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Lecture 12

2650 Lecture 12: PSYCH 2650 Mental Imagery


Department
Psychology
Course Code
PSYC 2650
Professor
Dan Meegan
Lecture
12

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Wednesday, March 18, 2015
PSYCH 2650
Mental Imagery
-elicit mental images sen in the minds eye or heard in the minds ear (echoic memory)
- fake proof that you’ve been listening to someone but that is long gone.
-or perhaps in the mind’s nose (ex: smelling poop)
Imagery and Memory
When we are mentally visualizing something we use long term memory and working
memory - we use these things deliberately without the strain of hurting it. - perhaps
seeing what two mental rotations are like before actually trying it.
perceptual knowledge: memory for what things look like or sound like
History
Introspection: Galton
-describing images and rate their vividness
-represent this as a view that you are seeing
Individual Differences
-some described them as very vivid and others said they saw no image or that it was
sketchy.
Do individuals differ in the nature of the mental imagery ability
-> perhaps they just differed in descriptiveness - what is needed is a more objective
approach
Chronometric Studies
ask subjects to do something with their images - either scan or transform the image
-> hence, some are more verbal or descriptive (the fact that you can describe something
of the past without looking at it with long term memory could be because you made a
note in your mind and now can verbally describe it.
IMAGE SCANNING STUDY
-the island and the landmarks with the dot and where you have to stop the dot at the
right area of where the landmark is.
-the mental image seems to be a depiction.
Image Transformation
-pairs of 2D pictures and 3D objects - determine if they are the same or not
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