stress - Stress Hormones, the Brain and Behavior What is...

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Stress Hormones, the Brain and Behavior
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What is stress?
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What is stress? I t is “a real or interpreted threat to the physiological or psychological integrity of an individual that results in physiological and/or behavioral responses. In biomedicine, stress often refers to situations in which adrenal glucocorticoids and catecholamines are elevated because of an experience.” McEwen, B. (2000) In G. Fink (Ed.) Encyclopedia of Stress , Vol. 3. San Diego: Academic Press.
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What is stress? stress stimulus? “I’m under a lot of stress.” subjective experience? “I’m feeling stressed out.” depression deviation from homeostasis? hunger, thirst, fatigue endocrine response? circulating stress hormones
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Two types of stress 1. Systemic stress physiological threat 2. Processive stress potential or eventual threat In adults, responses to processive, but not systemic, stress is blocked by lesions of the hippocampus Systemic stress is also referred to as physiological stress, and processive stress is oten referred to as psychological stress
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This note was uploaded on 11/21/2011 for the course DEP 3053 taught by Professor Miller during the Fall '08 term at University of Florida.

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stress - Stress Hormones, the Brain and Behavior What is...

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