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Introduction to Stress
Stress: A state of psychological and physical tension produced when
there is a mismatch between the perceived demands of the situation
(stressors) and the individual's ability to cope.
Stressor: Any factor that can trigger a stress response:
· Different people will respond differently to different stressors
·…

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The Autonomic Nervous System (ANS) is further divided into two more sub
sections:
Type of Response Branch Response Immediate Response
Sympathetic Branch
Arousal
· Activates internal organs in situations needing energy and arousal (e.g.
fight or flight)
· Leads to increased heart rate, reduced activity in the stomach, pupil
dilation…

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Countershock Response ­ Key Points:
Cerebral Cortex ­> Evaluation
Hypothalamus -> Activates Response
Hypothalamus -> Triggers CRF Hormone release
CRF Stimulates -> Pituitary Gland
Pituitary Gland release -> Hormone ACTH
ACTH stimulates -> Adrenal Cortex
Adrenal Cortex releases -> Corticosteroids -> Give use energy (break down
fat reserves & converting…

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Page 8

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Page 9

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Stress in Everyday Life
Life Changes:
When normal routines are disrupted we have to think about how to do
things that we would normally do on `auto-pilot' ­ We have to use much
more energy
Holmes & Rahe called this energy `Psychic Energy' ­ Constantly having to
think and use…

Page 10

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Rahe et al (1970)
· Correlational study of 2500 American Navy Seamen
· Completed the SRRS just before they set sail on military duty - Had to
indicate all of the life events that they had experienced over the last 6
months
· Higher LCU scores were linked to higher…

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Pages in this set

Page 1

Preview of page 1

Page 2

Preview of page 2
Introduction to Stress
Stress: A state of psychological and physical tension produced when
there is a mismatch between the perceived demands of the situation
(stressors) and the individual's ability to cope.
Stressor: Any factor that can trigger a stress response:
· Different people will respond differently to different stressors
·…

Page 3

Preview of page 3

Page 4

Preview of page 4
The Autonomic Nervous System (ANS) is further divided into two more sub
sections:
Type of Response Branch Response Immediate Response
Sympathetic Branch
Arousal
· Activates internal organs in situations needing energy and arousal (e.g.
fight or flight)
· Leads to increased heart rate, reduced activity in the stomach, pupil
dilation…

Page 5

Preview of page 5

Page 6

Preview of page 6
Countershock Response ­ Key Points:
Cerebral Cortex ­> Evaluation
Hypothalamus -> Activates Response
Hypothalamus -> Triggers CRF Hormone release
CRF Stimulates -> Pituitary Gland
Pituitary Gland release -> Hormone ACTH
ACTH stimulates -> Adrenal Cortex
Adrenal Cortex releases -> Corticosteroids -> Give use energy (break down
fat reserves & converting…

Page 7

Preview of page 7

Page 8

Preview of page 8

Page 9

Preview of page 9
Stress in Everyday Life
Life Changes:
When normal routines are disrupted we have to think about how to do
things that we would normally do on `auto-pilot' ­ We have to use much
more energy
Holmes & Rahe called this energy `Psychic Energy' ­ Constantly having to
think and use…

Page 10

Preview of page 10
Rahe et al (1970)
· Correlational study of 2500 American Navy Seamen
· Completed the SRRS just before they set sail on military duty - Had to
indicate all of the life events that they had experienced over the last 6
months
· Higher LCU scores were linked to higher…

Comments

No comments have yet been made