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Myowa-Yamakoshi, Masako; Takeshita, Hideko – Infancy, 2006
Using four-dimensional (4D) ultrasonography, arm and hand movements toward the face were examined in 27 human fetuses at 19 to 35 weeks of gestation, thereby enabling the continuous monitoring of their faces and other surface features such as the extremities. More than half of the observed arm movements resulted in the hand touching the mouth…
Descriptors: Pregnancy, Motor Reactions, Infant Behavior, Human Body
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Schwalb, Barbara J.; And Others – Developmental Psychology, 1994
Using a new temperament inventory (the Japanese Temperament Questionnaire) developed from the free responses of Japanese mothers asked to describe their infants' behavioral styles, 469 mothers rated behaviors observed in their 1-, 3-, or 6-month-old baby. Results suggest that mothers' perceptions of infant temperament are both pancultural and…
Descriptors: Age Differences, Cultural Differences, Foreign Countries, Infant Behavior
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Camras, Linda A.; And Others – Developmental Psychology, 1992
Measured 5- and 12-month-old Japanese and U.S. infants' responses to an arm restraint procedure. Found that older infants exhibited shorter response latencies and produced more negative facial expressions than did younger infants. Among five month olds, U.S. infants produced negative facial expressions more quickly than did Japanese infants. (BC)
Descriptors: Age Differences, Cross Cultural Studies, Cultural Differences, Facial Expressions
Chen, Shing-Jen, Ed.; Murohashi, Harumitsu, Ed.; Fujino, Yuki, Ed. – 2002
This annual report presents several articles related to the work of the Clinical Center for Child Development at Hokkaido University in Sapporo, Japan. The articles are: (1) "Joint Attention as a System Property of the Infant-Caregiver Interaction System"(Tsuneda Miho and Shing-Jen Chen); (2) "Age-Related Change in Japanese Maternal…
Descriptors: Acoustics, Age Differences, Attention, Auditory Perception
Shimada, Shoko; And Others – 1979
The purpose of this study was to cross-sectionally and longitudinally examine the developmental process of search behavior in infancy. Subjects were 23 Japanese normal infants (11 males and 12 females) who were individually tested once a month from the age of six to 13 months in laboratory settings. Small toys and three white opaque cubic boxes…
Descriptors: Age Differences, Cognitive Development, Cross Sectional Studies, Developmental Stages