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Chapter 10

PSY100H1 Chapter Notes - Chapter 10: Allostatic Load, Typical Male, Psychoneuroimmunology

Course Code
Michael Inzlicht

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Chapter 10
- Fat people were denied right to adopt
- Official policy of Chinese government: obese foreigners banned
from adopting Chinese children
Can psychosocial factors affect health?
- Behaviours and attitudes affect health
- Traditional medicine model emphasizes disease states, treatments
(ex drugs) designed to rid us of disease
o Model: People are passive recipients of disease
o Medical treatments designed to return hem to health after
- P’ : , / l in
keeping us healthy, help us regain health after illness
Health psychology integrates research on health + psychology
- Importance of lifestyle factors to physical health
- Application of knowledge on psychological principles to promote
health and wellbeing, beyond thinking of health as absence of
Wellbeing positive state, feel our best, striving for optimal health
o Actively participating through health enhancing behaviours
- Psychologists studying health + wellbeing rely on experimental and
statistical methods of psychology to understand the interrelationship
among thoughts (health related cognitions), actions, physical and
mental health
- Study ways our behaviour + social systems affect our health
- How ethnic and gender differences in healthy behaviours influence
health outcomes
The Biopsychosocial model of health incorporates multiple perspectives
for understanding and improving health
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Biopsychosocial model views health and illness as product of
combination of factors including biological characteristics and social
- Identification of strategies that prevent disease by helping people
lead healthier lives
- Thoughts and actions affect the environments we choose to interact
with; those environments affect biological underpinnings of
- Biopsychosocial model: understanding differences between
traditional medical model (individual is passive +approach taken by
 ,  ’ //
are central to understanding + improving health)
o Psychological factors thoughts, actions, lifestyles, stress,
health beliefs
o Biological factors genetic predispositions, exposure to
germs/brain/nervous system development
o Social conditions environments, cultural influences, family
relationships, social support
Behaviour contributes to leading causes of death
- People most likely to die from causes that stem from their own
behaviours, which they can learn to modify
o Obesity, lack of exercise, smoking, high fat diets, some
personality traits
- Heart disease can occur in easygoing, healthy people
- Everyone can change behaviour in ways that reduce likelihood of
heart disease/postpone it until later in life
- Accidents = leading cause of death
o Many are avoidable; we can reduce probability of accident
Ex: risky sexual behaviour, use of drugs/firearms
- Accidents = leading cause of death
- Suicide = 2nd leading cause of death, Cancer = 3rd, Homicide = 4th
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- Paradox: transition period between childhood and young adulthood
strongest, best health tendency to make bad decisions
- Violence, accidents, obesity, lack of exercise, risky sexytime, drugs
all negative factors
-   ’ :    :
childbirth, infectious diseases, accidents
- Abundance of cheap, tasty, food new health problems to
developed world
Regression to the mean - more extreme event (feeling very sick) will
tend to be followed by an event closer to the average or mean
(feeling better)
- Extreme event follows a less extreme event
Placebos can be powerful medicine
Placebo no apparent physiological effect on health condition for which
they are prescribed
Placebo effect drug/treatment unrelated to particular problem of person
who receives it, may make recipient feel better because the person
believes the drug/treatment is effective
- M ’      
- For a placebo to improve health, participant must believe it will
- Person who receives placebo must not know it is a fake
- Belief of placebo person feels relieved decreased anxiety
reduce pain help recovery
- W ’          ;
seamlessly the same
- Placebo effect is all in the head but the effect is real
- Pain is more than sensory experience
- How much pain people feel depends on many variables including
context, expectations, thoughts of pain
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