PSYC 6 Lecture Notes - Lecture 7: Puzzle Video Game, Broccoli, Object Permanence
Document Summary
Experimenter takes the opposite of the childs preferred food. When the child is asked to give some to the experimenter: 14 months or younger children will give what the child prefer. 18 month child was able to give the experimenter their preference. Transaction between the child"s biological, psychological, and sociocultural variables and the environment. Change over the lifespand produces higher modes of functioning and new skill development. Pns everything outside brain and spinal cord. Axons migrate and follow chemical markers to tell them where to grow and when to stop. By 5 months, most neurons have reached their final destination. Overabundance of axons than the target cells can accommodate now selective pruning begins. Birth to age 2, increase in synaptic density. After 2 years, reduction in synaptic density. 50% than what is seen in adults. Continues until 16, whereby adult levels are reached. It is experience that causes the consolidation of circuits and pruning of unnecessary synapses.
