Agression/Seratonin Flashcards
What 3 areas involved in mediation of aggression?
Periaquecductal Gray (PAG): WHICH is the motor nuclei of aggression; associated with PAIN
Hypothalamus: ANS
Amygdala: mediates fear/anxiety
What does Serotonin do?
Inhibits aggression!
What predicts risk-taking behaviors in monkeys?
low 5-HIAA levels
What happens with low 5 HT levels in humans?
men w/ lower levels more likely to have relatives with ANTISOCIAL BEHAVIORS
How do we combat lower 5HT levels?
PROZAC baby… decreases irritability and aggression; it’s a serotonin agonist.
What happened 2 editions ago in the book regarding the short allele of 5HT transporter genes?
Showed increased risk of anxiety with short alleles of 5HT transporter gene, but….. recent (2013) says only weak association of serotonin and aggression.
WHAT IS 5-HT?
SEROTONIN