Human behaviour, dopamine and DNA 0.0 / 5 ? BiologyHuman, animal and plant physiologyA2/A-levelOCR Created by: Steff06Created on: 13-02-16 13:49 What are low levels of dopamine associated with? Parkinson's disease 1 of 13 What are high levels of dopamine linked to? Mental health problems such as Schizophrenia. 2 of 13 What does dopamine act as? A neurotransmitter and a hormone. 3 of 13 What is dopamine a precursor molecule for the production of? Adrenaline and noradrenaline 4 of 13 How many dopamine receptors are there and what are they called? Five, DRD1 - DRD5. 5 of 13 What is the binding of dopamine to receptors involved in? Motivation and learning, linked to regulatory effects on other neurotransmitter release. 6 of 13 What do antipsychotic drugs do? Block dopamine receptors. 7 of 13 Dopamine increases general arousal and decreases inhibition. What does this lead to? An increase in creativity in conjunction with cerebral palsy. 8 of 13 What drug is used to treat ADHD? Ritalin 9 of 13 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. 10 of 13 What do different variants of the DRD4 gene do? Affect the levels and activity of dopamine in the brain. 11 of 13 What debate does this contribute to? The nature-nurture debate. Behaviour is a product of both genes and the environment. 12 of 13 What is OCD thought to have resulted from? A deficiency in the levels of the neurotransmitter serotonin. 13 of 13
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