PSC 1 Lecture Notes - Lecture 11: Fetal Alcohol Spectrum Disorder, Synaptic Pruning, Prenatal Development
Document Summary
How do we study development: longitudinal studies- study a set of individuals as they change over time. Infants: behavior, ex. how often they cry when a stranger walks in, what toy they reach for, high amplitude sucking (habituation & dishabituation, preferential looking (eye-tracking) Infant cognitive development: rovee-collier mobile study, attach ankle to mobile so kicking would move the mobile, count kicking with vs. without the mobile to test memory for the mobile, older infants remember to kick mobile longer. Infantile amnesia-the inability to remember events from early childhood: 3 months- can remember for 1 day. Infant social development first social smile at 4-6 weeks: knowing to watch people"s lips to comprehend language/faces to comprehend emotion, attachment- a strong emotional bond between child ad caregiver that persists over time, harry harlowe monkey study 1950s. 60/65: insecure avoidant (prefers stranger to caregiver)- 20, insecure anxious/ ambivalent (clings to caregiver)- 10%
