PSYCO105 Lecture Notes - Lecture 15: Object Permanence, Motor Coordination, Cultural-Historical Psychology

• School: University of Alberta
• Department: Psychology
• Course: PSYCO105
• Professor: Jamin Blatter

Document Summary

Infants under 5 months of age seem to lack basic understanding of object permanence. Peek-a-boo adult has hidden their face; doesn"t mean adult has disappeared. The pioneer of techniques to test object permanence jean piaget. Simple hiding place problem and changed hiding problem (lecture 15) Idea of object permanence is still very fragile. When they are 10-12 months old, they can start to solve this problem. When infants are 3 months old, they can play peek-a-boo but can"t solve the simple hiding problem. Even if they have the mental representation, they need motor coordination to reach for the object. They are unable to use mental images of the mental images to guide their reaching behaviour. Dramatic improvements in solving the simple hiding problem increases when they start to move around on their own. Group 1: can crawl; group 2: can"t crawl but are exposed to walkers; group 3: can"t crawl and never used walker.