Amygdala PTSD

Question 1

Kluver- Bucy Syndrome

Answer 1

loss of behavioral inhibition, and feeding
docile
reduced fear
agydala lesion

Question 2

Basolateral Division of Amygdala

Answer 2

input from sensory cortex and hippocampus
involved in anxiety/fear
behavioal recognition
projects to central division

Question 3

Central Division of Amygdala

Answer 3

input from basolateral division
regulate anxiety/fear, fight or flight
projects to septum, hypothalamus, brainstem, spinal cord

Question 4

Hyperphagia

Answer 4

loss of inhibition of feeding

loss of amygdala interaction with hypothalamus

Question 5

PTSD

Answer 5

from event of serious injury
hypervigiliance
insomnia, flashbacks, wihdrawal

Question 6

Yohimbine

Answer 6

blocks NE receptor

results in elevated fear response

Question 7

Treatment of PTSD

Answer 7

SSRIs- selective serotonin reuptake inhibitor

antidepressants

Question 8

Dorsal Anterior Cingulate Cortex

dACC

Answer 8

promotes fear reactions through amygdala activation

hyperactive in PTSD

Question 9

Peri-genual Cortex

Answer 9

reduces fear by inhibiting amygdala

hypoactive in PTSD

Question 10

Cortical Region of Amygdala

Answer 10

Primary olfactory region

Possible role in reproductive behavior via projections to septum and hypothalamus