UNLABELLED In a recent cross-sectional study, we found that young infants changed their spontaneous arm movements in the presence of a toy, termed 'toy-oriented changes', in systematic ways beginning many weeks before their first consistent reaches [Bhat, A. N., Heathcock, J. H., & Galloway, J. C. (2005). Toy-oriented changes in hand and joint kinematics during the emergence of purposeful reach...

In this paper the connotation and the different definition of micro-grid were expounded, the basic structure of micro-grid was described, and the key technologies of smart grid were expatiated on. Finally, the directions for future research in our country of micro-grid are elucidated.

Influences of prenatal androgen exposure on human sex-typical behavior have been established largely through studies of individuals with congenital adrenal hyperplasia (CAH). However, evidence that addresses the potential confounding influence of parental socialization is limited. Parental socialization and its relationship to sex-typical toy play and spatial ability were investigated in two sa...

introduction: recent investigations have detected the presence of significant levels of heavy metals (chromium, lead and cadmium) in toys and other pvc products manufactured for children. in some countries, addition of compounds containing toxic metals to toys are limited or prohibited. methods: to evaluate the safety of some of the plastic toys in the city of isfahan with respect to toxic trac...

Toy designers and students may benefit from a universal classification system to communicate and ideate new toy concepts. In this paper, we present two graphical tools that help designers to classify and manipulate toy product concepts. The play pyramid is a three-dimensional map that allows designers to classify a toy concept by placing it in a space between what we believe to be four independ...