Unit 3: Stress as a psychobiological process Flashcards
Stressors
Stimuli that cause or produce stress and challenge our ability to cope.
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.
Eustress
A positive psychological response to a stressor, as indicated by the presence of positive psychological states such as feeling enthusiastic, motivated, excited, activated and alert.
Distress
A negative psychological response to a stressor, as indicated by the presence of negative psychological states such as anger, anxiety, nervousness, irritability or tension.
Daily pressures
Little problems of everyday living that are irritants and annoy/bother us which can make us upset or angry.
Life events
Involves change that forces us to adapt to new circumstances which have immediate consequences and require longer term adjustments.
Acculturative stress
Refers to the stress people experience in trying to adapt to a new culture when living in it for a considerable period of time.
Major stressor
An event that is extraordinarily stressful or disturbing for almost everyone who experiences it.
Catastrophe
An unpredictable event that causes widespread damage or suffering.
Fight-flight-freeze response
An involuntary physical response to a sudden and immediate stressor.
What activates the fight-flight-freeze response?
The sympathetic nervous system.
What hormones are secreted during the fight-flight response?
Adrenaline and noradrenaline.
Cortisol
A hormone secreted to energize the body by increasing energy supplies such as blood sugar and enhancing metabolism
General Adaptation Syndrome (GAS)
A three-stage physiological response to stress that occurs regardless of the stressor that is encountered.
Alarm Reaction Stage (Shock and Countershock)
Occurs when the person (or animal) firm becomes aware of the stressor.