PSYC62H3 Lecture Notes - Lecture 11: Autonomic Nervous System, Motor Disorder, Limbic System
12 Apr 2017
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Dsm definition of anxiety disorders: panic disorder. Feels like a life threatening condition; cannot breathe: agoraphobia. Avoids public; do not want to be vulnerable or embarrassed in public eye: specific phobia, social phobia. Performance anxiety: position where people may ridicule you: ocd, ptsd. Re-experiencing previous situations if they have traumatizing effects: gad. People who tend to be more fearful/worrisome across; not to a. Amygdala & anxiety specific situation: increased activity is associated with fear, anxiety, and aggression, sends info for fear-related responses to other regions. Prefrontal cortex: determines how we behave in fearful situations. Processing to see what stimulus is and how to react accordingly (approach/avoid) Hypothalamus and locus coerulus: facilitates physiological reactions to fear. Ability to immediately react; assume defensive/offensive posture. Hippocampus: provides context for amygdala (fear response) in allowing us to know whether to be fearful or not: hpa axis (automatic) when fear occurs: amygdala hypothalamus.
