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PSYC 213 > Chapter 10: Imagery > Flashcards

Chapter 10: Imagery Flashcards

1
Q

aristotle on imagery

A

imagery is central to thought; you can’t think without an image

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2
Q

watson on imagery

A

imagery doesn’t exist; it’s just over-practiced language

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3
Q

mental imagery

A

our ability to mentally recreate a perceptual experience in the absence of a sensory stimulus

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4
Q

auditory imagery

A

mental imagery for auditory information

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5
Q

tactile imagery

A

mental imagery for tactile information

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6
Q

olfactory imagery

A

mental imagery for olfactory information

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7
Q

can you create imagery for stimuli you’ve never seen?

A

yes

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8
Q

who developed dual coding theory

A

Paivio, 1971

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9
Q

dual coding theory

A

Proposed that human knowledge is represented by an abstract verbal system and a nonverbal imagery system

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10
Q

abstract code

A

an arbitrary symbol system in which the symbols don’t resemble their real-life world referent (ex. the verbal system)

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11
Q

Onomatopoeia

A

a word that resembles the sound it is referring to

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12
Q

analog codes

A

a way to store information that resembles the physical stimulus being stored

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13
Q

imagery debate

A

a theoretical debate among cognitive psychologists about whether images are stored as pictures in our mind or as propositions

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14
Q

depictive representations

A

analog codes that maintain the spatial and perceptual characteristics of physical objects

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15
Q

who argues for depictive representations?

A

Stephen Kosslyn

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16
Q

descriptive representations

A

symbolic codes that convey abstract conceptual information and do not resemble their real-world referent

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17
Q

who argues for descriptive representations?

A

Zenon Pylyshyn

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18
Q

epiphenomena

A

byproducts of more fundamental cognitive processing

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19
Q

propositions

A

an idea unit that can be verified as true or false

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20
Q

what theory describes mental images as epiphenomena & propositions

A

descriptive representations

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21
Q

who used mental scanning

A

Kosslyn

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22
Q

mental scanning experiment findings

A

participants memorize a drawing of a map with 7 different landmarks. They were told to visualize one of the landmarks then scan their mental image until they arrived at another landmark. Found that there was a positive linear relationship between scanning time and distance on the image

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23
Q

what theory does mental scanning find evidence for?

A

Because the number of properties remained constant, Kossly concluded that this could be attributed to depictive representations

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24
Q

mental rotation findings

A

Found that the more rotated an image was, the longer took to compare them

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25
Q

how quickly can the brain rotate images?

A

60 degrees/sec

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26
Q

what theory does mental rotation find evidence for?

A

depictive representations

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27
Q

who conducted mental scaling experiments?

A

kosslyn

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28
Q

mental scaling findings

A

Found that when an image was smaller, it was more difficult to search for features, suggesting that imagery is preserving the features of what it represents

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29
Q

what theory does mental scaling find evidence for?

A

Demonstrates that images are processed similarly to real objects, providing evidence for depictive representation

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30
Q

relationship between perception and imagery

A

people can mistake their perception for imagery

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31
Q

do auditory and visual perception share the same mechanisms?

A

visual imagery interferes with visual perception and auditory imagery interferes with auditory perception, supporting the claim that imagery and perception share the same mechanisms

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32
Q

synchronous trials and imagery (Farrah, 1985)

A

showed participants very faint pictures of either the capital letters T or H or nothing while they were performing a visual imagery task. Found that participants were more accurate at detecting the same letter that they were imagining, demonstrating that imagery can facilitate perception

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33
Q

motion aftereffects

A

a type of visual illusion that occurs after exposure to motion in one direction in which a static scene appears to move in the opposite direction of the previously viewed movement

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34
Q

motion and imagery (Winawer et al., 2010)

A

had participants imagine motion in one direction for 60 seconds., found that imaging motion was enough to create a motion aftereffect

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35
Q

effect of visual stimulus detection on imaging

A

Participants’ ability to detect a visual stimulus decreased when imagining a visual image and stayed the same when imagining an auditory image

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36
Q

falsification

A

a key principle in science where theories are tested to prove they are false

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37
Q

Reed’s counter-evidence of depictive representations

A

had participants memorize pictures and indicate whether new figures were part of the original ones based on their memory. Found that accuracy was not consistent for all shapes, indicating that participants may have been storing verbal labels of the shapes

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38
Q

experimenter expectancy

A

a technique in which an experimenter may unconsciously communicate to participants the expectations about the results, and in turn cause the participants to behave in accordance with their expectations

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39
Q

demand characterisitcs

A

subtle cues in experimental tasks or instructions that may bias participants’ behaviour

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40
Q

Pylyshyn on Kosslyn’s results

A

Pylyshyn argued that Kosslyn found a relationship between distance and time in the map experiment because of demand characteristics and experimenter expectancy

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41
Q

experimenter expectancy (Intons-Peterson, 1983)

A

trained 4 undergraduate research assistants to test participants using mental rotation and image scanning. She told 2 of them that she expected reaction times would be slower for imagery tasks and told the other 2 the opposite. Found that despite the experimenters reading the same script, the results ended up matching the research assistants’ expectations.

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42
Q

Patient TC

A

suffered from cortical blindness after a car accident left him with damage to his occipital and temporal lobes. As a result, he suffered from similar deficits in both perception and imagery abilities.

43
Q

patient PB

A

suffered from cortical blindness following damage to his occipital cortex, but performed normally on imagery tasks.

44
Q

madame D

A

suffered damage to a portion of her brain bordering the occipital and temporal lobes due to multiple strokes. Despite visual impairments, her visual imagery remained unimpaired. She could see and copy drawings but was unable to recognize everyday objects.

45
Q

patients with imagery loss and drawings

A

They can copy drawings, but can’t draw from memory.

46
Q

Kosslyn neuroimaging study

A

used PET to record the activity of cells in V1 while participants were memorizing pictures of black and white stripes. Found that imagining the lines activates V1 just like viewing the lines does. When TMS was used to disrupt the V1 cells, participants were less accurate at making judgments about the lines when viewing and imagining them

47
Q

Parahippocampal place area (PPA)

A

a brain region located in the inferior temporal lobe that responds preferentially to scenes of places and buildings

48
Q

PPA & imagery study

A

found that the PPA is more active when viewing places and the FFA is more active when viewing faces. The same trend was found for imaging, but the activation was stronger when viewing.

49
Q

activation of processing areas during imagery

A

During visual imagery, other non-visual sensory processing areas are deactivated because imagery is more fragile than perception

50
Q

brain activity during imagery vs. perception

A

The front of the brain showed the most similarity in activity during visual perception and imagery tasks

51
Q

imagery vs. perception (Dijkstra et al., 2017)

A

what distinguishes imagery and perception is that during imagery, higher-level brain areas near the front of the brain send top-down signals to perceptual processing areas near the back of the brain

52
Q

brain activity and imaging study (Ragni et al., 2020)

A

showed participants drawings and asked them to imagine them. They were able to accurately predict what participants were imaging based on previously observed brain activity when viewing the objects.

53
Q

Generative Adversarial Networks (GANs)

A

Artificial neural nets that are put in competition with each other in which one network (generator network) tries to generate images and the other tries to pick out the artificially generated images from real images (discriminator network)

54
Q

picture superiority effect

A

Memory is better when items are stored as pictures compared to words

55
Q

Paivio

A

when we see a picture, we automatically create a visual representation and give it a verbal label. When we read a word, we only generate the verbal label

56
Q

The concreteness effect

A

occurs when concrete words are remembered better than abstract words because they are easier to imagine visually

57
Q

concreteness effect study (Parker & Dagnall, 2009)

A

had participants try to remember both abstract and concrete words while viewing either static visual noise or dynamic visual noise. Found that participants in the DVN condition remembered the concrete and abstract words equally, while SVN participants demonstrated the concreteness effect

58
Q

is imagery easy to control?

A

no, it can occur uncontrollably and invasively

59
Q

imagery vs. verbal processing and emotions

A

Imagery is more effective at evoking emotional reactions than verbal processing is

60
Q

what type of imagery is associated with PTSD

A

PTSD is associated with negative intrusive imagery where people respond as though they are re-experiencing the event

61
Q

who is more likely to experience intrusive images after negative events

A

People who score higher on measures of imagery vividness (realer images) are more likely to experience intrusive images after negative events

62
Q

what type of imagery is linked to anxiety and depression

A

Anxiety and depression are linked to increased experiences of negative imagery

63
Q

depression and positive imagery

A

Depression is linked to a decrease in the vividness and frequency of positive imagery

64
Q

image rescripting

A

a technique used to treat anxiety and depression in which patients are guided through memories of past negative traumatic experiences and instructed to imagine their younger selves acting in a way they wish they could’ve during the event

65
Q

Vividness of Visual Imagery Questionnaire (VVIQ)

A

a self-report questionnaire designed to measure the vividness of a person’s visual imagery

66
Q

Paper-Folding Test (PFT):

A

a performance-based objective task in which a person is asked to mentally unfold a piece of paper with a hole in it to determine where the hole would be on the unfolded paper

67
Q

patient MX

A

claimed to have lost the ability to form visual images after undergoing cardiac surgery. fMRI revealed that brain areas typically activated during imagery (visual cortex and fusiform gyrus) were inhibited when MX tried to create visual images

68
Q

Congenital aphantasia

A

the inability to form mental images in the absence of brain injury

69
Q

what % of the population is affected by aphantasia?

A

1-3%

70
Q

spatial ability in patients with aphantasia

A

Spatial ability is average or above average

71
Q

autobiographical memory & facial recognition in patients with aphantasia

A

Difficulties recalling autobiographical memories and recognizing faces

72
Q

hyperphantasia

A

extreme visual imagery

73
Q

is hyperphantasia or aphantasia rare?

A

hyperphantasia is rarer than congenital aphantasia

74
Q

autobiographical memory in patients with hyperphantasia

A

high autobiographical memory

75
Q

careers for people with hyperphantasia vs. aphantasia

A

Those with congenital aphantasia were more likely to be scientists or mathematicians and those with hyperphantasia were more likely to be employed in creative professions

76
Q

who introduced imagery as a way to improve memory?

A

The ancient Greeks

77
Q

vividness

A

How clearly we can create an image in our mind’s eye

78
Q

effect of familiarity on vividness

A

Familiarity may enhance the vividness of mental images

79
Q

vividness of imagery for musicians

A

Musicians seem to hear musical imagery more often than non-musicians

80
Q

does the vividness of imagery vary

A

yes, the vividness of mental images varies across individuals and contexts

81
Q

two categories of individual differences in imagery

A

When recalling past personal events, some people tend to do this primarily with visual images and others with words (visualizers and verbalizers)

82
Q

visualizers vs. verbalizers for visual imagery

A

For visual imagery, visualizers and verbalizers don’t differ in their imagery scores

83
Q

visualizers vs. verbalizers for auditory imagery

A

for auditory imagery, verbalizers score better than visualizers

84
Q

exception to dual coding theory

A

onomatopoeias

85
Q

is dual coding theory a theory for imagery?

A

While this theory was useful for thinking about imagery, it was proposed as a theory for how we represent thoughts more generally

86
Q

Stephen Kosslyn

A

Imagery is an analogue form of representation (depictive representation theory)

87
Q

Zenon Pylyshyn

A

Imagery is a byproduct of a symbolic code (propositional theory)

88
Q

judgment of muscial tones experiment

A

Participants were faster at responding when the tone was played by the same instrument.

89
Q

auditory imagery vs. perception experiment

A

Found that people were faster at saying that two notes were the same when the perceived timbre was consistent with the hard timbre

90
Q

fMRI and auditory imagery studies

A

Found that similar brain areas are active during auditory imagery as during auditory perception.

91
Q

fMRI and visual imagery studies

A

showed that visual imagery and perception tasks evoked activity in the primary visual cortex (V1)

92
Q

2 main forms of evidence against depictive representation

A
  • If imagery is a depictive representation, participants should easily be able to identify components of memorized images, but this isn’t the case.
  • There is evidence from patients with brain damage that imagery may not entirely rely on the same neural mechanisms
93
Q

Highben & Patmer, 2004 imagery and memory experiment conditions

A

Two practice conditions:
1. Normal performance feedback: play normally through the piece of music
2. Motor-only performance feedback: play through the piece of music without hearing their performance; imagine what it sounds like
Two performance conditions:
1. Auditory-only performance feedback: hear the piece of music, imagine what the movements feel like
2. No performance feedback: imagine what the piece of music sounds like and what the movements feel like

94
Q

Highben & Patmer, 2004 low on auditory imagery condition findings

A

memory performance decreases as feedback available at practice decreases

95
Q

Highben & Patmer, 2004 high on auditory imagery condition findings

A

auditory imagery compensates for a lack of feedback, not as much of a decrease in performance

96
Q

what form of imagery is best remembered

A

Items represented as images are better remembered than those represented as words, but this effect is disrupted after a period of watching dynamic visual noise

97
Q

imagery and mental health

A

Negative imagery seems to be linked to the severity of several psychological disorders, including anxiety, depression, and PTSD

98
Q

synesthesia

A

A sensory experience in which a stimulus in one sensory modality also invokes a response in one or more other sensory modalities

99
Q

Chromatesitha

A

the most common experience among synesthetes where a sound is linked to a particular colour

100
Q

synesthesia and musical imagery

A

Participants with chromesthesia and absolute pitch have reported that their chromesthesia aids their memory for specific pitches and music

101
Q

amusia

A

Deficits in musical abilities; also called tone-deafness

102
Q

imagery in patients with amusia

A

People with amusia have been shown to have deficits in visual/spatial imagery

103
Q

mental rotation task in patients with amusia

A

In a mental rotation task, musicians and non-musicians perform similarly, but amusic participants have much greater errors. Those who have more severe amusia make more error

104
Q

does imagery from different sensory domains interact

A

yes

PSYC 213 (14 decks)

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