chapter 3 - stress Flashcards
Stress
a state of physiological and psychological arousal produced by internal or external stressors, that are perceived by the individual as challenging or exceeding their ability or resources to cope.
Stressor
any person, situation or event that produces stress & challenges our ability to cope.
-physical
-psychological
-internal/external
subjective
Eustress
positive psychological response to a stressor eg. Feeling excited, active and alert. It is usually a short -term type of stress
Distress
negative psychological response to a stressor eg anger, anxiety, nervousness or tension. This can be both short and long term
Daily pressures
A type of stressor involving little problems of everyday living that are irritants; also called hassles.
different for different areas of life
-cleaing room
-conflicts w gf or bf
-concerns abt weight
Life events
a type of stressor in everyday life involving change that forces an individual to adapt to new circumstances.
-divorce
-new job
Acculturative stress
The stress people experience in trying to adapt to a new culture when living in it for a considerable period of time.
-migrants/refugees
major stress
A type of stressor involving an event that is extraordinarily stressful or disturbing for almost everyone who experiences it.
- typically something life threatening
Catastrophe
An unpredictable event that causes widespread damage or suffering.
-psychological symptoms that can last long after the event has passed. E.g. PTSD
-World War
stress as a biological process - the two models
the fight–flight–freeze response and the General Adaptation Syndrome
The fight–flight–freeze response
is an involuntary, physical response to a sudden and immediate threat (or stressor) in readiness to
fight — confronting and fighting off the threat
flight — escaping by running away to safety
freeze — keeping absolutely still and silent, avoiding detection.
two stress hormones
adrenaline (also called epinephrine)
and noradrenaline (also called norepinephrine).
cortisol
A hormone secreted from the adrenal cortex to primarily energise the body in response to a stressor
HPA axis
is activated if a stressor persists, resulting in the release of cortisol.
- the HPA axis takes significantly longer (seconds to minutes) to exert its influences.
- Its effects also persist for a much longer time (minutes to hours).
effect amount of cortisol can lead to
impaired immune system functioning and thereby increased vulnerability to disease