Biological explanations for schizophrenia

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Who found that MZ twins have a 48% shared risk of schizophrenia, DZ twins have a 17% of shared risk?
Gottesman
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Existence of different candidate genes indicates that each individual gene confers a small increased reisk of schizophrenia, which is known as?
Polygenetic
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Existence of different candidate genes inidcated that different combinations can lead to schizophrenia, which is known as?
Aetiologically heterogeneous
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What neurotransmitter is widely believed to be involved in schizophrenia?
dopamine
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What hypothesis for schiz is believed to be because of too high levels or activiy of dopamine in thesubcortex?
hyperdopaminergia
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What hypothesis for schiz is believed to be because there are too low levels of dopamine in the prefrontal cortex?
hypodopaminergia
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What area of the brain is involved in anticipation of reward, and loss of motivation in schiz may be explained by low levels in this area?
Ventral striatum
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What area of the brain is thought to be linked with auditory hallucinations?
Superior temporal gyrus
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What study showed that children of people with schizophrenia are still at a heightened reisk of schiz, if moved to a family without a history of schiz?
Adoption
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If non schiz people where given dopamine agonists would they develop schizophrenic like symptoms?
Yes
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What other neurotransmitter may be involved in schiz (candidate genes have coding for this neurotransmitter)?
Glutamate
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There is a question about whether unusual activity in the brain causes schiz, or is caused by schiz. This can be explained as a ...... ................ problem
correlation causation
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If identical twins only have a 50% chance of developing risk if one has it, what else could be involved?
Environment
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Card 2

Front

Existence of different candidate genes indicates that each individual gene confers a small increased reisk of schizophrenia, which is known as?

Back

Polygenetic

Card 3

Front

Existence of different candidate genes inidcated that different combinations can lead to schizophrenia, which is known as?

Back

Preview of the front of card 3

Card 4

Front

What neurotransmitter is widely believed to be involved in schizophrenia?

Back

Preview of the front of card 4

Card 5

Front

What hypothesis for schiz is believed to be because of too high levels or activiy of dopamine in thesubcortex?

Back

Preview of the front of card 5
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