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HW 3 - The increase of serotonin that is transmitted...

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Andy Gobran Psy 1001 disc 2/9/2011 HW 3 Normally, signals transmitted throughout the brain through from one neuron to another. A pre- synaptic neuron releases a signal (such as serotonin or dopamine) across a synapse where some of this information continues and is absorbed into the post-synaptic neuron. Not all of the information is absorbed into the post-synaptic neuron; some may remain in the synapse and is destroyed, and some may be reabsorbed into the pre-synaptic neuron. A Selective-Serotonin Reuptake Inhibitor (SSRI) is an antidepressant drug (e.g. Prozac) that blocks the reuptake of serotonin in the pre-synaptic neuron. This drug allows for more potential absorption of the serotonin by the post-synaptic neuron and is used for people with disorders such as depression.
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Unformatted text preview: The increase of serotonin that is transmitted between two neurons can offset the side effects of depression. Another type of inhibitor is a Monoamine Oxidase (MAO). This enzyme is used to target specific molecules in the synapse which are then destroyed. This enzyme is often used as a method to treat agoraphobia and social anxiety. This also brings up the idea that if MAOs are inhibiting molecules such as serotonin in a person diagnosed with depression a SSRI can be used to inhibit MAOs from destroying the serotonin within the synapse, but reuptake into the pre-synaptic neuron....
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