01:830:340 Chapter Notes - Chapter 4: Claustrophobia, Tic Disorder, Derealization
27 Jan 2014
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Document Summary
We can inherit the tendency to be anxious and collection of genes that make a person more susceptible when the right psychological and social factors are in place (genetic vulnerability) Corticotropin releasing factor (crf)- system linked to the expression of anxiety and group of genes that causes it to be turned on. Limbic system is the area of the brain most often associated with anxiety. Acts as a mediator between the brainstem and cortex. Behavioral inhibition system (bis)- brain circuit that responds to danger/ threat signals inhibiting activity and causing anxiety. brain stem and cortex. Flight or flight system (ffs)- brain circuit in animals that when stimulated causes an immediate alarm and escape response resembling human panic, brain stem and midbrain (amygdala and hypothalamus) Environmental factors affect the sensitivity of these brain circuits: psychological contributions. In early childhood we acquire an understanding that events are not under our control.
