Blair presumes the validity of the fluid-crystallized model throughout his article. Two comparative evaluations recently demonstrated that this presumption can be challenged. The fluid-crystallized model offers little to the understanding of the structural manifestation of general intelligence and other more specific abilities. It obscures important issues involving the distinction of pervasive learning disabilities (low general intelligence) from specific, content-related disabilities that impede the development of particular skills. (Published Online April 5 2006).

This chapter contains sections titled: Introduction Definition of Disability Causes of Intellectual Impairment Evolving Terminology for Intellectual Impairment The Bell Curve and IQ: Levels of Intellectual Disability Cognitive Developmental Thresholds Intellectual Disability and the Brain: Fluid and Crystallized Intelligence Neuroplasticity in Brain Development Developmental Perspective on Intellectual Disability: Cognitive Developmental Thresholds Moral Development Implications of Recognizing Personhood and Autonomy Participation in Research Summary References.

We meta-analytically investigated relations between the four-branch model of ability emotional intelligence with fluid and crystallized intelligence. We found that for each branch, the strength of relations with Gf and Gc were equivalent. Understanding emotions has the strongest relation with Gf/Gc combined, relative to facilitating thought using emotion, managing emotions, and perceiving emotion ; for the latter, relations were also moderated by stimulus type. We conclude with implications and recommendations for the study of ability EI.

General intelligence is largely based on two distinguishable mental abilities: crystallized intelligence (gC) and fluid reasoning ability (gF). The target article authors' P-FIT model emphasizes a network of regions throughout the brain as the neural basis for fluid reasoning and/or working memory. However, it provides little significant insight into the neural basis of gC, or how or why gC is more stable than gF across the life span.

The question of whether fluid intelligence can be differentiated from general intelligence in older adults is addressed. Data indicate that the developmental pattern of performance on fluid tasks differs from the pattern of general intelligence. These results suggest that it is important to identify changes in fluid cognitive functions associated with frontal lobe decline, as they may be early indicators of cognitive decline. (Published Online April 5 2006).

In this essay, I home in on the difficulties with group-to-individual (G2i) inferences in neuroscience and how they impact the legal system. I briefly outline how cognitive shortcutting can distort legal decisions, and then turn my attention to G2i inferences, with a special focus on issues of intellectual disability and brain damage. I argue that judges and juries are not situated to appreciate the nuances in brain data and that they are required to make clinical decisions (...) without clinical training. As a result, they effectively ignore those responsibilities and simply decide cases in virtue of what they already believe to be true. How judges actually make decisions in highstakes criminal cases is troubling, but they are also hamstrung in a variety of ways. (shrink)

This target article considers the relation of fluid cognitive functioning to general intelligence. A neurobiological model differentiating working memory/executive function cognitive processes of the prefrontal cortex from aspects of psychometrically defined general intelligence is presented. Work examining the rise in mean intelligence-test performance between normative cohorts, the neuropsychology and neuroscience of cognitive function in typically and atypically developing human populations, and stress, brain development, and corticolimbic connectivity in human and nonhuman animal models is reviewed and (...) found to provide evidence of mechanisms through which early experience affects the development of an aspect of cognition closely related to, but distinct from, general intelligence. Particular emphasis is placed on the role of emotion in fluid cognition and on research indicating fluid cognitive deficits associated with early hippocampal pathology and with dysregulation of the hypothalamic-pituitary-adrenal axis stress-response system. Findings are seen to be consistent with the idea of an independent fluid cognitive construct and to assist with the interpretation of findings from the study of early compensatory education for children facing psychosocial adversity and from behavior genetic research on intelligence. It is concluded that ongoing development of neurobiologically grounded measures of fluid cognitive skills appropriate for young children will play a key role in understanding early mental development and the adaptive success to which it is related, particularly for young children facing social and economic disadvantage. Specifically, in the evaluation of the efficacy of compensatory education efforts such as Head Start and the readiness for school of children from diverse backgrounds, it is important to distinguish fluid cognition from psychometrically defined general intelligence. (Published Online April 5 2006) Key Words: cognition; cognition-emotion reciprocity; developmental disorders; emotion; fluid cognition; Flynn effect; general intelligence; limbic system; neuroscience; phenylketonuria; prefrontal cortex; psychometrics; schizophrenia. (shrink)

Suppose it is 2025 and being a technophile, you purchase brain enhancements as they become readily available. First, you add a mobile internet connection to your retina, then, you enhance your working memory by adding neural circuitry. You are now officially a cyborg. Now skip ahead to 2040. Through nanotechnological therapies and enhancements you are able to extend your lifespan, and as the years progress, you continue to accumulate more far-reaching enhancements. By 2060, after several small but cumulatively profound (...) alterations, you are a “posthuman.” To quote philosopher Nick Bostrom, posthumans are possible future beings, “whose basic capacities so radically exceed those of present humans as to be no longer unambiguously human by our current standards” (Bostrom 2003c). At this point, your intelligence is enhanced not just in terms of speed of mental processing; you are now able to make rich connections that you were not able to make before. Unenhanced humans, or “naturals,” seem to you to be intellectually disabled—you have little in common with them—but as a transhumanist, you are supportive of their right to not enhance (Bostrom 2003c; Garreau 2005; Kurzweil 2005). (shrink)

Born in Vienna in 1864, Bernard Hollander was a London-based psychiatrist. He is best known for being one of the main proponents of phrenology. This title originally published in 1931 looks at the different regions of the brain and their various functions in relation to intelligence. From the preface: "The records of cases collected by the author, including some of his own, point to there being at least three main regions of totally different functions…. Of these three regions, (...) the frontal is by far the largest in man and the most important, being the region for the manifestation of the highest intellectual abilities." Back in print this is a chance to read all about the study of the brain, mind and external signs of intelligence from the early twentieth century. (shrink)

Blair equates the constructs of working memory (WM), executive function, and general fluid intelligence (gF). We argue that there is good reason not to equate these constructs. We view WM and gF as separable but highly related, and suggest that the mechanism behind the relationship is controlled attention – an ability that is dependent on normal functioning of the prefrontal cortex. (Published Online April 5 2006).

A History of Intelligence and “Intellectual Disability” examines how the concepts of intellectual ability and disability became part of psychology, medicine and biology. Focusing on the period between the Protestant Reform and 1700, this book shows that in many cases it has been accepted without scientific and psychological foundations that intelligence and disability describe natural or trans-historical realities.

I propose a neuroscience and animat research-inspired model and a thought experiment to test the hypothesis of a developmental relation between fluid and crystallized intelligence. I propose that crystallized intelligence is the result of well-defined activities and structures, whereas fluid intelligence is the physiological catalytic adaptation mechanism responsible for coordinating and regulating the crystallized structures. We can design experiments to reproduce exemplified normal and anomalous phenomena, especially disorders, and study possible cognitive treatments. (...) (Published Online April 5 2006). (shrink)

Can the intellect or the intellectual faculty be its own object of thought, or can it not think or apprehend itself? This book explores the ancient treatments of the question of self-intellection - an important theme in ancient epistemology and of considerable interest to later philosophical thought. The manner in which the ancients dealt with the intellect apprehending itself, took them into both the metaphysical and epistemological domains with reflections on questions of thinking, identity and causality. Ian Crystal traces (...) the origins from which the concept of self-intellection springs, by examining Plato's account of the epistemic subject and the emergence of self-intellection through the Aristotelian account, before the final part of the book explores the problem of how the intellect apprehends itself, and its resolution including Plotinus' reformulation and the dilemma raised by Sextus Empiricus. Crystal concludes that Plotinus recasts the metaphysical structures of Plato and Aristotle in such a way that he casts the concept of self-intellection in an entirely new light and offers a solution to the problem. (shrink)

In this paper, I argue that Plotinus offers us a new and interesting account of self-intellection. It is an account which is informed to some extent by a dilemma that Sextus Empiricus raised about the intellect being to apprehend itself. The significance of Sextus' dilemma is that it sets out the framework within which such a cognitive activity is to be dealt with, namely the intellect must apprehend itself qua part or qua whole, both of which according to him are (...) impossible. Plotinus, I think, successfully gets around this dilemma and is able to explain how the intellect can think itself qua whole. In the process of doing so, he offers an account of self-intellection in which the thinking subject or thinker becomes active in terms of generating its intellectual content, namely itself; a move which is a break from the traditional Platonic/Aristotelian account of the intellect. The paper itself is set up as follows. I start by mentioning the dilemma which Sextus raises about self-intellection. Then I attempt, through an analysis of the noetic intellect's structure, to show how Plotinus is able to offer an account of self-intellection in terms of whole apprehending whole. I conclude with Plotinus' analysis of the light analogy as a means of explaining how this intellectual process works. (shrink)

The brain–computer interface (BCI) has made remarkable progress in the bridging the divide between the brain and the external environment to assist persons with severe disabilities caused by brain impairments. There is also continuing philosophical interest in BCIs which emerges from thoughtful reflection on computers, machines, and artificial intelligence. This article seeks to apply BCI perspectives to examine, challenge, and work towards a possible resolution to a persistent problem in the mind–body relationship, namely dualism. The original (...) humanitarian goals of BCIs and the technological inventiveness result in BCIs being surprisingly useful. We begin from the neurologically impaired person, the problems encountered, and some pioneering responses from computers and machines. Secondly, the interface of mind and brain is explored via two points of clarification: direct and indirect BCIs, and the nature of thoughts. Thirdly, dualism is beset by mind–body interaction difficulties and is further questioned by the phenomena of intentions, interactions, and technology. Fourthly, animal minds and robots are explored in BCI settings again with relevance for dualism. After a brief look at other BCIs, we conclude by outlining a future BCI philosophy of brain and mind, which might appear ominous and could be possible. (shrink)

BackgroundAs moral case deliberations (MCDs) have increasingly been implemented in health care institutions as a form of ethics support, it is relevant to know whether and how MCDs actually contribute to positive changes in care. Insight is needed on what actually happens in daily care practice following MCD sessions. This study aimed at investigating the impact of MCD and exploring how ‘impact of MCD’ should be conceptualized for future research.MethodsA multiple-case study was conducted in a care organization for people with (...) intellectual disabilities and/or acquired brain injury, by observing MCD sessions as ‘cases’, followed by interviews with health care professionals concerning the follow-up to these cases, and a focus group with involved MCD facilitators. A conceptual scheme concerning the possible impact formed the basis for analysis: (1) individual moral awareness; (2) the actions of health care professionals; (3) collaboration among health care professionals; (4) the concrete situation of the client; (5) the client’s quality of care and life; (6) the organizational and policy level.ResultsAccording to interviewees, their moral awareness and their collaboration, both among colleagues and with clients’ relatives, improved after MCD. Perceived impact on client situation, quality of care/life and the organizational level varied among interviewees or was difficult to define or link to MCD. Three aspects were added to the conceptual scheme concerning the impact of MCD: (a) preparations and expectations prior to the MCD session; (b) a translational step between the conclusions of the MCD session and practical events in the following period, and (c) collaboration with clients’ relatives. A negative impact of MCD was also found on misunderstandings among participants and disappointment about lack of follow-up.ConclusionsConcretizing and conceptualizing the ‘impact’ of MCD is complicated as many factors play a role either before or during the transition from MCD to practice. It is important to consider ‘impact’ in a broad sense and to relate it to the goals and context of the MCD in question. Future studies in this field should pay additional attention to the preparations, content and process involved in ethics support, including clients’ and relatives’ experiences. (shrink)

This article discusses the experience of an Icelandic woman with intellectual disabilities who was sterilized and how she has dealt with it. It also reflects on some ethical and methodological issues that arise during inclusive life history research. The article is based on cooperation between two women, Eygló Ebba Hreinsdóttir, who was labelled with intellectual disabilities when she moved to an institution in Iceland in the 1970s, and the researcher Gu?rún V. Stefánsdóttir. Since 2003 we have worked closely (...) together on an inclusive life history project. The article is based on a recorded conversation between Ebba and Gudrun and the work of the Icelandic women's history group in which both participated for three years. Ebba was sterilized when she was 14 years old but didn't know about the sterilization until she was 27. The article describes the deep emotional impact and how she came to terms with it. (shrink)

Many inherited metabolic diseases may lead to varying degrees of brain damage and thus also to intellectual disability. Bone marrow transplantation (BMT) has been used for over two decades as a form of secondary prevention to stop or reverse the progress of the disease process in some of these conditions. At the population level the impact of BMT on the prevalence of intellectual disability is minute, but at the individual level its impact on the prognosis (...) of the disease and the well-being of the patient can be substantial. The dark side of BMT use is the burden of side effects, complications and transplantation-related mortality in less successful cases. The ethical issues involved in this therapy are discussed in this review. (shrink)

Abstract: Many believe that, in addition to cognitive capacities, autonomous robots need something similar to affect. As in humans, affect, including specific emotions, would filter robot experience based on a set of goals, values, and interests. This narrows behavioral options and avoids combinatorial explosion or regress problems that challenge purely cognitive assessments in a continuously changing experiential field. Adding human-like affect to robots is not straightforward, however. Affect in organisms is an aspect of evolved biological systems, from the taxes of (...) single-cell organisms to the instincts, drives, feelings, moods, and emotions that focus human behavior through the mediation of hormones, pheromones, neurotransmitters, the autonomic nervous system, and key brain structures. We argue that human intelligence is intimately linked to biological affective systems and to the unique repertoire of potential behaviors, sometimes conflicting, they facilitate. Artificial affect is affect in name only and without genes and biological bodies, autonomous robots will lack the goals, interests, and value systems associated with human intelligence. We will take advantage of their general intelligence and expertise, but robots will not enter our intellectual world or apply for legal status in the community. -/- . (shrink)

Leading researchers describe the field of special education as sharply divided between two different theories of disability. In this article Scot Danforth takes as his project addressing that division from the perspective of a Deweyan philosophy of the education of students with intellectual disabilities. In 1922, John Dewey authored two articles in New Republic that criticized the use of intelligence tests as both undemocratic and impractical in meeting the needs of teachers. Drawing from these two articles and (...) a variety of Dewey’s other works, Danforth puts forward a Deweyan educational theory of intellectual disability. This theory is perhaps encapsulated in Dewey’s observation that “The democratic faith in human equality is belief that every human being, independent of the quantity or range of his personal endowment, has the right to equal opportunity with every other person for development of whatever gifts he has.”1. (shrink)

Euthanasia and assisted suicide have been legally possible in the Netherlands since 2001, provided that statutory due care criteria are met, including: voluntary and well-considered request; unbearable suffering without prospect of improvement; informing the patient; lack of a reasonable alternative; independent second physician’s opinion. ‘Unbearable suffering’ must have a medical basis, either somatic or psychiatric, but there is no requirement of limited life expectancy. All EAS cases must be reported and are scrutinised by regional review committees. The purpose of this (...) study was to investigate whether any particular difficulties arise when the EAS due care criteria are applied to patients with an intellectual disability and/or autism spectrum disorder. The 416 case summaries available on the RTE website were searched for intellectual disability and autism spectrum disorder. Direct content analysis was used on these nine cases. Assessment of decisional capacity was mentioned in eight cases, but few details given; in two cases, there had been uncertainty or disagreement about capacity. Two patients had progressive somatic conditions. For most, suffering was due to an inability to cope with changing circumstances or increasing dependency; in several cases, suffering was described in terms of characteristics of living with an autism spectrum disorder, rather than an acquired medical condition. Some physicians struggled to understand the patient’s perspective. Treatment refusal was a common theme, leading physicians to conclude that EAS was the only remaining option. There was a lack of detail on social circumstances and how patients were informed about their prognosis. Autonomy and decisional capacity are highly complex for patients with intellectual disabilities and difficult to assess; capacity tests in these cases did not appear sufficiently stringent. Assessment of suffering is particularly difficult for patients who have experienced life-long disability. The sometimes brief time frames and limited number of physician-patient meetings may not be sufficient to make a decision as serious as EAS. The Dutch EAS due care criteria are not easily applied to people with intellectual disabilities and/or autism spectrum disorder, and do not appear to act as adequate safeguards. (shrink)

Plato held that the Agathon (Being itself in its font) is the source or ‘common cause’ both of being(s) and of our understanding, both of the world (cosmos) and of our intellectual grasp thereof, both of the world beyond us (objectivity) that yet includes us and of the world of our inner thoughts (subjectivity) that yet stretches out to embrace the entire universe. This divine presupposition, found ‘philosophically’ in Plato and ‘religiously’ in Augustine’s doctrine of divine illumination, is that (...) God is the common cause of us and our world, for both are held within the same divine/cosmic embrace, by the same Spirit operating within us and beyond us. This leads us to a ‘hand-in-its-glove’ or ‘mind-in-its-world’ proportionate realism that avoids the epistemological defects of Kant’s transcendental realism and Bhaskar’s critical realism. Finally, we should regard knowing by acquaintance as paradigmatic, as the fundamental form of knowing in terms of which the other types are best approached and understood. There is, I suggest, an important sense in which ‘all knowing is knowing in the biblical sense.’. (shrink)

Blair's assertion that fluid intelligence (gF) is distinct from general intelligence (g) is contradictory to cumulative evidence from intelligence research, including extant and novel evidence about generational IQ gains (Lynn–Flynn effect). Because of the near unity of gF and g, his hypothetical concept of gF' (gF “purged” of g variance) may well be a phlogiston theory. (Published Online April 5 2006).

In lieu of an abstract, here is a brief excerpt of the content:The Road to Understanding and Acceptance of the Late Effects of Pediatric Brain Tumors and TreatmentJeanne CarlsonWe had little warning or time to adjust to our daughter’s diagnosis. A call from her third grade teacher reporting that Sarah seemed to be having vision problems rapidly led to eye exams, an MRI, and the discovery of a Germinoma brain tumor in the suprastellar region of Sarah’s brain. (...) We were terrified but began treatment feeling optimistic about the outlook for Sarah’s recovery. Luckily, Sarah’s treatment was relatively non–invasive and quick, chemotherapy and radiation, five months start to finish. We were thrilled to have Sarah’s treatment behind us.As any parent of a child with a life–threatening illness knows, family life is seriously disrupted by the countless doctor, lab, and hospital visits, the worry, and the financial strain that are suddenly added to the demands of everyday life. We did our best to balance our focus on both of our children as Sarah is a twin and we didn’t want her brother Will to suffer as a result of his sister’s illness. It wasn’t easy but we found a way to schedule Will’s usual play dates, baseball practice, and family time. We were all happy and relieved when Sarah’s treatment was completed, yet we would later learn that we had been incredibly naïve in two ways; we thought that our brain tumor journey was over after Sarah’s treatment was completed and we thought that we’d brought Will through the process without effect. We had a lot to learn.At the time of diagnosis we knew that Sarah’s memory and ability to express emotion had already been impacted by the tumor but we didn’t yet know what that would mean to her quality of life. We were virtually unaware however that at age nine the chemotherapy and radiation treatments that Sarah received would result in profound late effects. Following treatment Sarah successfully completed 3rd grade and even received excellent STAR test scores (California state standardized tests). In 4th grade however, Sarah’s performance began to diverge from that of her peers and she found herself struggling in school and unable to make friends. We began looking for ways to help our daughter.What followed was a five year long journey through testing, evaluations, individualized education plans (IEPs), and therapies, which, in the end, left our family needing to accept the fact that although Sarah remains intelligent and artistically talented, she suffers from a constellation of late effects that will always affect her ability to function in the world. As a result of Sarah’s tumor and treatment she struggles with Auditory Processing Disorder, word finding problems, poor executive function, inability to recognize how she feels, significant difficulty making decisions, inability to read social cues, poor memory, slow processing, an emotional age of about nine, and lots of anxiety. She is also panhypopituitary, meaning that she has no remaining pituitary function and must take replacement medications by pill and injection, has hypothalamic obesity (HO), which is primarily controlled by more medication, and Raynaud’s Disease. The HO is an ongoing challenge because if Sarah does gain weight she can’t lose it again and exercise is not an easy solution because, like many pediatric brain tumor survivors, Sarah is easily fatigued. Finally, although Sarah’s vision improved after treatment her vision loss is significant enough to prevent her from driving. We pieced together this understanding of Sarah’s challenges and disabilities slowly so it wasn’t until the end of our children’s middle school years that we finally accepted the magnitude of the damage caused by the tumor and treatment. Thereafter we changed our focus from what Sarah might achieve in life to how to support [End Page 21] her in the activities at which she still excels and how to keep her active, interested in life, and feeling good about herself.It would have been a huge gift if we had been provided with information about the possible late effects that can result from treating the brain of a 9–year–old... (shrink)

Human fluid intelligence is closely linked to the sequential solving of complex problems. It has been associated with a distributed cognitive control or multiple-demand network, comprising regions of lateral frontal, insular, dorsomedial frontal, and parietal cortex. Previous neuroimaging research suggests that the MD network may orchestrate the allocation of attentional resources to individual parts of a complex task: in a complex target detection task with multiple independent rules, applied one at a time, reduced response to rule-critical events across (...) the MD network in lower fluid intelligence was observed. This was in particular the case with increasing task complexity, and was accompanied by impairment in performance. Here, we examined the early spatiotemporal neural dynamics of this process in electroencephalography source analyses using a similar task paradigm. Levels of fluid intelligence specifically predicted early neural responses in a left inferiorparietal MD region around 200–300 ms post stimulus onset. Evoked source amplitudes in left parietal cortex within this early time window also correlated with behavioural performance measures. Like in previous research, we observed impaired performance in lower fluid intelligence with increasing number of task rules. This links fluid intelligence to a process of attentional focus on those parts of a task that are most critical for the current behaviour. Within the MD system, our time re-resolved measures suggest that the left parietal cortex specifically impacts on early processes of attentional focus on task critical features. This is novel evidence on the neurocognitive correlates of fluid intelligence suggesting that individual differences are critically linked to an early process of attentional focus on task-relevant information, which is supported by left parietal MD regions. (shrink)

This paper focuses on a hypothetical case that represents an intervention request familiar to those who work with individuals with intellectual disability. Stacy has autism and moderate intellectual disability. Her parents have requested treatment for her hand flapping. Stacy is not competent to make her own treatment decisions; proxy consent is required. There are three primary justifications for proxy consent: the right to an open future, substituted judgment, and the best interest standard. The right to an (...) open future justifies proxy consent on the assumption of future autonomy whereas substituted judgment justifies proxy consent via reference to past autonomy. Neither applies. Stacy has not been, nor will she be, competent to make her own treatment decisions. The best interest standard justifies proxy consent on the grounds of beneficence. It is unlikely that hand flapping harms Stacy. None of the three primary means of justifying proxy consent apply to Stacy’s case. (shrink)

Japanese bioethics has created a variety of important ideas that have not yet been reflected on mainstream bioethics discourses in the English-speaking world, which include “the swaying of the confused self” in the field of feminism, “inner eugenic thought” concerning disability, and “human relationship-oriented approaches to brain death.” In this paper, I will examine them more closely, and consider what bioethics in Japan can contribute to the development of an international discussion on philosophy of life.

Although working memory capacity and executive function contribute to human intelligence, we question whether there is an equivalence between them and fluid intelligence. We contend that any satisfactory neurobiological explanation of fluid intelligence needs to include abstraction as an important computational component of brain processing. (Published Online April 5 2006).

This article engages with debates concerning the moral worth of human beings with profound intellectual and multiple disabilities (PIMDs). Some argue that those with such disabilities are morally less valuable than so-called normal human beings, whereas others argue that all human beings have equal moral value and so each group of humans ought to be treated with equal concern. We will argue in favor of a reconciliatory view that takes points from opposing camps in the debates about the moral (...) worth of humans with PIMDs. The view in question, roughly, is this: most humans with PIMDs are persons in the morally significant sense and so deserve equal moral consideration to so-called normal human beings. Some humans with PIMD may not, however, be persons, but nevertheless deserve equal moral consideration to persons because they stand in a special relation to persons. (shrink)

Intellectual disabilities make people vulnerable to marginalization in churches and social spaces, but theology has not sufficiently attended to the topic and promoted the flourishing of people who have cognitive impairments. This article responds to theology's inadequate attention to intellectual disability and historical resources for reflection on the topic by reading medieval sources with intellectual disability in mind. I argue that Bonaventure's Itinerarium Mentis in Deum provides a model for imagining intellectually disabled and nondisabled people (...) sharing the journey into God and that Eckhart's view of intellect as the uncreated element in the soul includes people who are intellectually disabled among those who may be united with God. (shrink)

A scholarly examination of the centrality of the mind-body problem within and across the science of cognition--from philosophy to psychology to artificial intelligence to neural science. Conceptions of the mind-body problem range from the heritage of Cartesianism to the identification of the circumscribed brain structures responsible for domain specific cognitive mechanisms. Neither narrowly technical nor philosophically vague, this is a structured and detailed account of advancing intellectual developments in theory, research, and knowledge illumined by the conceptual vicissitudes (...) of the mind-body problem. This unique treatment will be of special interest to creative scholars in the disciplines of he sciences of cognition. (shrink)

Blair proposes that fluid intelligence, working memory, and executive function form a unitary construct: fluid cognition. Recently, our group has utilized a combined correlational–experimental cognitive neuroscience approach, which we argue is beneficial for investigating relationships among these individual differences in terms of neural mechanisms underlying them. Our data do not completely support Blair's strong position. (Published Online April 5 2006).

From the stance of cognitive developmental theories, claims that general g is an entity of the mind are compatible with notions about domain-general development and age-invariant individual differences. Whether executive function is equated with general g or fluid g, research into the mechanisms by which development occurs is essential to elucidate the kinds of environmental inputs that engender effective intervention. (Published Online April 5 2006).

Ontologies formally represent reality in a way that limits ambiguity and facilitates automated reasoning and data fusion, but is often daunting to the non-technical user. Thus, many researchers have endeavored to hide the formal syntax and semantics of ontologies behind the constructs of Controlled Natural Languages (CNLs), which retain the formal properties of ontologies while simultaneously presenting that information in a comprehensible natural language format. In this paper, we build upon previous work in this field by evaluating prospects of implementing (...) International Technology Alliance Controlled English (ITACE) as a middleware for ontology editing. We also discuss at length a prototype of a natural language conversational interface application designed to facilitate ontology editing via the formulation of CNL constructs. (shrink)

Drawing on the built environment concept of “inclusive design” and its emphasis on creating accessible environments for all persons regardless of ability, I suggest that a central task for feminist disability theory is to redesign foundational philosophical concepts to present opportunities rather than barriers to inclusion for people with disability. Accounts of autonomy within liberal philosophy stress self-determination and the dignity of all individual persons, but have excluded people with intellectual disability from moral and political theories (...) by denying their capacity for individual autonomy, seen as a chief marker of moral personhood. This paper modifies and extends feminist theories of relational autonomy by arguing for the need to view autonomy as a feature of persons that is manifested only through relations of support, advocacy, and enablement. An “inclusively designed,” relational account negotiates the tensions encountered in attempts to apply autonomy to people with high support needs, and politicizes the concept as an advocacy tool for people with intellectual disability and their allies. (shrink)

This chapter asks what stance is morally appropriate as we consider when, whether, and how to assist persons experiencing physical, emotional, or intellectual disability. Appealing to a variety of intelligent and observant thinkers for inspiration (Ralph Barton Perry, Helen Keller, and Immanuel Kant), it argues that one important aspect of such a stance is an attitude of reciprocal beneficence. This has three central aspects: a perspective of fellowship acknowledging the disabled and the currently able as members of the (...) community of vulnerable human agents; a developed sympathy attuned to gaps in knowledge and failures of imagination and analogy; and a readiness to show gratitude or appreciation for what the currently disabled may teach about the vulnerable moral agency we share. The argument takes initial inspiration from Perry but owes most to its roots in Kantian moral and political theory. It also owes much to wise and insightful enrichments due to Keller. (shrink)

Differing findings exist on how Defining Issues Test (DIT) scores relate to intelligence. Further study is needed in order to address aspects of intellect not previously considered and to address how these relationships rival studies that have compared indices of intellect with constructs similar to DIT scores. In the present study, a sample of 117 participants completed the DIT and the Kaufman Adolescent and Adult Intelligence Test (KAIT), which assesses crystallised and fluid intelligence. Structural equation modelling (...) offered supporting evidence that these measurements represent separate sources of information. Statistically significant paths from KAIT crystallised indices to DIT scores were seen, though there was much overlap. Negligible paths were seen from KAIT fluid indices to DIT scores in the sample overall though this relationship strengthens when advanced moral judgement development is considered. Thus, the present study affirms the DIT's construct validity and illustrates how crystallised and fluid intellectual abilities pertain to DIT scores. (shrink)

While rapid advances in artificial intelligence hiring tools promise to transform the workplace, these algorithms risk exacerbating existing biases against marginalized groups. In light of these ethical issues, AI vendors have sought to translate normative concepts such as fairness into measurable, mathematical criteria that can be optimized for. However, questions of disability and access often are omitted from these ongoing discussions about algorithmic bias. In this paper, I argue that the multiplicity of different kinds and intensities of people’s (...) disabilities and the fluid, contextual ways in which they manifest point to the limits of algorithmic fairness initiatives. In particular, existing de-biasing measures tend to flatten variance within and among disabled people and abstract away information in ways that reinforce pathologization. While fair machine learning methods can help mitigate certain disparities, I argue that fairness alone is insufficient to secure accessible, inclusive AI. I then outline a disability justice approach, which provides a framework for centering disabled people’s experiences and attending to the structures and norms that underpin algorithmic bias. (shrink)

The dissociation of fluid cognitive functions from g is implicit in the Cattell-Horn-Carroll gF-gC theory. Nevertheless, Blair is right that fluid functions are extremely important. I suggest that the key mental operation assessed by measures of gF is the ability to sustain mental simulation while keeping the relevant representations decoupled from the actual world – an ability that underlies all hypothetical thinking. (Published Online April 5 2006).

The mere difference view, endorsed by some philosophers and Christian scholars, claims that disability by itself does not make a person worse off on balance—any negative impacts on overall welfare are due to social injustice. This article defends the bad difference view—some disability is bad not simply because of social arrangements but because of biological deficits that, by themselves, make a person worse off. It argues that the mere difference view contradicts core doctrines of Christian faith. The analysis (...) focuses on intellectual rather than physical or sensory disabilities. (shrink)

The mere difference view, endorsed by some philosophers and Christian scholars, claims that disability by itself does not make a person worse off on balance—any negative impacts on overall welfare are due to social injustice. This article defends the bad difference view—some disability is bad not simply because of social arrangements but because of biological deficits that, by themselves, make a person worse off. It argues that the mere difference view contradicts core doctrines of Christian faith. The analysis (...) focuses on intellectual rather than physical or sensory disabilities. (shrink)

This paper offers an overview of the prospects and ethics of using AI to achieve human enhancement, and more broadly what we call intellectual augmentation (IA). After explaining the central notions of human enhancement, IA, and AI, we discuss the state of the art in terms of the main technologies for IA, with or without brain-computer interfaces. Given this picture, we discuss potential ethical problems, namely inadequate performance, safety, coercion and manipulation, privacy, cognitive liberty, authenticity, and fairness in (...) more detail. We conclude that while there are very significant technical hurdles to real human enhancement through AI, and significant ethical problems, there are also significant benefits that may realistically be achieved in ways that are consonant with a rights-based ethics as well. We also highlight the specific concerns that apply particularly to applications of AI for "sheer" IA (more realistic in the near term), and to enhancement applications, respectively. (shrink)