Biological Approach Flashcards

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1
Q

What is the influence of genes on behaviour?

A

Carry instructions for a particular characteristic however might not fully develop without correct environmental influence

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2
Q

What is meant by neurochemistry?

A

Bio chemistry of the nervous system (mostly brain)

Involves transmission of chemicals via cerebral fluid

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3
Q

What are neurotransmitters?

A

Electrical impulse reaches the end of neurone and can’t cross the synapse so the impulse is transformed into a n.transmitter to diffuse across the gap via cerebral fluid
Lack of seratonin is a factor of depression
Too much dopamine is an aspect of schizophrenia

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4
Q

What are hormones?

A

Chemicals that can affect behaviour, also send messages and are carried around in the bloodstream
Released from glands and the endocrine system

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5
Q

What is the effect of adrenaline?

A

Increase heart rate and digestion

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6
Q

What is the effect of testosterone?

A

Aggression

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7
Q

What is the effect of oxytocin?

A

Feminises brain, empathy and sociability

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8
Q

What was the research done my carré et al?

A

Studied an ice hockey team and noted a surge in testosterone at home stadium
Thought to be as they were defending home territory

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9
Q

3 positives of the biological approach

A

Scientific approach with highly controlled lab experiments
Led to an understanding of the the role of biochemistry in mental illness and has helped develop anti depressants
Highly objective measures

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10
Q

2 negatives of the biological approach

A

Criticised for being reductionist and may oversimplify complex issues
Approach assumes that behaviours we display have evolved due to being adaptive and relies on the speculative theory of evolution

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11
Q

Key assumptions of the biological approach

A

1) genes an individual possesses will have an effect on behaviour
2) evolution has shaped behaviour in the same way it has physicality
3) CNS affects behaviour
4) body chemistry such as hormones and neurotransmitters play a role in our behaviour

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