Human behaviour, dopamine and DNA

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What are low levels of dopamine associated with?
Parkinson's disease
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What are high levels of dopamine linked to?
Mental health problems such as Schizophrenia.
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What does dopamine act as?
A neurotransmitter and a hormone.
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What is dopamine a precursor molecule for the production of?
Adrenaline and noradrenaline
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How many dopamine receptors are there and what are they called?
Five, DRD1 - DRD5.
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What is the binding of dopamine to receptors involved in?
Motivation and learning, linked to regulatory effects on other neurotransmitter release.
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What do antipsychotic drugs do?
Block dopamine receptors.
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Dopamine increases general arousal and decreases inhibition. What does this lead to?
An increase in creativity in conjunction with cerebral palsy.
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What drug is used to treat ADHD?
Ritalin
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What do drugs used to treat ADHD do?
Affect dopamine levels in the brain. One variant of the DRD4 gene more frequent in individuals with ADHD.
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What do different variants of the DRD4 gene do?
Affect the levels and activity of dopamine in the brain.
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What debate does this contribute to?
The nature-nurture debate. Behaviour is a product of both genes and the environment.
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What is OCD thought to have resulted from?
A deficiency in the levels of the neurotransmitter serotonin.
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Card 2

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What are high levels of dopamine linked to?

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Mental health problems such as Schizophrenia.

Card 3

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What does dopamine act as?

Back

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Card 4

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What is dopamine a precursor molecule for the production of?

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Card 5

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How many dopamine receptors are there and what are they called?

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