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Brain, Neurotransmitters and Depression

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What regions of the brain and neurotransmitters are associated with the symptoms of depression? What regions are activated by stress? How are the stress response and depression related?

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What regions of the brain and neurotransmitters are associated with the symptoms of depression?

The following neurotransmitters are associated with the symptoms of depression:
Norepinephrine—some people experience high levels while some experience low levels.
Cortisol—some people experience high levels while some experience low levels.
Serotonin—people with depression have decreased levels of serotonin at the synapses.
Dopamine—people with depression have decreased levels of dopamine

http://www.allaboutdepression.com/cau_02.html
http://serendip.brynmawr.edu/bb/neuro/neuro02/web1/mschlimme.html

What regions are activated by stress?

The following regions are activated by stress:
Amygdala—the amygdala (which is part of the brain) sends a distress signal to the ...

Solution Summary

This solution answers a questions regarding the symptoms of depression in 401 words. Five resources have been cited.

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This is a description of the primary neurotransmitters and how they effect diseases such as schizophrenia and major depression.

This solution describes how the major neurotransmitters dopamine, serotonin, and norepinephrine effect schizophrenia and major depression. It describes the positive, negative, and cognitive symptoms of schizophrenia and how the new atypical antipsychotic medication Ariprazole is a very helpful partial agonist in treating schizophrenia. It also discusses how serotonin and norepinephrine act on the synapses in major depression, and how the serotonin and norepinephrine reuptake inhibitors (SNRIs) are used to treat major depression. The parts of the brain involved in schizophrenia and depression are mentioned as well.

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