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Health Psychology
Stress Theory
31
Psychology
Undergraduate 4
10/30/2006

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Cards

Term
Stress
Definition
tension, feeling overwhelmed, strain
Term
PNI

Psychoneuroimmunology

Definition
established in 1970's by Robert Ader. Looks @ how stress can facilitate disease
Term
Cannon

Biological Perspective

Definition
-coined the term stress

-worked with the endocrine system

-Predator stress: Fight or Flight (emergency theory of 1915)

-looked at homeostasis

Term
Selye

Biological Perspective

Definition
Father of Stress Research (prolific writer)

Noxious stimulation

Triadic Stress repsonse: enlarged adrenal glands, small spleen & thymus, gastric ulcers

Term
Stress

Selye

Definition
A nonspecific response to any demand that is placed upon the body that takes the body out of homeostassi
Term
GAS - Selye

general adaptation syndrome

Definition
- Alarm Phase: when an organism is presented with a demand there is an increase in SNS activity. (Canon's emergency theory)

- Resistance Phase: with prolonged exposure it is defined as physiological coping

- Exhaustion Phase: the body breaks down & is unable to meet the demand of the stressor

- results in end organ disfunction (susceptability for illness)

Term
Taylor

Biological Perspective

Definition
- Tend & Befriend

women, when faced with a threat, the first response is to tend to children.

Women have more oxytocin which drives maternal behaviors under stress

Term
Mason

Psychological Perspective

Definition
Monkey - diet study

**Food deprivation is a demand that can produce stress

**The demand is not what generates the response. The perception contributes to the response to the stressor - without perception you do not have stress response.

Term
Lazarus

Psychological Perspective

Definition
Cognitive Appraisal

Woodshop Study - Information is important because it influences your perception of the event. Cognitive appraisal is important to the physiology of the stress response.

Term
Selye vs. Lazarus
Definition
Selye's model is too simplistic.
Lazarus' model is too individualizes - individual variability is due to cognitive appraisal
Term
The Transactional Model of Stress

Lazarus

Definition
2 types of appraisal

1. Primary : appraisal of threat

2. Secondary : your ability to meet the demand (coping)

3 types of threat appaisals

1. Motive Strength: goals/desires have been blocked

2. Belief System: information occurs that contradicts your beliefs/values

3. Intellectual Resources: information lacking infor about a situation is threatening.

Term
Secondary Appraisal

Lazarus

Definition
Coping Strategies

1. Problem Focus Coping: the individual tries to address the situation @ hand. They are actively engaged in reducing the threat

2. Active Coping: lose your job - go get another one

3. Emotion Focus: the individual does not actively address the problem. They self-regulate

Term
5 functions of coping

Lazarus & Cohen

Definition
1. Reduce harmful environmental conditions and enhance the likelihood of recovery.

2. Tolerate/adjust to - events

3. maintain + self image (+ self talk)

4. Maintain emotional equilibrium

5. Continue emotional & satisfying relationships with others

Term
Hobfall

Psychological Perspective

Definition
Emphasized environment & identifying environmental demands tha tproduce stress.
Term
4 types of resources

Hobfall

Definition
1. Object (anything that you value)

2. Personal Characteristics (refer to qualities that you value in yourself)

3. Conditions (refer to status)

4. Energies (refer to money, time or knowledge)

Term
Pearlin

Sociological Perspective

Definition
Stress is due to the unequal distribution of resources across a societal structure.

Unequal distribution of opportunities within a society.

Term
3 major sources of stress

Pearlin

Definition
1. Life Events: (Holmes & Rahe): It is not the number of events that you experience, rather the meaning of the life event

2. Life Strain: everyday problems due to institutionalized roles

3. Self-Concept:

Term
Institutionalized Conflicts

Hobfall

Definition
1. Role Overload: when the demands of life exceed coping resources

2. Role Captivity: a person wants to go outside their institutionalized roles but they can't therefor they are trapped in an unwanted role.

3. Role Restructuring: a change in instututionalized roles, that change can be stressful due to restructuring your relationship within a structure.

Term
SAM [sympathetic-adrenal-medullary pathway]

Stress Pathway

Definition
activation of SNS - hits adrenal gland - produces 2 hormones

adrenal medula is activated when stressor occurs. This produces horomones that are pervasive on the body. The physiological consequence is fight or flight.

Term
HPA [ hypothalamic pituitary adrenal cortex pathway]

Stress Pathways

Definition
stressor - stimulates hypothalamus - produces CRF hormones causeing stimulation of pituitary gland - biosynthesis - releases ACTH - causes adrenal cortex to be stimulated - release of cortisol
Term
4 consequences of release of cortisol

Stress Pathways

Definition
increase in conversion of carbs into glucose, increase of free fatty acid mobilization, increase of release of protein mobilization, killing of immature lymphocytes.
Term
Animal and Human Studies
Definition
Disease is slow and progressive, it is difficult to test stress in humans.

The research is correlational.

Term
Experimental Stressor
Definition
noxious stimuli presented in the confines of a lab
Term
Naturalistic
Definition
adversive stress that happens daily
Term
J. Weiss (1971)
Definition
tail shock for 19 hours was the stressor

dependant variable was gastric ulcers

inescapable and escapable conditions

concluded that his manipulation was responsible for ulcers

Term
Ecological Validity
Definition
animal research can be applied to the human condition

Weiss postulated that the stress was relevant to the fact that the animals had no control.

Term
Peterson (1984)
Definition
Monkey Model (4 total / two groups) subjected to industrial noise

dependant variable was hypertension and they measure auditory function

stress in general can cause changes in your cardiovascular system which can predispose you to hypertension

Term
Stress Reactivity
Definition
the degree to which an organism shows physiological changes to the stress
Term
Newberry (1978)
Definition
Stress & Cancer

the experimental animals had less tumors that were smaller in size

**Stress does not always harm

Term
Cohen (1991)
Definition
400 adults recruited, innoculated and quaratined in a hotel.

there was a dose-dependant relationship between stress & illness. 83% actually developed clinical colds.

Term
Immune System
Definition
major function: protect body against foreign bodies
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