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04-03-2008, 01:22 PM | #1 | |||
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In Remembrance
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Dopamine - A Sample Neurotransmitter
-------------------------------------------------------------------------------- One of the neurotransmitters playing a major role in addiction is dopamine. Many of the concepts that apply to dopamine apply to other neurotransmitters as well. As a chemical messenger, dopamine is similar to adrenaline. Dopamine affects brain processes that control movement, emotional response, and ability to experience pleasure and pain. Dopamine -continued link http://www.utexas.edu/research/asrec/dopamine.html Regulation of dopamine plays a crucial role in our mental and physical health. Neurons containing the neurotransmitter dopamine are clustered in the midbrain in an area called the substantia nigra . In Parkinson's disease, the dopamine- transmitting neurons in this area die. As a result, the brains of people with Parkinson's disease contain almost no dopamine. To help relieve their symptoms, we give these people L-DOPA, a drug that can be converted in the brain to dopamine. Drugs can stimulate or fail to stimulate dopamine receptors
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with much love, lou_lou . . by . , on Flickr pd documentary - part 2 and 3 . . Resolve to be tender with the young, compassionate with the aged, sympathetic with the striving, and tolerant with the weak and the wrong. Sometime in your life you will have been all of these. |
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