PSYCH 202 Lecture Notes - Lecture 17: Grey Matter, White Matter, Amygdala
Document Summary
Pervasive developmental disorders identified by severely impaired social relationships and communication. Affective abnormalities (emotional; ex: impaired ability to recognize other"s emotional expressions) Increased white matter - hyper growth in childhood. Amygdala abnormalities: amygdala is hyperactive when interacting with other people, specifically when looking at faces. Impaired activation of the fusiform gyrus (area of visual cortex that remembers faces) Impaired mirror neuron activity: less activity in mirror neurons. Brainstem nuclei small or missing: sound location. Result of assault (interruption of development) during day 20-24 of development, as neural tube is closing.
