Psychology U3 Mod 9 (15) Flashcards
Study of links between biological and psychological processes
Biological Psychology
A neuron’s branching extension
Dendrites
Fatty tissue that insulates neurons
Myelin sheath
a period of inactivity (after a neuron has fired)
Refractory Period
A neuron’s decision to fire or not
all-or-none response
chemical messengers that cross between neurons
Neurotransmitters
A nerve cell
Neuron
A neuron extension that sends messages
Axon
An electrical charge down an axon
action potential
A minimum level to trigger
Treshold
A junction between an axon tip and receiving neuron
Synapse
A neurotransmitter’s reabsorption
Reuptake
Neurotransmitters that control pain and pleasure
Endorphins
A molecule that prevents a response
Antagonist
A molecule that stimulates a response
Agonist