Psychology / Unit 2 Psych 0178 short lesson, about 20 seconds
Serotonin
Captions available
The idea
Serotonin is involved in mood, sleep, appetite, and the regulation of arousal.
In practice
Medications that raise available serotonin are a first-line treatment for major depressive disorder.
Where people slip
Low serotonin is not an established cause of depression. The treatment works better than the simple story behind it.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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