Monday, April 13, 2009

Biochemical Causes of Depression

It is likely that with clinical depression, neurotransmitter function is disrupted.

Neurotransmitters:
are chemicals that carry signals from one part of the brain to the next

Click here to watch a video that explains and gives a visual for how nuerons and nuerotransmitters work.

This is a simple diagram of neurotransmitters. The video explains in depth how they function.






Three important nuerotransmitters that affect a person's mood are:
* serotonin
* noradrenaline
* dopamine

In normal brain function, neurotransmitters jump from one nerve cell to the next, with the signal being as strong in the second and following cells as it was in the first. However, in people who are depressed, the mood regulating neurotransmitters fail to function normally, so that the signal is either depleted or disrupted before passing to the next nerve cell.

*More scientific detail for the biochemical causes can be found here.

2 comments:

  1. You may have already had the chance to take Dr. Karren’s class but if not you should definitely talk to him he has so much expertise on depression and how it affects the individual and there families lives.

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