monoamine hypothesis
- Created by: lorna
- Created on: 29-03-14 18:26
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- Monoamine Hypothesis
- Monoamines are a group of neurotransmitters
- Serotonin
- Dopamine
- Norepinephrine
- Serotonin
- Regulates other neurotransmitters
- Without regulation, there is erratic brain functioning and thinking
- Low levels of serotonin lead to low levels of norepinephrine
- Norepinephrine
- Needed to show alertness, energy and anxiety
- Some anti-depressants work by increasing the levels of norepinephrine
- Dopamine
- Some depressants work by increasing dopamine levels
- Energy, alertness, motivation and attention
- treatment is matched to the symptom shown
- Diathesis Stress Model
- Genetic pre-disposition with an environmental trigger
- Genetic tendency to depression is inherited but is triggered by environment
- Heritability
- 40% women
- 30% men
- serotonin transporter gene had a moderating effect on depression following a stressful life event
- Monoamines are a group of neurotransmitters
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