AP PSYCHOLOGY MID TERM Flashcards Preview

Junior Year > AP PSYCHOLOGY MID TERM > Flashcards

Flashcards in AP PSYCHOLOGY MID TERM Deck (91)
Loading flashcards...
0

CAT Scan

creates a computerized image of x-rays passed through various angles of the brain

1

PET Scan

tracers are injected into the blood

2

MRI

sends pulses of radio waves through brain tisue, allowing computer to construct images

3

f-MRI

detects an increase in oxygen that occurs in an area of heightened neural activity

4

EEG

provides info about brains electrical activity (brain waves)

5

Afferent Neurons

carry impulses toward the CNS

6

Efferent Neurons

carry impulses away from the CNS

7

Dendrites

receive messages from other cells

8

axon

the extension of a neuron

9

terminal branches

messages pass to other neurons

10

myelin sheath

covers axon, speed neural impulses

11

action potential

the signal that travels down the neuron

12

resting potential

neuron that is not firing (at rest)

13

sodium potassium pump

what activates different impulses

14

all or none law

neurons either fire or they dont

15

refractory period

period of time after a nerve impulse where it cant refire

16

peripheral nervous system

links the CNS with the body's sense receptors, muscles, and glands

17

central nervous system

brain and spinal cord

18

autonomic nervous system

PNS controls glands and muscles of the internal organs

19

somatic nervous system

the division of Peripheral nervous system that controls body's skeletal muscles

20

sympathetic nervous system

division of autonomic nervous system that arouses the body

21

parasympathetic nervous system

the division of the autonomic nervous system that calms the body

22

amygdala

emotion

23

hypothalamus

maintenance functions and reward

24

thalamus

relays messages between lower brain centers and cerebral cortex

25

Broca's area

speech

26

wernicke's area

speech comprehension

27

hippocampus

memory

28

aphasia

impairment of language

29

plasticity

brain's ability to adapt or something isn't working