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Serotonin (/ ˌ s ɛr ə ˈ t oʊ n ɪ n, ˌ s ɪər ə-/) [6] [7] [8] or 5-hydroxytryptamine (5-HT) is a monoamine neurotransmitter.Its biological function is complex, touching on diverse functions including mood, cognition, reward, learning, memory, and numerous physiological processes such as vomiting and vasoconstriction.
Serotonin, a brain messenger that you might know as the "happy hormone" (along with dopamine and others), helps regulate your mood as well as other functions like memory, social behavior and sleep.
If you have low levels of dopamine, you might feel tired or unhappy, have low motivation, and could experience mood swings and concentration problems, the Cleveland Clinic says. High levels might ...
While other neurotransmitters, such as serotonin, also boost your mood, dopamine is a bit different because it's linked to reward and motivation. Essentially, you feel its release as you mark ...
Diurnal mood improvement was associated with activity of dorsal neural networks. Increased mean core temperature was also observed. One hypothesis proposed that depression was a result of a phase shift. [30] Daytime light exposure correlates with decreased serotonin transporter activity, which may underlie the seasonality of some depression. [31]
The mood changes induced by AMPT may be mediated by decreases in norepinephrine, while changes in selective attention and motivation may be mediated by dopamine. Dietary depletion of the DA precursors phenylalanine and tyrosine does not result in the relapse of formerly depressed patients off their medication.
“Exercising first thing in the morning boosts blood flow to the brain and releases chemicals like dopamine, serotonin and endorphins that improve mood and alertness,” Tovar notes.
The 5-HT 2C receptor is one of the many binding sites for serotonin. Activation of this receptor by serotonin inhibits dopamine and norepinephrine release in certain areas of the brain. [10] 5-HT 2C receptors are claimed to significantly regulate mood, anxiety, feeding, and reproductive behavior.
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