PSYCH261 Lecture Notes - Lecture 16: Startle Response, Amygdala, Cochlea
28 Nov 2015
School
Department
Course
Professor
Document Summary
Auditory information cochlea nucleus in medulla pons muscle tension. Muscles tense to protect your neck and your head. Associate shock with light measure startle reflex enhanced startle reflex when shock paired with light. Amygdala (easy to detect direct anger, when someone is angry looking at the side easy to detect, amygdala working harder for the more ambiguous scenario + eye direction/emotion/facial expression) S. m. (hard time processing emotion/emotional faces/ trouble drawing some expressions damage to amygdala, draw exceptionally well except for the facial expression of fear) S. m. (did not focus on the eyes when eye is tracked problem in strategy, doesn"t look at the relevant stimuli for detecting facial expression, control participants focused on the eyes detect facial expression) When asked to smile, they have a hard time making those expressions. Damage to motor cortex + subcortical connections (more important for volitional type movements) Damage to pfc (prefrontal cortex), thalamus, white matter of the frontal lobe.
