Lecture+5+Outline+Development(9,4) - Lecture 5Development...

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Lecture 5—Development Physical peak in mid-20’s I. Infant Capabilities a. Rooting Reflex – baby’s tendency when touched on the cheek to open mouth and reach for the nipple b. Sucking Reflex – causes baby to suck on anything that touches his or her face. i. Sucking – Measured in terms of its frequency and duration during exposure to it’s mother’s voice. ii. Sucking diminishes to – sounds and other voices . iii. Sucking increases in response to mother’s voice. Biologically prepared to respond to mother. c. Grasping Reflex – causes babies to clasp their fingers around anything that is put in their hands. d. Average ages i. 0 Months – fetal posture ii. 1 month – chin up iii. 2 months – chest up iv. 7 months – sit alone v. 14 months – stand alone vi. 15 months – walk alone e. Critical Period – a time in development when a specific kind of learning can take place; before or after the critical period, the same learning is difficult or even impossible. II.
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This note was uploaded on 10/08/2011 for the course PSY 120 taught by Professor Donnely during the Spring '08 term at Purdue.

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Lecture+5+Outline+Development(9,4) - Lecture 5Development...

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