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cognitive psych content > perception 1 > Flashcards

perception 1 Flashcards

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1
Q

what is the aim of perception?

A

acquire knowledge about environment via senses

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2
Q

what is sensation?

A

transform physical stimuli to electrical signals

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3
Q

what is perception?

A

intepret signals for conscious awareness and action

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4
Q

what are the stages of the perceptual process?

A

distal stimuli
proximal stimuli
sensation
perception

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5
Q

what is the distal stimuli?

A

the object

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6
Q

what is the proximal stimuli?

A

inverted image

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7
Q

who said perception is evolutionary?

A

Aristotle

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8
Q

why is perception evolutionary?

A

aids the survival and reproduction of organisms

can seek out desirable objects and avoid dangerous ones

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9
Q

what is touch perception?

A

somatosensory

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10
Q

what is visual perception?

A

visual

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11
Q

what is taste perception?

A

gustatory

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12
Q

what is hearing perception?

A

auditory

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13
Q

what is smell perception?

A

olfactory

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14
Q

what is the truth in perception?

A

true to an extent- or senses wouldn’t evolve
but not necessarily reality

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15
Q

what is an illusion?

A

where perception differs from reality

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16
Q

what can illusions provide insight into?

A

process of sensation and perception

17
Q

what are ambiguous figures?

A

images which can give 2 or more unique perceptions

18
Q

what are ambiguous sounds?

A

produce multiple bistable and stable perceptions eg) Laurel and Yannie

19
Q

what are impossible objects?

A

sensory input is intepreted by the brain as representing physically impossible scenarios

20
Q

what is perception as intepretation?

A

objects are not perceived directly- brain tries to figure out what is there based on available information

21
Q

what is top down processing?

A

use knowledge about the world’s structure to influence perception= conceptually driven

22
Q

what is bottom up processing?

A

using information from the senses to make judgements about the world based on this information= data driven

23
Q

what is the constructivist theory of perception?

A

emphasises top down processing
inadequate information from senses augmented by unconscious inference
illusions best described as rational inferences
Gregory

24
Q

what is the direct theory of perception?

A

emphasises bottom up processing
many cues in the natural world provide information on the structure of the environment
perceiver interacts with environment
Gibson

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