PSY 602 Lecture Notes - Lecture 2: Human Genome Project, Prefrontal Cortex, Behaviorism

• School: Ryerson University
• Department: Psychology
• Course: PSY 602
• Professor: Karen Milligan

Document Summary

Biopsychosocial models: transactional approaches to understanding disorder: psychological, biological, social. Biological theories: brain is seen as playing a key role in normal and abnormal development. All-purpose cells develop into the complex brain, with billions of specialized neurons. Neurons are initially undi erentiated but when they reach their area of the brain (5th month) they become more di erentiated. Synapses multiply; then selective pruning reduces the number of connections. Nature & nurture: rewiring project : neural plasticity, nature - , nurture -, examples of environmental experiences: prenatal environment; childhood illness and diet; and early caregiving, including maltreatment, inadequate stimulation, and attachment. Biological theories: brain development: brain maturation, hierarchical process that builds on itself. 0-3 years basic sensory and motor skills. 23 from female: one pair is the sex chromosomes (xx or xy, alterations can occur in the structure or number ! disorders, structural di erences are most common.