Psychology Impact of Neurotransmitters on Essay

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d.).

Norepinephrine

Norepinephrine, one of the monoamine neurotransmitters in the central nervous system, has been reported to be connected to several functions such as memory, cognition, consciousness, and emotion. It plays significant roles in the path physiology of depression. Norepinephrine transporter (NET) is responsible for the reuptake of norepinephrine into presynaptic nerves and is one of the main targets of antidepressants (Sekine, Arakawa, Ito, Okumura, Sasaki, Takahashi & Suhara, 2010). The norepinephrine system is important in: attention like alerting, focusing and orienting, appetitive behaviors, hedonic or pleasurable properties of natural and drug-related reinforcement and mood, arousal, and regulation of blood pressure (Biogenic Amine Neurotransmitters in the CNS, n.d.).

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Serotonin

Serotonin is a hormone, also called 5-hydroxytryptamine, in the pineal gland, blood platelets, the digestive tract, and the brain. Serotonin acts both as a chemical messenger that transmits nerve signals between nerve cells and that which causes blood vessels to narrow. Changes in the serotonin levels in the brain can also alter one's mood (Definition of Serotonin, 2011). The serotonin system is important in the control of sleep and mood, motoneuron function, sensory transmission like pain and autonomic and endocrine function (Biogenic Amine Neurotransmitters in the CNS, n.d.)......

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