Perception Flashcards

1
Q

as experiences resulting from stimulation of the sensations

A

Perception

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2
Q

concious outcome of sense organs and projection regions.

A

sensation

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3
Q

a mental representation of a stimulus that is perceived.

A

percept

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4
Q

refers to a fact that perceptions are built from sensory input

A

botton up processing

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5
Q

how we interpret sensations influenced by our available knowledge, our experiences, and out thoughts.

A

Top-down processing

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6
Q

we often dont perceive stimuli that remain relatively contant over prolonged periods of time.

A

sensory adaptation

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7
Q

inability to identify a stimulus when it is embeddwd in a distracting background

A

Signal detection theory

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8
Q

4 types pf bottom-up theories

A

Direction perception
template theories
feature theories
recognition by components theory

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9
Q

the information in our sensory receptors is all we need to perceive anything.

A

direct perception

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10
Q

suggest that we have stored in our minds myriad sets of templates.

A

Template theories

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11
Q

4 kinds of demons

A

Image demons, Cognitive demons, Feature demons, Decision demons

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12
Q

Oliver Selfridge’s Pandemonium Model

A

Feature matching/theories

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13
Q

we quickly recognize objects by observing the edges of them and then decomposing the objects into geons

A

Recognition by components theory

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14
Q

absorption of physical energy by receptors

A

reception

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15
Q

translation of physical energy into electrochemical activity

A

Transduction

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16
Q

relationship between aspects of the physical stimulus and resultant nervous system activity

A

Coding

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17
Q

a curved, transparent structure taht serves to provide additional focus

A

Lens

18
Q

the light sensitive lining in the eye

A

retina

19
Q

provide tremendous spatial resolution. they also directly involved in our ability to perceive color.

A

cones

20
Q

are specialized photoreceptors that work well in low light

A

Rods

21
Q

is the transparent covering over the eye

A

Cornea

22
Q

The visible spectrum in humas is associated with wavelength taht range drom _ to _ nm.

A

380-740nm

23
Q

occurs when our perception of an object remains the same even when our proximal sensation of the distal object changes.

A

Perceptual constancy

24
Q

the perception taht an object maintains the same size despite changes in the size of the proximal stimulus

A

size constancy

25
Q

perception that an object maintains the same shape despite changes in the shape of the proximal stimulus.

A

shape constancy

26
Q

the distance of surface, usually using your own body as a reference surface

A

depth (depth perception)

27
Q

there is contradictory depth information in different sections of the picture. looks reasonable but difficult to make sense of the whole image.

A

Impossible configurations

28
Q

cues can be represented in just two dimensions and observed with just one eye

A

monocular Depth

29
Q

cues based on receipt of sensory information in three dimensions form both eyes

A

Binocular Depth

30
Q

the eye combines two images being viewed by individual eyes.

A

stereoscopic vision

31
Q

people tend to segment our visual world into figure and ground. digure is the object or person that is the focus of the visual field, while the ground is the the background.

A

figure-ground relationship

32
Q

A gestalt principle for organizing sensory stimuli into meaningful perception.

A

proximity

33
Q

to group things in our visual

A

similarity

34
Q

it suggests that we are more likely to perceive continuous smooth flowing lines rather than jagged, broken lines

A

continuity

35
Q

it states that we organize our perceptions into complete objects rather than as a series of parts.

A

closure/principle of closure

36
Q

an individual is unable to pay attention to more than one object at a time.

A

Simultagnosia

37
Q

also known as “Face-blindness”

A

Prosopagnosia

38
Q

no color vision at all

A

Rod monochromacy/Achromacy

39
Q

only two of the mechanisms for color perception work and one is malfunctioning

A

Dichromacy

40
Q

troubled seeing greens

A

deuteranopia

41
Q

blues and green can be confused; but yellows also can seem to disappear or to appear as light shades of reds.

A

tritanopia