A2 - Biological Approach Flashcards Preview

BTEC Unit 3 Health Psychology (A1, A2, A3, B1, B2, B3, C1, C2, C3) > A2 - Biological Approach > Flashcards

Flashcards in A2 - Biological Approach Deck (11)
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1
Q

What is genetic predispostion?

A

You are more likely to develop a disease due to your genetic makeup.

2
Q

How does genetic predisposition work?

A

It contributes to the development of the disease but not causes the disease. It usually requires an environmental trigger.

3
Q

What did Vink (2005) aim for?

A

To see if genetic risk factors contribute separately to smoking initiation and nicotine dependence.

4
Q

Procedure to Vink (2005)

A

Gathered data from 868 monozygotic twins and 704 dizygotic twins, they complete a test.

5
Q

What were the findings of Vink (2005)

A

Smoking initiation - 44% of the variation between individuals is explained by genetic factors.
56% by environmental.
Nicotine dependence is 75% to genetic factors.

6
Q

What do neurotransmitters do?

A

They transmit electrical messages from one nerve cell to another.

7
Q

What happens if there is a chemical imbalance?

A

It can effect one’s behaviour and is usually responsible for the symptoms of mental disorders.

8
Q

Schizophrenia in relation to neurotransmitters.

A

There is an overactivity of dopamine, leading to delusion.

9
Q

Depression in relation to neurotransmitters.

A

Under activity of serotonin leads to low mood.

10
Q

Addiction in relation to neurotransmitters.

A

Individuals vulnerable to drug addiction suffer from inactive dopamine receptors.

11
Q

What causes dopamine deficiency?

A

Drugs, stress, alcohol.