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Approaches
Biological
A01
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Created by
jaya
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Cards (23)
What does the biological approach suggest about psychological behavior?
Everything
psychological is initially
biological
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Why must we look at biological structures to understand human behavior?
To
fully understand human behavior
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Where does the mind reside according to the biological perspective?
In the
brain
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How does the cognitive approach differ from the biological approach?
Cognitive approach sees
mental processes
as separate
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What does neurochemistry refer to?
The action of chemicals in the
brain
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What role do neurotransmitters play in behavior?
They facilitate
chemical transmission
in the brain
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What mental disorder is associated with low serotonin levels?
Obsessive-Compulsive Disorder
(OCD)
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What mental disorder is linked to overproduction of dopamine?
Schizophrenia
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How are psychological characteristics inherited?
Like
height
or
eye color
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What do twin studies investigate?
Genetic
basis of
psychological
characteristics
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What are concordance rates?
Extent
twins
share the same characteristic
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What is expected of identical twins regarding genetic characteristics?
They should be
concordant
for genetic traits
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How do non-identical twins differ in genetic sharing?
They share about
50%
of the same genes
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What is the assumption about the environment in twin studies?
The environment is
assumed
to be constant
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What is a genotype?
A person's actual
genetic
make-up
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What is a phenotype?
Expression of
genes
through
characteristics
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How can identical twins have different phenotypes?
Due to different
gene expressions
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What do biological psychologists believe about behavior?
It depends on
nature
and
nurture
interaction
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Who proposed the theory of natural selection?
Charles Darwin
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What does the theory of natural selection explain?
How
genetically
determined behavior enhances
survival
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How does natural selection occur in nature?
Through
advantages
that enhance
survival
and reproduction
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What is the analogy used to explain natural selection?
A farmer selecting animals for
breeding
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What happens to traits if an individual survives but does not reproduce?
Traits do not remain in the
gene pool
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