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visual imagery
the mental invention or recreation of an experience that in at least some respects resemble the experience of actually perceiving the object or event TERM 2
there is some debate over whether mental
representations are analog (___) or
propositional (___)
DEFINITION 2 visualverbal TERM 3
Kosslyn's Size
Experiment
DEFINITION 3 picturing an elephant and a bunny or a bunny and a flythe amount of time it takes you to respond about a detail of an imagined picture depend on the size of that image TERM 4
Kosslyn's Map Experiments
DEFINITION 4 memorize significant features of a mapreaction time has a linear relationship with the distance away an object was that Kosslyn told them to shift their attention to TERM 5
alternative view: propositional codes
DEFINITION 5 based on nodes and verbal descriptionsmore nodes will make RT longer
Finke's visual field/activity experiment
method: measure visual acuity for actual or imagined grating at different eccentricities TERM 7
Brook's Interference in an Imagery: two types
of cognitive tasks
DEFINITION 7 visually based = F* showed quickly on screen then they ask you to visually move astrix clockwise around letter and say yes if the corner is at the extreme top or bottom of the letterlanguage based = hear a sentence, start at the beginning of sentence and respond yes for each word that is a noun TERM 8
Brook's Interference in an Imagery: two types
of responses
DEFINITION 8 visually based = point to the 'Y' or 'N'language based = say "yes" or "no" TERM 9
the same neuron can be excited for __
DEFINITION 9 perception and imagery TERM 10
multi-voxel pattern analysis (MVPA)
DEFINITION 10 feed each trial's entire set of voxel activations into a pattern classifier (machine learning algorithm).train the machine to differentiate patterns that equal shoes from those that equal chairs
imaging uses some parts of brain as ___
perception TERM 17
visual
neglect
DEFINITION 17 people with right parietal lobe damage who deny seeing the left half of the worldif you have them draw a clock they only draw the right sideif you show them a burning house only on the left side and ask them if they would stay there they say "no" and when you ask why they say "I don't know"this neglect happens with imagining things and perception TERM 18
areas are active during ___ along with reality
DEFINITION 18 hallucinations TERM 19
how is imagery different from
perception?
DEFINITION 19 order of activation and relative strength of different brain areas may be differentalso imagery relies or recreating an experience from memory TERM 20
mental images are __
DEFINITION 20 not like photographsno detail: penny exampleinitial encoding effects the images we create
