Stress-Response

Acute Stress Response: Alterations in behavior

• CRH released within the brain causes a shift in behavior from nonstressful responses (e.g., feeding, mating) to responses geared toward dealing with threatening stimuli--increased attention, caution, and fight or flight responses

CRH release in brain

activates

behaviors

associated with

increased state

of fear

(anxiety)

inhibits

behaviors

not associated

with stress

inhibition of

mating

inhibition of

feeding

increased

freezing

increased

vigilance

(attention)

increased

behavioral

reactivity

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