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Georgia Sadler

Health Psychology
Definition of approach
Promotion and maintenance of health
Avoidance, diagnosis, and treatment of illness
Improvement of health care provision
Focuses on areas of health where mental processes are involved e.g. sleep, stress, drug
misuse, how people cope with life threatening illnesses, and mental disorders
Biological approach…

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Georgia Sadler

Has the opposite feeling of the drug
Physical or psychological
Shaking, cold sweats, vomiting

A drug that effectively mimics the action of a natural chemical messenger within the body

An apparent sensory experience that arises in the absence of an external stimulus

Increases the probability…

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Georgia Sadler

Examples regarding aversion therapy:
Rats made to feel sick when consuming sweetened water later avoided sweetened water
Demonstrated learning by association and provided evidence for aversion therapy to treat

Adolescent male rats placed in cages for 16 hours a day for 3 days
Only liquid on…

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Georgia Sadler

Comer 1997 ­ laboratory based token economy system to reduce drug taking in heroin

Qualitative data ­ reporting how a drug makes participants feel
Well controlled environment ­ drug quantities and measurable effects can be seen as
objective and reliable
Gives a clearer idea on the…

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Georgia Sadler

Describe two explanations for substance misuse. One explanation
must be from the Biological Approach, and one from the Learning
Learning Approach ­ Social Learning Theory
1. Observe role models taking drugs e.g. celebrity in media
2. Identify with the role model ­ want to do the same…

Page 6

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Georgia Sadler

Mimic the neurotransmitter (agonist)- may increase the frequency of nerve impulses e.g.
heroin acts by mimicking the attachment of either an endorphin or heroin molecule to a
receptor ­ inhibits the release of GABA
GABA serves to prevent dopamine release, the effect of heroin is to facilitate the…

Page 7

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Georgia Sadler

During everyday activity, a moderate amount of endorphin is naturally produced , causing
the release of dopamine and facilitating the reward systems within the brain
If the body is under stress/pain, receptors are stimulated and the level of dopamine
Lock onto brain's receptor sites for pain

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Georgia Sadler

Severity of symptoms is directly related to level of addiction
Symptoms start 6 ­ 12 hours after last fix
Failure to take a fix means symptoms will increase
Addict becomes agitated and often very aggressive
Symptoms peak after 26 ­ 72 hours
Most symptoms are over in…

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Georgia Sadler

Alcohol consumption stimulates the body to produce an enzyme that breaks down alcohol
more quickly
In a few weeks, a drinker will need to consume around 50% more alcohol to achieve the
same effect
Behavioural tolerance is largely a result of practice ­ individual becomes better at coping…

Page 10

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Georgia Sadler

Untreated withdrawal is fatal in a third of cases
Even with early treatment, about 5% of patients are likely to die

Describe and evaluate two ways of treating substance misuse,
including drug treatment in heroin dependence (the Biological
Approach) and one other ­ aversion therapy for alcohol abuse…


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