PSYCH 202 Lecture Notes - Lecture 1: Adrenocorticotropic Hormone, Clogging, Hans Selye

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From Personality to Stress
Stress-reactivity:
Individual difference factor, a trait
Some may be more disposed to perceive events as hassles
Some people are more disposed to experience major stressful events
Three Examples:
Optimism:
The trait of "optimism" is associated with the following empirical findings:
High in optimism tend to be:
Less illness symptoms in college and beyond
1)
More active approach to stress and problem solving
2)
Higher levels of academic success and performance
3)
More likely to complete treatment programs for alcoholism
4)
More likely to recover well from heart surgery or heart
disease
5)
Strong immune systems
6)
Respond to stressors with smaller increase in blood pressure
7)
Less likely to have cardiac issues
8)
i.
a.
1.
Self-Efficacy (Albert Bandura)
Degree to which you believe you can control your future
a.
High in self-efficacy have more hope in themselves
b.
2.
Hardiness
Tend to believe that they are in control of themselves
a.
Believe that what they do will affect themselves
b.
"Hardiness is a trait of people who demonstrate:
Commitment (sense of purpose/involvement with work and family)
i.
Challenge (openness to new experiences and desire to embrace
them)
ii.
Control (belief that one has power to influence important future
outcomes-- high self-efficacy and low learned helplessness)
iii.
c.
3.
1/30/18 Personality and Stress
Tuesday, January 30, 2018
10:25 AM
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Control (belief that one has power to influence important future
outcomes-- high self-efficacy and low learned helplessness)
iii.
Experience less stressful hassles
d.
Respond to threat and challenge with less physiological stress
e.
What is "stress"?
Hans Selye is the pioneer of stress psychology
Emphasized that:
Stressor is a stimulus event that produces stress response
What are our stressors?
External stressors: eg loss of job, relationship problems,
classes not going well
®
Internal stressors: eg chronic self criticism/depressive
thinking/social anxiety/hostility
®
§
Stress is the nonspecific response of the organism to any pressure or demand
Selye's "General Adaption Syndrome" (GAS)
3 phase of physiological stress-response:
Alarm
First reaction when stressed is to FOCUS and your alarm turns
on
Sympathetic Nervous System
Amygdala reacts
Sympathetic Nervous System (SNS) releases adrenaline via
Hypothalamus
HPA-Axis (Hypothalamic Pituitary Adrenal Axis)
Look at diagram
Hypothalamus sends signal (CFR signal) to your pituitary gland
and it releases (ACTH) to the adrenal gland and the adrenal
gland released a cascade of glucocorticoids which releases
cortisol into your bloodstream
§
Resistance
Your stress is too long
§
Exhaustion
Which leads to exhaustion which leads to disease and death
4 Consequences of Chronic Cortisol:
Decrease in immune functioning
®
Decrease the process of hippocampal neurogenesis
Happens in the hippocampus
Hippocampus related to memory
}
®
§
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