Influences of Behavior Flashcards
Neurotransmitters
Released by neurons to carry a signal
Acetylcholine
NT
used by somatic nervous system to move muscles
Also used by parasympathetic and CNS
Dopamine
NT
Maintains smooth movements and steady posture
Endorphins and Enkephalins
NTs
Natural pain killers
gamma-aminobutyric acid (GABA) and Glycine
NTs
Inhibitory NTs
Act as brain “stabilizers”
Epinephrine and Norepinephrin
NTs
Maintain wakefulness and mediate flight/fight responses
Epi –> hormone
Norepi –> NT
Glutamate
NT
Acts as an excitatory NT
Seratonin
NT
Modulates mood, sleep, eating, and dreaming
Endocrine System –>
Nervous System
tied through HT and the anterior pituitary & hormones
Cortisol
Stress hormone released by the adrenal cortex
Testosterone & Estrogen
Mediate libido.
Testosterone increases aggressive behavior
Both are produced in gonads, released by adrenal cortex
Epi and Norepi (systemic)
Released by adrenal medulla and cause physiological changes associated with the sympathetic nervous system
