Lec9_Motor_Dev2121

Lec9_Motor_Dev2121 - MotorDevelopment 1. 2. 3. Preview:...

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Motor Development Preview: 1. Reflexes and motor milestones 2. Dynamic systems approach 3. Effects of motor development on cognitive, perceptual, and emotional development
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reflexes n Section 1
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Reflexes: The first motor skills n Innate, fixed pattern of action that occurs in response to specific stimulation.
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Newborn Reflexes  (not an exhaustive list) n Rooting (disappears after 2- 3 weeks) n Palmar grasp/Grasping (disappears 3-4 months) n Stepping (“disappears” around 2 months; “reappears” at 12 months?) n Moro/Startle (disappears around 6 months) n Babinski (changes at 12 months) n Function? n Reflexes as a sign of healthy  development Palmar Stepping Moro
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reflex video
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Motor milestones of infancy Crawling : Average, 7 months; range: 5-11 months Reaching/grasping : 3mo, 3w; range: 2-7 months Crawling
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Motor milestones you should know n Lifts head q By 4 weeks n Arms for support q 2-4 months n Reaching/grasping q 3-4 months n Sits without support q 5-7 months n Crawls q 5-11 months (7 is average) n Walks alone q 11-14 months
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Dynamic systems approach to  motor development n Section 2
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This note was uploaded on 01/05/2012 for the course PSY 0310 taught by Professor Strauss during the Spring '08 term at Pittsburgh.

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Lec9_Motor_Dev2121 - MotorDevelopment 1. 2. 3. Preview:...

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