Cognitive function among the Ainu people

Conservatory Musicians' Temporal Organization and Self-Regulation Processes in Preparing for a Music Exam

Performing at the very highest levels requires rigorous preparation before the important performance. Musicians and especially music students encounter many challenges when preparing themselves for an important musical performance. This study sought to identify and analyze the context-specific temporal organization and self-regulation efforts that music students employ during their preparation period. Conservatory musicians were recruited from an Australian University Conservatorium. Thirteen conservatory musicians aged between 19 and 21 years (M = 19.6; SD = 0.76) participated in the study. All musicians, through an elicitation interview, were asked to recall and reconstruct their preparation period, leading up to a performance exam. Elicitation interviews provided access to music students' experiences by describing their general preparation. The results showed that conservatory musicians go through different phases (Phase 1: Choosing a piece; Phase 2: Piece discovery; Phase 3: Piece interpretation; Phase 4: Performance preparation). Self-regulatory efforts to prepare for a music performance exam vary from one musician to another. Organizational and disorganizational competencies, specific self-regulatory skills, seem not to be exploited by conservatory musicians. Also, during their preparation, most music students prefer technical and musical work than challenges such as playing in front of the public. Emotionally, conservatory musicians go through pleasant and unpleasant emotions depending on the phase of their preparation. Our results show that music students could benefit from advice on how to organize their preparation period well before an important performance takes place. Implications for conservatory musicians and teachers are discussed.

Symmetrical Patterns of Ainu Heritage and Their Virtual and Physical Prototyping

This article addresses virtual and physical prototyping of some symmetrical patterns collected from the Ainu cultural heritage. The indigenous people living in the northern part of Japan (e.g., Hokkaido), known as Ainu, often decorate their houses, clothing, ornaments, utensils, and spiritual goods using some unique patterns. The patterns carry their identity as well as their sense of aesthetics. Nowadays, different kinds of souvenirs and cultural artifacts crafted with Ainu patterns are cherished by many individuals in Japan and abroad. Thus, the Ainu patterns carry both cultural and commercial significance. A great deal of craftsmanship is needed to produce the Ainu patterns precisely. There is a lack of human resources having such craftsmanship. It will remain the same in the foreseeable future. Thus, there is a pressing need to preserve such craftsmanship. Digital manufacturing technology can be used to preserve the Ainu pattern-making craftsmanship. From this perspective, this article presents a methodology to create both virtual and physical prototypes of Ainu patterns using digital manufacturing technology. In particular, a point cloud-based approach was adopted to model the patterns. A point cloud representing a pattern was then used to create a virtual prototype of the pattern in the form of a solid CAD model. The triangulation data of each solid CAD model were then used to run a 3D printer to produce a physical prototype (replica of the pattern). The virtual and physical prototypes of both basic (Hokkaido) Ainu motifs and some synthesized patterns were reproduced using the presented methodology. The findings of this study will help those who want to digitize the craftsmanship of culturally significant artifacts without using a 3D scanner or image processing.

The Intelligence of Biracial Children of U.S. Servicemen in Northeast Asia: Results from Japan

The IQ averages of biracial children have long been of interest to intelligence researchers for clarifying the causes of group differences in intelligence. We carried out a search for IQ test results of biracial children fathered by U.S. servicemen after World War 2 and indigenous Asian women in northeast Asian countries (Japan, Korea, China). We were able to locate a report from Japan from a foster home (n = 28–48 biracial children across tests). Results showed that there was only a minuscule IQ gap (<1 IQ) between children of Black–Japanese and White–Japanese parents. However, interpretation of the results is difficult owing to the very small sample size, the non-representative sample, and unknown patterns of assortative mating. We suggest possible avenues for future research.