Stress - W4

Question 1

Definition of Stress:

Answer 1

“Stress is anything that throws your body out of homeostatic balance”

Sapolsky (1994)

Question 2

Kim & Diamond (2002)

Answer 2

Stress causes arousal that is considered aversive

Question 3

Pathological Affects of the Stress Response:

Sapolsky (1994)

Answer 3

Prolonged stress shifts adaptive stress response to a pathological condition that can jeopardise health & survival

Question 4

General Adaptive Syndrome (GAS)

Seyle (1950)

Answer 4

rats in low temperature conditions for

• 2 days (stress response)
• 2 weeks (adaption)
• 2 months (death)

Question 5

Henry et al., (1994)

Answer 5

offspring of stressed pregnant rats had elevated blood corticosterone concentrations as adults

Question 6

Weinstock (1997)

Answer 6

reduced birth weight, developmental delays, attentional deficits, hyper-anxiety

Question 7

Lui et al., (1997)

Answer 7

rats pups separated from mother, some were some were not

ones that were separated better dealt with stressors later on

Question 8

Weiss (1968)

Answer 8

rats who could control the rate of electric shock had -

lower glucocorticoid secretions

Question 9

Sapolsky (1992)

Answer 9

Warning signals prior to shock reduce glucocorticoids concentrations

Question 10

Sapolsky (1992) - outlet

Answer 10

Lower glucocorticoid concentrations, when rats can chew on a piece of wood

Question 11

norepinephrine

Answer 11

noradrenaline

continuously released into the blood stream, narrows blood vessels to increase blood pressure

Question 12

epinephrine

Answer 12

only released when stressed, increases heart rate and blood pressure,
increases blood flow to the muscles and brain
and aids conversion of glycogen

Question 13

maccari et al., (2003)

Answer 13

prent