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Psychology > Biological bases > Flashcards

Biological bases Flashcards

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1
Q

Positive voltage shift that increases the likelihood that the postsynaptic neuron will fire action potentials

A

EPSP

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2
Q

Negative voltage shift that decreases the likelihood that the postsynaptic neuron will fire action potentials

A

IPSP

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3
Q

Contribute to the regulation of attention, arousal, and memory

A

Acetylcholine

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4
Q

Contribute to control of voluntary movement and reward pathway

A

Dopamine

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5
Q

Modulation of mood and arousal

A

Norepinephrine

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6
Q

Regulation of sleep and wakefulness, eating, aggression

A

Serotonin

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7
Q

Pain relief and response to stress

A

Endorphins

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8
Q

inhibitory transmitter, contributing to regulation of anxiety and sleep/arousal

A

GABA

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9
Q

Guides migration and growth of immature neurons

A

radial glia

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10
Q

Involves destroying a piece of the brain

A

Lesioning

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11
Q

Bundle of fibers that connects the cerebral hemispheres is cut to reduce the severity of epileptic seizures

A

split-brain surgery

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12
Q

large magnet, no radiation, gives structural information

A

MRI

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13
Q

Gives structural info; multiple x ray scans

A

CT scan

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14
Q

radioactive synthetic glucose; measures blood flow; gives functional info

A

PET scan

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15
Q

measures blood flow and oxygen; gives both structural and functional info

A

fMRI

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16
Q

includes thalamus, hypothalamus, limbic system, and cerebrum

A

forebrain

17
Q

Found near base of forebrain and is involved in regulation of basic biological needs

A

hypothlamus

18
Q

Consists of medulla, cerebellum, and pons

A

hindbrain

19
Q

connects brainstem with cerebellum, and is involved in sleep and arousal

A

pons

20
Q

Contains the amygdala, hippocampus, and pleasure centers

A

limbi system

21
Q

Production of speech

A

Broca’s area

22
Q

comprehension of languag

A

Wernicke’s area

23
Q

Hemisphere better at language, speech, reading, and writing

A

Left hemisphere

24
Q

Hemisphere better at spatial, musical, and visual recongition

A

Right hemisphere

25
Q

assess hereditary influence by examining blood relatives to see how one resembles another on a specific trait

A

Family studies

26
Q

Assess hereditary influence by comparing the resemblance of identical twins and fraternal twins with respect to a trait

A

Twin studies

27
Q

Study of heritable changes in gene expression that do not involve modifications to the DNA sequence

A

Epigenetics

Psychology (9 decks)

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