Synchronized movements with external periodic rhythms, such as dancing to a beat, are commonly observed in daily life. Although it has been well established that some vocal learning species (including parrots and humans) spontaneously develop this ability, it has only recently been shown that monkeys are also capable of predictive and tempo-flexible synchronization to periodic stimuli. In our previous study, monkeys were trained to make predictive saccades for alternately presented visual stimuli at fixed stimulus onset asynchronies (SOAs) to obtain a (...) liquid reward. The monkeys generalized predictive synchronization to novel SOAs in the middle of trained range, suggesting a capacity for tempo-flexible synchronization. However, it is possible that when encountering a novel tempo, the monkeys might sample learned saccade sequences from those for the short and long SOAs so that the mean saccade interval matched the untrained SOA. To eliminate this possibility, in the current study we tested monkeys on novel SOAs outside the trained range. Animals were trained to generate synchronized eye movements for 600 and 900-ms SOAs for a few weeks, and then were tested for longer SOAs. The accuracy and precision of predictive saccades for one untrained SOA (1200 ms) were comparable to those for the trained conditions. On the other hand, the variance of predictive saccade latency and the proportion of reactive saccades increased significantly in the longer SOA conditions (1800 and 2400 ms), indicating that temporal prediction of periodic stimuli was difficult in this range, similar to previous results on synchronized tapping in humans. Our results suggest that monkeys might share similar synchronization mechanisms with humans, which can be subject to physiological examination in future studies. (shrink)

In April 1991, a general meeting of the Japanese Medical Conference was held in Kyoto and attracted 32,500 participants, the largest number ever. The theme of the meeting was “Medicine and Health Care in Transition,” and the program Included panel discussions on “How to Promote the Quality of Health Care” and “How Terminal Care Should Be Provided” and symposia on “Diagnosis of Brain Death and Its Problems,” “The Propriety of Organ Transplantation,” and “Brain Death and Organ Transplantation.” These titles reveal (...) not only how medical professionals in Japan perceive the present situatior healthcare but also the Issues that most concern them. (shrink)

James Mill's views on peace and war have yet to be examined in detail. Only a few scholars have paid any attention to this aspect of his thought. Edmund Silberner was the first to give any extensive account of Mill's opposition to war and his proposals for universal peace, but chiefly from an economic point of view. He rightly pointed out that Mill's opposition to war was grounded mainly on his belief that war always obstructs the progress of national wealth, (...) and also that Mill regarded the acquisition and possession of colonies as one of the major causes of war. F. H. Kinsley summed up the leading ideas of Mill's article on the ‘Law of Nations’, but only to show how far Bentham influenced Mill's thinking in this specific area. (shrink)

Using anthropological theory, this paper examines human–android interactions (HAI) as an emerging aspect of android science. These interactions are described in terms of adaptive learning (which is largely subconscious). This article is based on the observations reported and supplementary data from two studies that took place in Japan with a teleoperated android robot called Telenoid in the socialization of school children and older adults. We argue that interacting with androids brings about a special context, an interval, and a space/time for (...) reflection and imagination that was not there before. During the interaction something happens. There is adaptive learning and as a result, both children and older adults accepted Telenoid, and the children and older adults accepted each other. Using frames of play and ritual, we make sense and ‘capture’ moments of adaptive learning, and the feedback that elicits a social response from all study participants that results in self-efficacy and socialization. While “ritual” refers to the application of what has been learned and “play” means that there are no obvious consequences of what has been learned. This analysis illuminates new understanding about the uncanny valley, cultural robotics and the therapeutic potential of HAI. This has implications for the acceptance of androids in ‘socialized roles’ and gives us insight into the subconscious adaptive learning processes that must take place within humans to accept androids into our society. This approach aims to provides a clearer conceptual basis and vocabulary for further research of android and humanoid development. (shrink)

We have developed a broadcasting agent system, public opinion channel (POC) caster, which generates understandable conversational form from text-based documents. The POC caster circulates the opinions of community members by using conversational form in a broadcasting system on the Internet. We evaluated its transformation rules in two experiments. In experiment 1, we examined our transformation rules for conversational form in relation to sentence length. Twenty-four participants listened to two types of sentence (long sentences and short sentences) with conversational form or (...) with single speech. In experiment 2, we investigated the relationship between conversational form and the user’s knowledge level. Forty-two participants (21 with a high knowledge level and 21 with a low knowledge level) were selected for a knowledge task and listened to two kinds of sentence (sentences about a well-known topic or sentences about an unfamiliar topic). Our results indicate that the conversational form aided comprehension, especially for long sentences and when users had little knowledge about the topic. We explore possible explanations and implications of these results with regard to human cognition and text comprehension. (shrink)

Master Sorai's Responsals was to eighteenth-century Japan what The Prince was to Renaissance Italy. Like Machiavelli, Ogyu Sorai was a humanist scholar who served a prince and drew on his experiences as a house philosopher and on his vast knowledge of history and political affairs in his work. In 1720, when he began to write the letters that comprise this text, the Tokugawa regime was more than a hundred years old and beset with grave administrative and fiscal problems, about which (...) Sorai had much to say.Samuel Yamashita's impressive translation of this work offers modern readers a rare glimpse of the prevailing political discourse of the day and the specific concepts that rulers had at their disposal as they struggled to manage their domains, find talented men for their bureaucracies, create new sources of revenue, and keep their subjects well fed and happy.Sorai himself, of course, is a presence in the text. He is by tunes earnest, frank, impatient, utterly confident, and occasionally condescending. Unlike his Renaissance counterpart, he is something of an optimist: he was convinced that the introduction of archaic Chinese culture and institutions to Japan would solve its myriad problems.Well-versed in Chinese history, philosophy, religion, medicine, and belles lettres, Sorai holds forth on everything from archaic Chinese divination to Sung poetry and prose. He offers advice on how to become a Confucian gentleman, how to learn to read classical Chinese, and which books to read and which to avoid. He even discusses his belief in a sentient, Chinese-style "heaven," a topic not well understood by modern scholars. Long regarded as one of Sorai's best works, Master Sorai's Reponsals bristles with the sharp and clear opinions of the most influential thinker of Tokugawa Japan. (shrink)

Two experiments examined false recall for lists of semantically and phonologically associated words as a function of presentation duration. Veridical recall increased with long exposure durations for all lists. For semantically associated lists, false recall increased from 20–250 ms, then decreased. There was a high level of false recall with 20 ms durations for phonologically associated lists , which declined as duration increased. In Experiment 2, for lists presented at 20 and 50 ms rates, false recall given zero correct recall (...) was observed frequently, suggesting that conscious recollection of studied words was not necessary for phonological false memory. Differences between phonologically and semantically associated lists were consistent with a feature integration model based on automatic initial processing of phonetic features of words. (shrink)

The book explores the ways in which Jean Jacques Rousseau envisaged time as a diagnostic tool for understanding the state of society and the predicaments of modernity. Central to his conceptualization of both nature and history, time also plays a unique role in Rousseau's literary and aesthetic explorations of selfhood and effect. The book brings into dialogue specialists from education, political theory, literature and cultural studies with the aim to underscoring Rousseau's contributions to themes that preoccupy us today such as (...) the appreciation of slow time, the uncounted time of women's lives and temporal challenges related to politics and economy. (shrink)

Master Sorai's Responsals was to eighteenth-century Japan what The Prince was to Renaissance Italy. Like Machiavelli, Ogyu Sorai was a humanist scholar who served a prince and drew on his experiences as a house philosopher and on his vast knowledge of history and political affairs in his work. In 1720, when he began to write the letters that comprise this text, the Tokugawa regime was more than a hundred years old and beset with grave administrative and fiscal problems, about which (...) Sorai had much to say.Samuel Yamashita's impressive translation of this work offers modern readers a rare glimpse of the prevailing political discourse of the day and the specific concepts that rulers had at their disposal as they struggled to manage their domains, find talented men for their bureaucracies, create new sources of revenue, and keep their subjects well fed and happy.Sorai himself, of course, is a presence in the text. He is by tunes earnest, frank, impatient, utterly confident, and occasionally condescending. Unlike his Renaissance counterpart, he is something of an optimist: he was convinced that the introduction of archaic Chinese culture and institutions to Japan would solve its myriad problems.Well-versed in Chinese history, philosophy, religion, medicine, and belles lettres, Sorai holds forth on everything from archaic Chinese divination to Sung poetry and prose. He offers advice on how to become a Confucian gentleman, how to learn to read classical Chinese, and which books to read and which to avoid. He even discusses his belief in a sentient, Chinese-style "heaven," a topic not well understood by modern scholars. Long regarded as one of Sorai's best works, Master Sorai's Reponsals bristles with the sharp and clear opinions of the most influential thinker of Tokugawa Japan. (shrink)

Rousseau a bien compris, mieux que ses contemporains peut-être, le paradoxe de la communication propre aux Lumières, prises entre le développement du savoir et la constitution d'une opinion publique. Avec l'accélération de la circulation des discours et des écrits, comment parler et agir philosophiquement sans se perdre? Comment concilier la culture du secret, issue de la tradition littéraire du libertinage érudit, et la publicité, qui ouvre de plus en plus grands les horizons de la sphère publique? Masano Yamashita examine (...) ici l'articulation entre les stratégies rhétoriques de l'adresse au lecteur chez Rousseau et sa conception proprement philosophique de la communication. Elle met en lumière l'originalité et la lucidité de Rousseau face aux difficultés liées à cette société de l'information d'Ancien Régime. Rousseau cherche les conditions de possibilité d'une parole émancipée et pleinement publique. Au moyen d'une philosophie incarnée mettant en scène une figure de lecteur, il met à l'épreuve l'idée d'un sujet universel, la constitution d'un espace public, le sens de l'exercice de la philosophie, les enjeux politiques et éthiques des actes de discours. La réception des textes et le rapport au public constituent ainsi pour Rousseau un enjeu philosophique. Entre exigence de transparence et désir d'expérimenter les diverses facettes du moi public, se dessine la conception originale que Rousseau se fait de l'homme des Lumières. Masano Yamashita montre que la réflexion de Rousseau sur les manières de vivre dans un espace public, social comme littéraire, débouche sur une véritable vie philosophique. (shrink)

ヨーロッパの“美”と日本の“うつくしさ”の邂逅―それは単に比較文明の問題ではない。両者の邂逅に、西洋形而上学が形而上学=美学の歴史であった所以が立ち現われるなか、“あるがまま”という“うつくしさ”の存 在論が、ヨーロッパの存在論の忘れられた根底と呼び合う。.

狂信的な国粋主義者か、はたまた魂の尊厳を問うた求道者か。民俗学と国粋主義の親和性とは。多角的な視点からファシズムを再考する。.

Intervention studies on sedentary older adults have demonstrated that commencing physical exercise at an older age has a positive effect on brain structure. Although this suggests that older athletes with lifelong sports training have larger gray matter volume in some brain regions compared to age-matched non-athletes, evidence in the literature is scarce. Moreover, it remains unclear whether a larger GMV is associated with training intensity or period of training in life. To address these gaps in the literature, we compared regional (...) brain GMV between 24 older athletes and 24 age-matched non-athletes. The period of sports training and the current training time of the athletes were assessed. Both groups were evaluated for physical activity intensity as well as cognitive and motor performance. Although no group differences were noted in cognitive and motor performance, athletes reported higher physical activity intensity than non-athletes. Whole-brain structural analysis revealed a significantly larger GMV in several brain regions in athletes. Notably, the GMV of the precuneus in athletes was positively correlated with earlier commencement of sports training and training duration but was negatively correlated with current training time. Our findings demonstrate that early-commenced and continued sports training predicts structural maintenance of the precuneus in old age. Our results also suggest that excessive training time in old age may have a negative impact on the GMV of the precuneus; thereby delineating how the precuneus is associated with lifelong sports training in older athletes. (shrink)

This study compared 30 older musicians and 30 age-matched non-musicians to investigate the association between lifelong musical instrument training and age-related cognitive decline and brain atrophy. Although previous research has demonstrated that young musicians have larger gray matter volume in the auditory-motor cortices and cerebellum than non-musicians, little is known about older musicians. Music imagery in young musicians is also known to share a neural underpinning [the supramarginal gyrus and cerebellum] with music performance. Thus, we hypothesized that older musicians would (...) show superiority to non-musicians in some of the abovementioned brain regions. Behavioral performance, GMV, and brain activity, including functional connectivity during melodic working memory tasks, were evaluated in both groups. Behaviorally, musicians exhibited a much higher tapping speed than non-musicians, and tapping speed was correlated with executive function in musicians. Structural analyses revealed larger GMVs in both sides of the cerebellum of musicians, and importantly, this was maintained until very old age. Task-related FC analyses revealed that musicians possessed greater cerebellar-hippocampal FC, which was correlated with tapping speed. Furthermore, musicians showed higher activation in the SMG during MWM tasks; this was correlated with earlier commencement of instrumental training. These results indicate advantages or heightened coupling in brain regions associated with music performance and imagery in musicians. We suggest that lifelong instrumental training highly predicts the structural maintenance of the cerebellum and related cognitive maintenance in old age. (shrink)