Neural and Hormone Systems Flashcards
myelin sheath
specialized cells that are wrapped around the axon to help transmit message
Action potential
electrochemical impulses that travels from the cell body down to the end of the axon
Synapse
junction between two neurons
Neurotransmitters
Chemical signal between neurons
What are endorphins
Reduce pain and promote pleasure
what is Dopamine and what is the result of having too much?
affect neurons involved in voluntary movement, reward, learning, memory
schizophrenia
Serotonin
Affects neurons involved in sleep, appetite, mood
epinephrine and norepinephrine
aka adrenaline and noradrenaline
Involved in stress response
sympathetic
increase physiological arousal
stress
fight or flight
parasympathetic
decreases arousal
peace
rest and digest