PSYCH261 Lecture Notes - Lecture 8: Ventromedial Prefrontal Cortex, Neocortex, Thalamus
Document Summary
The anatomy of fear, anatomy of amygdala and functions and relationship to fear and aggression!! Has to do with anxiety, fear, and anger. It is more of a complex or zone. Deduce function by studying the effects of structural injury. When there is damage there is less susceptibility to fear reaction. Low levels of serotonin = increased levels of aggressivty. Frontal lobes: just say no (nancy raegan ronald raegans campaign add) Medial prefrontal cortex and orbitofrontal cortex are often damaged in head injuries. Expression of behaviour that would otherwise be inhibited is seen. They can explain how to properly act in a situation but once put in that situation they do not follow through (ie. gambling and they know its bad) Explosion let a rod to be driven through his skull and frontal lobe damage. This lead to the understanding of frontal lobes role. Darwin felt that emotional expressions had evolved in man from other animals.
