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Lecture 21

PSYC 2250 Lecture 21: Lecture 21
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Department
Psychology
Course
PSYC 2250
Professor
Steven Hladkyj
Semester
Summer

Description
oS82 9182015 6:46:00 PM Chapter 4 : Physical Development Motor Development Gross and Fine motor development Gross large muscles, keep you moving Fine small muscles, precise behaviour Cephalocausal and Proximodistal pattern Cephalocausal closer to head before feet Proximodistal inside to out Dynamic systems theory of motor development mastery of motor skills involves acquiring increasingly complex systems of action Each new skill is a product of Central nervous development o The bodys capacity for movement o The goal the child has in mind o Environmental supports for the skill Reaching an example of motor development Prereaching 7 week movements, improve 34 months coordination improves 56 months reaching controlled by proprioreception a sense of movement and location in space Ulnar and pincer grasp o Ulnar control over the middle fingers o Pincer allow baby to pick up tiny objects
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