1. Serotonin
By Carly and Marisol

2. What is it? Neurotransmitter Tryptophan derivative
Also called 5-hydroxytryptamine (5-HT)
Cannot cross blood-brain barrier
Central nervous system, digestive tract, blood platelets
Functions in mood, emotion, sleep, and appetite
Melatonin production

3. How it works: Vast neurochemical system
Each serotonin neuron control thousands of targets
Relays information
Outside of brain: smooth muscle contraction
Inside: mood, appetite, emotion, etc.

5. What it does Positive feedback
Helps with digestive tract (Contraction)
Helps migraines
Relaxes muscles

6. Hypo-Secretion Too little results in: Depression Mood Disorders
Appetite issues
Imbalance linked to psychological issues
Aggregation
Drug use

7. Serotonin Syndrome Hyper-Secretion
Drugs and alcohol (like cocaine) prevents absorption
“High” effect
Hallucinogenic effects
Ecstasy and LSD