Serotonin. Content What is Serotonin? What is it used for? What’s the effect (too much/too little of it)? Factors that may cause Imbalance in serotonin.

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Presentation transcript:

Serotonin

Content What is Serotonin? What is it used for? What’s the effect (too much/too little of it)? Factors that may cause Imbalance in serotonin Case study Drugs

What’s Serotonin Neurotransmitter Known as 5 hydroxytryptamine Found in: Pinal gland Digestive tract Central nervous system Blood platelets

What is it used for? Control the mood of a person Regulate sleep Arousal levels Social behavior

What’s the effect? Too little: Eating disorders Panic attacks OCD Too much: Anxiety Insomnia Sexual dysfunction Gastrointestinal disturbances

Factors that may cause Imbalance in serotonin Low brain cell production of serotonin A lack of receptor sites able to receive the serotonin that is made Inability of serotonin to reach the receptor sites A shortage in tryptophan

Case study 72-hour pilgrimage, Japan Did not consume water or food Hallucinate after 48 hours Blood sample showed serotonin levels had increased

SSRIs: Most commonly used antidepressant Symptoms Examples: Citalopram (Celexa) Escitalopram (Lexapro) Fluoxetine (Prozac) Paroxetine (Paxil, Pexeva) Sertraline (Zoloft Drugs

References Feature, Colette BouchezWebMD. "Serotonin and Depression: 9 Questions and Answers." WebMD. WebMD, 30 Dec Web. 13 Sept Nordqvist, Christian. "What Is Serotonin? What Does Serotonin Do?" Medical News Today. MediLexicon International, 04 Aug Web. 13 Sept M. Stahl, Stephen. "Serotonin: It's Possible to Have Too Much of a Good Thing/Brainstorms December 1997." Serotonin: It's Possible to Have Too Much of a Good Thing/Brainstorms December N.p., n.d. Web. 13 Sept Crane, John & Hannibal, Jette. “Biological level of analysis: psychology and behavior” Psychology Course Companion. Oxford, 2009.