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Understanding Serotonin: Effects, Imbalance, and Treatment

Learn about serotonin, a neurotransmitter crucial for mood, sleep, and behavior regulation. Discover the impacts of its imbalance, causes, and case studies. Explore SSRIs as common treatments.

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Understanding Serotonin: Effects, Imbalance, and Treatment

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  1. Serotonin

  2. 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

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

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

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

  6. 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

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

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

  9. References • Feature, Colette BouchezWebMD. "Serotonin and Depression: 9 Questions and Answers." WebMD. WebMD, 30 Dec. 0089. Web. 13 Sept. 2013. <http://www.webmd.com/depression/features/serotonin> • Nordqvist, Christian. "What Is Serotonin? What Does Serotonin Do?" Medical News Today. MediLexicon International, 04 Aug. 2011. Web. 13 Sept. 2013. <http://www.medicalnewstoday.com/articles/232248.php> • 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 1997. N.p., n.d. Web. 13 Sept. 2013. • Crane, John & Hannibal, Jette. “Biological level of analysis: psychology and behavior” Psychology Course Companion. Oxford, 2009.

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