We characterize the category of Sambin’s positive topologies as the result of the Grothendieck construction applied to a doctrine over the category Loc of locales. We then construct an adjunction between the category of positive topologies and that of topological spaces Top, and show that the well-known adjunction between Top and Loc factors through the constructed adjunction.

We characterize the category of Sambin’s positive topologies as the result of the Grothendieck construction applied to a doctrine over the category Loc of locales. We then construct an adjunction between the category of positive topologies and that of topological spaces Top, and show that the well-known adjunction between Top and Loc factors through the constructed adjunction.

In this paper, I will argue that there is a version of possibilism—inspired by the modal analogue of Kit Fine’s fragmentalism—that can be combined with a weakening of actualism. The reasons for analysing this view, which I call Modal Fragmentalism, are twofold. Firstly, it can enrich our understanding of the actualism/possibilism divide, by showing that, at least in principle, the adoption of possibilia does not correspond to an outright rejection of the actualist intuitions. Secondly, and more specifically, it can enrich (...) our understanding of concretism, by proving that, at least in principle, the idea that objects have properties in an absolute manner is compatible with transworld identity. (shrink)

Moving from a behavioral definition of intelligence, which describes it as the ability to adapt to the surrounding environment and deal effectively with new situations (Anastasi, 1986), this paper explains to what extent the performance obtained by ChatGPT in the linguistic domain can be considered as intelligent behavior and to what extent they cannot. It also explains in what sense the hypothesis of decoupling between cognitive and problem-solving abilities, proposed by Floridi (2017) and Floridi and Chiriatti (2020) should be interpreted. (...) The problem of symbolic grounding (Harnad, 1990) is then addressed to show the problematic relationship between ChatGPT and the natural environment, and thus the impossibility for it to understand the symbols it manipulates. To explain the reasons why ChatGPT does not succeed in this task, an investigation is carried out and a possible solution to the problem in the artificial domain is proposed by making a comparison with the natural ability of living beings to ground their own meanings from some basic cognitive-sensory aspects, which, it is explained, are directly related to the emergence of self-awareness in humans. Thus, the question is raised whether a possible and concrete solution to the Symbol Grounding Problem would involve in the artificial domain the development of cognitive abilities fully comparable to those of humans. Finally, I explain the difficulties that would have to be overcome before such a level could be reached, since human cognitive capacities are intimately linked to intersubjectivity and intercorporeality. (shrink)

The guise of the good is the thesis that an agent can only want, or intentionally do or pursue something, if and because this seems good to the agent in some respect or other. Bernard Williams criticizes the guise of the good in Ethics and the Limits of Philosophy. In this paper I reconstruct and assess his hitherto unnoticed critical remarks. Williams's opposition is based on the idea that it takes an “extra step” to go from desiring or pursuing something (...) to thinking of it as good. To show this, he employs an argument from elimination (with two strands: an argument from personal ends and an argument from immediate ends), and a separate argument which I call the one‐desire argument. I review and reject two types of answers to Williams's objections: answers that explore different varieties of what it can mean to “think of as good,” and answers that focus on different varieties of goodness under the guise of which one can desire something. I then consider whether a different, but nearby thesis, namely the guise of normative reasons, can accommodate Williams's objections, concluding that this alternative also fails. I end by looking at how this debate might move forward. (shrink)

A counterpossible conditional is a counterfactual with an impossible antecedent. Common sense delivers the view that some such conditionals are true, and some are false. In recent publications, Timothy Williamson has defended the view that all are true. In this paper we defend the common sense view against Williamson’s objections.

This paper examines the role and power of the state in modernity and its transformation throughout it and into the present. First, it recognizes the centrality of the role of information control for the modern state constitution, which allows sovereign power to extend to the national level. Secondly, it discusses the shift of state power from a purely informational power to an informational and bargaining power, as well as the gradual transformation of sovereignty into governmentality. Finally, it analyzes the transformations (...) that have led to a critical loss of both powers by the state and have enabled their acquisition by tech corporations. It examines the implications of this shift in power and the consequent disempowerment of the state, defining the mode of operation of the power embodied by tech corporations as a regime of performativity, rephrasing the Foucauldian regime of truth, which presided over the ways in which governmental power was performed. Such a regime bases its power not on the ability to order discourse and knowledge, but on the ability to automate it, and to predict and manipulate human behaviors. In this way, it has disintermediated not only the state in its role as the primary informational agent, but also, to some extent, the ability of individuals to assert rights through their actions. (shrink)

The development of manufacturing technologies for new materials involves the generation of a large and continually evolving volume of information. The analysis, integration and management of such large volumes of data, typically stored in multiple independently developed databases, creates significant challenges for practitioners. There is a critical need especially for open-sharing of data pertaining to engineering design which together with effective decision support tools can enable innovation. We believe that ontology applied to engineering (OE) represents a viable strategy for the (...) alignment, reconciliation and integration of diverse and disparate data. The scope of OE includes: consistent capture of knowledge pertaining to the types of entities involved; facilitation of cooperation among diverse group of experts; more effective ongoing curation, and update of manufacturing data; collaborative design and knowledge reuse. As an illustrative case study we propose an ontology focused on the representation of composite materials focusing in particular on the class of Functionally Graded Materials (FGM) in particular. The scope of the ontology is to provide information about the components of such materials, the manufacturing processes involved in creation, and diversity of application ranging from additive manufacturing to restorative dentistry. The ontology is developed using Basic Formal Ontology (BFO) and the Ontology for Biomedical Investigations (OBI). (shrink)

The guise of the good is the claim that whatever I desire or intentionally do is seen by me as good in some respect. Historical scholarship has so far predominantly focused on ancient and medieval...

Mind wandering is typically operationalized as task-unrelated thought. Some argue for the need to distinguish between unintentional and intentional mind wandering, where an agent voluntarily shifts attention from task-related to task-unrelated thoughts. We reveal an inconsistency between the standard, task-unrelated thought definition of mind wandering and the occurrence of intentional mind wandering (together with plausible assumptions about tasks and intentions). This suggests that either the standard definition of mind wandering should be rejected or that intentional mind wandering is an incoherent (...) category. Solving this puzzle is critical for advancing theoretical frameworks of mind wandering. (shrink)

We sometimes fail unwittingly to do things that we ought to do. And we are, from time to time, culpable for these unwitting omissions. We provide an outline of a theory of responsibility for unwitting omissions. We emphasize two distinctive ideas: (i) many unwitting omissions can be understood as failures of appropriate vigilance, and; (ii) the sort of self-control implicated in these failures of appropriate vigilance is valuable. We argue that the norms that govern vigilance and the value of self-control (...) explain culpability for unwitting omissions. (shrink)

Each volume of this series of companions to major philosophers contains specially commissioned essays by an international team of scholars and will serve as a reference work for students and nonspecialists. John Rawls is the most significant and influential philosopher and moral philosopher of the twentieth century. His work has profoundly shaped contemporary discussions of social, political and economic justice in philosophy, law, political science, economics and other social disciplines. In this exciting collection of new essays, many of the world's (...) leading political and moral theorists discuss the full range of Rawls's contribution to the concepts of political and economic justice, democracy, liberalism, constitutionalism, and international justice. There are also assessments of Rawls's controversial relationships with feminism, utilitarianism and communitarianism. New readers will find this the most accessible guide to Rawls currently available. Advanced students and specialists will find a conspectus of recent developments in the interpretation of Rawls. (shrink)

In this anthology, distinguished scholars--Thomas Nagel, T.M. Scanlon, John Rawls, Robert Nozick, Samuela Scheffler, Conrad D. Johnson, Bernard Williams, Peter Railton, Amartya Sen, Philippa Foot, and Derek Parfit-- debate arguments for and against the moral doctrine of consequentialism to present a complete view of this important topic in moral philosophy.

Gils-Schmidt and Salloch recognise that human and climate health are inextricably linked, and that mitigating healthcare-associated climate harms is essential for protecting human health.1 They argue that physicians have a duty to consider how their own practices contribute to climate change, including during their interactions with patients. Acknowledging the potential for conflicts between this duty and the provision of individual patient care, they propose the application of Korsgaard’s neo-Kantian account of practical identities to help navigate such scenarios. In this commentary, (...) we argue that by focusing attention on this physician–patient level, the authors overlook the complexity of climate change, both within the healthcare sector and beyond. We recognise the importance of individual agency in tackling this issue, and we also recognise that the authors do briefly acknowledge the importance of considering these broader complexities; however, we emphasise the need for climate and health discussions/action to be situated in a wider framework of systemic change. Our concern is that overemphasis on patient-level interactions risks normalising the prioritisation of individual-level approaches to addressing climate change, detracting from such a broader approach. Physician training emphasises the need for trust, confidentiality and shared decision-making in the doctor–patient relationship. …. (shrink)

According to the doctrine of the guise of the good, all that is desired is seen by the subject as good to some extent. As a claim about action, the idea is that intentional action, or acting for a reason, is action that is seen as good by the agent. I explore the thesis' main attractions: it provides an account of intentional behavior as something that makes sense to the agent, it paves the way for various views in meta-ethics and (...) normative ethics, and it offers a unified account of practical and theoretical reason. In response to common objections, I examine points of current debate: what is it for something to appear as good? Is value or normative reasons the basic concept at work? How to explain akrasia, perversity in action, and expressive action? I conclude with an overview of alternatives to the guise of the good. (shrink)

P. Kyle Stanford defends the problem of unconceived alternatives, which maintains that scientists are unlikely to conceive of all the scientifically plausible alternatives to the theories they accept. Stanford’s argument has been criticized on the grounds that the failure of individual scientists to conceive of relevant alternatives does not entail the failure of science as a corporate body to do so. I consider two replies to this criticism and find both lacking. In the process, I argue that Stanford does not (...) provide evidence that there are likely scientifically plausible unconceived alternatives to scientific theories accepted now and in the future. (shrink)

This dissertation is an experiment: what happens if we treat proper names as anaphoric expressions on a par with pronouns? The first thing to notice is that a name's 'antecedent' can occur in a discourse prior to the one containing the name. An individual may be introduced and tagged with a name in one context, and then retrieved using the name in a later context. To allow for discourse crossing anaphora, in addition to the usual cross-sentential anaphora, a revision of (...) discourse semantics is in order. Essentially, we must countenance discourse referents that span contexts, and think of contexts, not as islands, but as nodes connected to each other by the discourse referents they share. Discourse semantics gives rise to a new notion of content determined by discourse reference rather than pure reference. In a space of contexts structured by shared discourse referents, discourse content becomes transmissable. For a piece of content may be sent from one context to another whenever the discourse referents bundled up in the content are held in common by the two contexts. The final step is to treat the cognitive state of an agent as just another kind of context, and so a potential recipient of discourse content. Discourse content is more fine-grained than traditional 'singular' content, and so is a better fit for our pretheoretic intuitions about communication and attitude reporting. This is illustrated by applying the theory to Frege's puzzle, a puzzle of Loar's about communication, Kripke's puzzle about belief, Geach's intentional identity and new breed of 'mixed' de re-de dicto sentence. (shrink)

The Humean view that conceivability entails possibility can be criticized via input from cognitive psychology. A mainstream view here has it that there are two candidate codings for mental representations (one of them being, according to some, reducible to the other): the linguistic and the pictorial, the difference between the two consisting in the degree of arbitrariness of the representation relation. If the conceivability of P at issue for Humeans involves the having of a linguistic mental representation, then it is (...) easy to show that we can conceive the impossible, for impossibilities can be represented by meaningful bits of language. If the conceivability of P amounts to the pictorial imaginability of a situation verifying P, then the question is whether the imagination at issue works purely qualitatively, that is, only by phenomenological resemblance with the imagined scenario. If so, the range of situations imaginable in this way is too limited to have a significant role in modal epistemology. If not, imagination will involve some arbitrary labeling component, which turns out to be sufficient for imagining the impossible. And if the relevant imagination is neither linguistic nor pictorial, Humeans will appear to resort to some representational magic, until they come up with a theory of a ‘third code’ for mental representations. (shrink)

The fitting attitude analysis of value states that for objects to have value is for them to be the fitting targets of attitudes. Good objects are the fitting targets of positive attitudes, while bad objects are the fitting targets of negative attitudes. The following paper presents an argument to the effect that value and the fittingness of attitudes differ in terms of their explanations. Whereas the fittingness of attitudes is explained, inter alia, by both the properties of attitudes and those (...) of their fitting targets, the explanation of value tends to have a different content. In particular, objects have value in virtue of the features that make them valuable, and these need not involve any attitudinal properties. If this is right, then there are reasons to doubt the claim that for objects to have value is just for them to be the fitting targets of attitudes. Insofar as value is a property, it appears to be distinct from the property of objects being the fitting targets of attitudes. (shrink)

In this paper I argue that Bykvist’s recent challenges to the fitting-attitude account of value (FA) can be successfully met. The challenge from solitary goods claims that FA cannot account for the value of states of affairs which necessarily rule out the presence of favouring subjects. I point out the modal reasons why FA can account for solitary goods by appealing to contemplative attitudes. Bykvist’s second challenge, the ‘distance problem’, questions the ability of FA to match facts about the intensity (...) of fitting attitudes and facts about value, particularly in the case of solitary goods. I argue that this challenge can be met by including the notion of a veil of ignorance in the formulation of FA, and understanding its role as bracketing the relevance of certain facts when determining the fittingness of attitudes to states of affairs. (shrink)

We present a theory of truth in fiction that improves on Lewis's [1978] ‘Analysis 2’ in two ways. First, we expand Lewis's possible worlds apparatus by adding non-normal or impossible worlds. Second, we model truth in fiction as belief revision via ideas from dynamic epistemic logic. We explain the major objections raised against Lewis's original view and show that our theory overcomes them.

One popular theory of moral responsibility locates responsible agency in exercises of control. These control-based theories often appeal to tracing to explain responsibility in cases where some agent is intuitively responsible for bringing about some outcome despite lacking direct control over that outcome’s obtaining. Some question whether control-based theories are committed to utilizing tracing to explain responsibility in certain cases. I argue that reflecting on certain kinds of negligence shows that tracing plays an ineliminable role in any adequate control-based theory (...) of responsibility. (shrink)

This article challenges the association between realist methodology and ideals of legitimacy. Many who seek a more “realistic” or “political” approach to political theory replace the familiar orientation towards a state of justice with a structurally similar orientation towards a state of legitimacy. As a result, they fail to provide more reliable practical guidance, and wrongly displace radical demands. Rather than orienting action towards any state of affairs, I suggest that a more practically useful approach to political theory would directly (...) address judgments, by comparing the concrete possibilities for action faced by real political actors. (shrink)

Confabulation is typically understood to be dysfunctional. But this understanding neglects the phenomenon’s potential benefits. In fact, we think that the benefits of non-clinical confabulation provide a better foundation for a general account of confabulation. In this paper, we start from these benefits to develop a social teleological account of confabulation. Central to our account is the idea that confabulation manifests a kind of willful ignorance. By understanding confabulation in this way, we can provide principled explanations for the difference between (...) clinical and non-clinical cases of confabulation and the extent to which confabulation is rational. (shrink)

_Framing effects_ concern the having of different attitudes towards logically or necessarily equivalent contents. Framing is of crucial importance for cognitive science, behavioral economics, decision theory, and the social sciences at large. We model a typical kind of framing, grounded in (i) the structural distinction between beliefs activated in working memory and beliefs left inactive in long term memory, and (ii) the topic- or subject matter-sensitivity of belief: a feature of propositional attitudes which is attracting growing research attention. We introduce (...) a class of models featuring (i) and (ii) to represent, and reason about, agents whose belief states can be subject to framing effects. We axiomatize a logic which we prove to be sound and complete with respect to the class. (shrink)

The controversy over the equivalence of continuous sedation until death (CSD) and physician-assisted suicide/euthanasia (PAS/E) provides an opportunity to focus on a significant extended use of CSD. This extension, suggested by the equivalence of PAS/E and CSD, is designed to promote additional patient autonomy at the end-of-life. Samuel LiPuma, in his article, “Continuous Sedation Until Death as Physician-Assisted Suicide/Euthanasia: A Conceptual Analysis” claims equivalence between CSD and death; his paper is seminal in the equivalency debate. Critics contend that sedation follows (...) proportionality protocols for which LiPuma’s thesis does not adequately account. Furthermore, sedation may not eliminate consciousness, and as such LiPuma’s contention that CSD is equivalent to neocortical death is suspect. We not only defend the equivalence thesis, but also expand it to include additional moral considerations. First, we explain the equivalence thesis. This is followed by a defense of the thesis against five criticisms. The third section critiques the current use of CSD. Finally, we offer two proposals that, if adopted, would broaden the use of PAS/E and CSD and thereby expand options at the end-of-life. (shrink)

I propose a comprehensive account of negation as a modal operator, vindicating a moderate logical pluralism. Negation is taken as a quantifier on worlds, restricted by an accessibility relation encoding the basic concept of compatibility. This latter captures the core meaning of the operator. While some candidate negations are then ruled out as violating plausible constraints on compatibility, different specifications of the notion of world support different logical conducts for negations. The approach unifies in a philosophically motivated picture the following (...) results: nothing can be called a negation properly if it does not satisfy Contraposition and Double Negation Introduction; the pair consisting of two split or Galois negations encodes a distinction without a difference; some paraconsistent negations also fail to count as real negations, but others may; intuitionistic negation qualifies as real negation, and classical Boolean negation does as well, to the extent that constructivist and paraconsistent doubts on it do not turn on the basic concept of compatibility but rather on the interpretation of worlds. (shrink)

I want to model a finite, fallible cognitive agent who imagines that p in the sense of mentally representing a scenario—a configuration of objects and properties—correctly described by p. I propose to capture imagination, so understood, via variably strict world quantifiers, in a modal framework including both possible and so-called impossible worlds. The latter secure lack of classical logical closure for the relevant mental states, while the variability of strictness captures how the agent imports information from actuality in the imagined (...) non-actual scenarios. Imagination turns out to be highly hyperintensional, but not logically anarchic. Section 1 sets the stage and impossible worlds are quickly introduced in Sect. 2. Section 3 proposes to model imagination via variably strict world quantifiers. Section 4 introduces the formal semantics. Section 5 argues that imagination has a minimal mereological structure validating some logical inferences. Section 6 deals with how imagination under-determines the represented contents. Section 7 proposes additional constraints on the semantics, validating further inferences. Section 8 describes some welcome invalidities. Section 9 examines the effects of importing false beliefs into the imagined scenarios. Finally, Sect. 10 hints at possible developments of the theory in the direction of two-dimensional semantics. (shrink)

Humans have always sought to change their environment—building houses, monuments, temples, and roads. In the process, they have remade the fabric of the world into newly functional objects that are also works of art to be admired. In this second edition of his popular Existential Pleasures of Engineering, Samuel Florman explores how engineers think and feel about their profession. A deeply insightful and refreshingly unique text, this book corrects the myth that engineering is cold and passionless. Indeed, Florman celebrates engineering (...) not only crucial and fundamental but also vital and alive he views it as a response to some of our deepest impulses, an endeavor rich in spiritual and sensual rewards. Opposing the "anti-technology" stance, Florman gives readers a practical, creative, and even amusing philosophy of engineering that boasts of pride in his craft. (shrink)

We present and defend the Australian Plan semantics for negation. This is a comprehensive account, suitable for a variety of different logics. It is based on two ideas. The first is that negation is an exclusion-expressing device: we utter negations to express incompatibilities. The second is that, because incompatibility is modal, negation is a modal operator as well. It can, then, be modelled as a quantifier over points in frames, restricted by accessibility relations representing compatibilities and incompatibilities between such points. (...) We defuse a number of objections to this Plan, raised by supporters of the American Plan for negation, in which negation is handled via a many-valued semantics. We show that the Australian Plan has substantial advantages over the American Plan. (shrink)

In contemporary philosophy, substantive moral theories are typically classified as either consequentialist or deontological. Standard consequentialist theories insist, roughly, that agents must always act so as to produce the best available outcomes overall. Standard deontological theories, by contrast, maintain that there are some circumstances where one is permitted but not required to produce the best overall results, and still other circumstances in which one is positively forbidden to to do. Classical utilitarianism is the most familiar consequentialist view, but it is (...) widely regarded as an inadequate account of morality. Although Professor Scheffler agrees with this assessment, he also believes that consequentialism seems initially plausible, and that there is a persistent air of paradox surrounding typical deontological views. In this book, therefore, he undertakes to reconsider the rejection of consequentialism. He argues that it is possible to provide a rationale for the view that agents need not always produce the best possible overall outcomes, and this motivates one departure from consequentialism; but he shows that it is surprisingly difficult to provide a satisfactory rationale for the view that there are times when agents must not produce the best possible overall outcomes. He goes on to argue for a hitherto neglected type of moral conception, according to which agents are always permitted, but not always required, to produce the best outcomes. (shrink)

This article is divided into three sections. In the first and second, I examine Sartorio’s account of the causal structure of the famous Thirsty Traveler thought experiment. I argue that this account does not withstand critical scrutiny. In the third, I turn to a novel kind of moral luck that Sartorio uses the Thirsty Traveler to expose. I expand the scope of my argument to look also at other recently proposed categories of moral luck. I argue that these proposals are (...) overhasty. (shrink)

Research indicates that religious values and ethical behavior are closely associated, yet, at a firm level, the processes by which this association occurs are poorly understood. Family firms are known to exhibit values-based behavior, which in turn can lead to specific firm-level outcomes. It is also known that one’s family is an important incubator, enabler, and perpetuator of religious values across successive generations. Our study examines the experiences of a single, multigenerational business family that successfully enacted their religious values in (...) their business. Drawing upon intergenerational solidarity and values-based leadership theory, and by way of an interpretive, qualitative analysis, we find that the family’s religious values enhanced their cohesion and were manifested in their leadership style, which, in turn, led to outcomes for the business. Our findings highlight the processes that underlie the relationship between religious values and organizational outcomes in family firms and offer insights into the role of solidarity in values-based leadership. (shrink)

Pragmatic vindicatory genealogies provide both a cause and a rationale and can thus affect the space of reasons. But how far is the space of reasons affected by this kind of genealogical argument? What normative and evaluative implications do these arguments have? In this paper, I unpack this issue into three different sub-questions and explain what kinds of reasons they provide, for whom are these reasons, and for what. In relation to this final sub-question I argue, most importantly, that these (...) arguments are ambiguous about what they give us reasons for, meaning that they can be interpreted both as justifications for recognizing the normative standing of certain norms, values, and practices - and thus for living by them - and as excuses for those that do so. I illustrate this point by reference to the genealogical vindication of honour cultures, showing how the vindicatory argument can illuminate such case as one of excusing moral ignorance. Drawing on legal theory and moral philosophy, I show that different evaluative and normative implications hang on the result of the interpretation as either justification or excuse, and show that this ambiguity is a virtue rather than a limitation. (shrink)

According to Aristotle, the medical art aims at health, which is a virtue of the body, and does so in an unlimited way. Consequently, medicine does not determine the extent to which health should be pursued, and “mental health” falls under medicine only via pros hen predication. Because medicine is inherently oriented to its end, it produces health in accordance with its nature and disease contrary to its nature—even when disease is good for the patient. Aristotle’s politician understands that this (...) inherent orientation can be systematically distorted, and so would see the need for something like the Hippocratic Oath. (shrink)

We outline a neo-Meinongian framework labeled as Modal Meinongian Metaphysics (MMM) to account for the ontology and semantics of fictional discourse. Several competing accounts of fictional objects are originated by the fact that our talking of them mirrors incoherent intuitions: mainstream theories of fiction privilege some such intuitions, but are forced to account for others via complicated paraphrases of the relevant sentences. An ideal theory should resort to as few paraphrases as possible. In Sect. 1, we make this explicit via (...) two methodological principles, called the Minimal Revision and the Acceptability Constraint. In Sect. 2, we introduce the standard distinction between internal and external fictional discourse. In Sects. 3–5, we discuss the approaches of (traditional) Meinongianism, Fictionalism, and Realism—and their main troubles. In Sect. 6 we propose our MMM approach. This is based upon (1) a modal semantics including impossible worlds (Subsect. 6.1); (2) a qualified Comprehension Principle for objects (Subsect. 6.2); (3) a notion of existence-entailment for properties (Subsect. 6.3). In Sect. 7 we present a formal semantics for MMM based upon a representation operator. And in Sect. 8 we have a look at how MMM solves the problems of the three aforementioned theories. (shrink)

A complex brain network, centered on the hippocampus, supports episodic memories throughout their lifetimes. Classically, upon memory encoding during active behavior, hippocampal activity is dominated by theta oscillations (6-10Hz). During inactivity, hippocampal neurons burst synchronously, constituting sharp waves, which can propagate to other structures, theoretically supporting memory consolidation. This 'two-stage' model has been updated by new data from high-density electrophysiological recordings in animals that shed light on how information is encoded and exchanged between hippocampus, neocortex and subcortical structures such as (...) the striatum. Cell assemblies (tightly related groups of cells) discharge together and synchronize across brain structures orchestrated by theta, sharp waves and slow oscillations, to encode information. This evolving dynamical schema is key to extending our understanding of memory processes. (shrink)