Psych Unit 3 Flashcards Preview

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Flashcards in Psych Unit 3 Deck (29)
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1

Dendrites

Receive signals from axons of other neurons

2

Cell body

central part that houses nucleus

3

Cell membrane

protects the cell body

4

Axon

cable like tail that conveys signals to other neurons

5

Terminal buttons

When activated, release chemicals into the space around the neurons

6

Synapse

pathway where the sending and receiving takes place

7

Synaptic cleft

Free space between sending and receiving neuron

8

Drugs and other neurotoxins take effect in...

The synaptic cleft

9

Excitatory input

neuron more likely to have a neural impulse

10

Inhibitory input

neuron less likely to have a neural impulse

11

Glial cells

help neurons create synapses and form connections

12

Dopamine

treats Parkinson's, depression, agression

13

Endorphins

treats pain, anxiety, substance abuse

14

Serotonin

modulates sleep, treats obsessive-compulsive, depression also

15

Peripheral nervous system

send and receive info to and from your organs

16

corpus collosum

large bundle of axons connecting the two brain hemis

17

cerebral cortex (gray matter)

outer layer of the brain (2mm)

18

sulci

the creases or 'lines' on the brain

19

gyri

the different little chunks of the brain

20

occipital lobes

back of the head, deal w/ vision

21

temporal lobes

in front of the ears, process sound, story memories, comprehend language

22

parietal lobes

back of the head, process distance, math, and touch

23

frontal lobes

reasoning, emotion, motor control

24

thalamus

control center, routes signals to correct part of brain

25

hypothalamus

regulates heart rate, appetite, emotions, hormones

26

hippocampus

allows you to store new info

27

amygdala

regulates/interprets emotions & facial expressions

28

absolute threshold

smallest amount needed to detect stimulus

29

cocktail party phenom

can hear you name through any amount of noise