On-line statistical segmentation of a non-speech auditory stream in neonates as demonstrated by event-related brain potentials

The ability to statistically segment a continuous auditory stream is one of the most important preparations for initiating language learning. Such ability is available to human infants at 8 months of age, as shown by a behavioral measurement. However, behavioral study alone cannot determine how early this ability is available. A recent study using measurements of event-related potential (ERP) revealed that neonates are able to detect statistical boundaries within auditory streams of speech syllables. Extending this line of research will allow us to better understand the cognitive preparation for language acquisition that is available to neonates. The aim of the present study was to examine the domain-generality of such statistical segmentation. Neonates were presented with nonlinguistic tone sequences composed of four tritone units, each consisting of three semitones extracted from one octave, for two 5-minute sessions. Only the first tone of each unit evoked a significant positivity in the frontal area during the second session, but not in the first session. This result suggests that the general ability to distinguish units in an auditory stream by statistical information is activated at birth and is probably innately prepared in humans.     

Characteristics of Family Interaction of Individuals with Hikikomori (Prolonged Social Withdrawal) From the Viewpoint of Behavior Theory

The cognitive behavioral approach for families of individuals with hikikomori (IWH) places importance on assessing family interaction from a behavior theory. However, there is no gold standard method for the assessment of family interaction of IWH. Additionally, the characteristics of the family interactions of IWH have not been clarified. This study aims to (a) develop the Family Interaction Scale for Hikikomori (FIS‐H) using parent‐reported data, and (b) clarify the characteristics of hikikomori cases. First, the FIS‐H factor structure was examined. Second, to examine the reliability and validity of the FIS‐H and the characteristics of hikikomori cases, parents of IWH (hikikomori‐group) and unaffected parents (without‐group) completed the FIS‐H and the Relationship Happiness Scale. Based on data from 146 parents, the FIS‐H preliminary version consisted of four factors with a total of 12 items (Study 1). The reliability and validity of the FIS‐H were also confirmed to be acceptable using data from 246 hikikomori‐group participants. The hikikomori‐group had higher FIS‐H scores than did the without‐group (Study 2). These results show that it is important to appropriately assess family interactions.     

Behavioral Repertoire of Families for Coping with Individuals with Hikikomori (Prolonged Social Withdrawal) in Japan1

This study aimed to examine the characteristics of families’ behavioral repertoires in hikikomori (prolonged social withdrawal) cases. We asked 243 parents of individuals with hikikomori (hikikomori group) to complete the Family Behavioral Repertoire Scale for Coping With Hikikomori (FBS-H), the Negative Evaluation of Hikikomori Scale, and a self-efficacy measure of coping with problem behaviors of hikikomori in order to develop the FBS-H and to examine its reliability and validity. Additionally, we examined the characteristics of hikikomori cases regarding the families’ behavioral repertoires using data from the hikikomori group and from 458 parents of individuals with no experience of hikikomori (control group). The results of the analysis indicated the acceptable reliability and validity of the FBS-H. The hikikomori group did not have lower FBS-H scores than the control group. This result indicates the possibility that a family's behavioral repertoire does not strongly influence the “expression” of hikikomori. Further research is needed to clarify the influence of families’ behavioral repertoires to refine family support.     

What exists in the environment that motivates the emergence, transmission, and sophistication of tool use?

In his attempt to find cognitive traits that set humans apart from nonhuman primates with respect to tool use, Vaesen overlooks the primacy of the environment toward the use of which behavior evolves. The occurrence of a particular behavior is a result of how that behavior has evolved in a complex and changing environment selected by a unique population.     

Virtue-Based Management

Drawing on Alasdair MacIntyre's book, After Virtue, we criticize current approaches to business ethics and corporate social responsibility. Both Kantian approaches that stress the importance of good intentions, and utilitarian approaches that stress the importance of good results come under MacIntyre's critique, as do Moore's ethical intuitionism and Stevenson's emotivism. In their place, a return to Aristotle shows us the importance of good habits, good practices, and the unity of the several virtues. The example of Winston Churchill is used to illustrate virtue-based leadership.     

Scenario Planning: The Basics

This article covers the basics of scenario planning: Why scenarios? What are scenarios? How do you develop scenarios? After covering the preliminaries—the constitution of the scenario team; interviews; research; the identification of a focal issue; set and setting for a scenario workshop; staffing; the trajectory of a scenario planning project—the article moves on to describe several methods for identifying a finite set of diverse scenario logics. After a set of scenarios has been developed, there are several different routes from scenarios to strategy. Early indicators can help identify which of several scenarios is in fact unfolding.     

Nesting of asymmetric functions in skilled bimanual action: dynamics of hammering behavior of bead craftsmen

In human manual activities, the two hands are often engaged in differentiated roles while cooperating with each other to produce an integrated outcome. Using recurrence methods, we studied the asymmetric bimanual action involved in stone bead production by craftsmen of different skill levels, and examined (a) how the control of unilateral movement is embedded in that of a bimanual system, and (b) how the behavior of a bimanual system is embedded in the context of the function performed in the world. Evidence was found that the movements of the two hands of experts were functionally linked, reflecting the roles assumed by each hand. We further found that only the dynamics of bimanual coordination of experts differentiated the functional requirements of different sub-goals. These results suggest that expertise in this skilled bimanual action lies in the nesting of functionally specific adjustments at different levels of a control hierarchy.