06_Mental_Representation

Chicago 41 78 n venice 45 26 n 18 analog necessarily

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Unformatted text preview: y   Then answer questions about the rabbit ▪  Does the rabbit have whiskers? ▪  Does the rabbit have ears? ▪  Does the rabbit have a beak?   Reaction time to answer is measured 16   Which is larger, moose or roach?   Which is larger, wolf or lion?   When objects are similar in size, participants imagine both objects and then compare the size of the objects in their image   Similar results when making comparisons of actual physical objects   The closer in size, the longer the reaction time   Images can be scanned like physical percepts   Mentally scan between objects   Greater distance, longer time to “arrive” at next         Imagine a dot moving from the hut to the tall grass Press button when the dot reaches the tall grass Distance on map predicts time to visualize moving Increasing size of map = increased time 17   Images can be scanned like physical percepts   Mentally scan between objects   Greater distance, longer time to “arrive” at next   Visual image preserves spatial characteristics (relations)   Can be retrieved from images   Analog representations  ­ the mental representation is structured in the same way as the world “out there”   Which is farther north: Chicago, IL or Venice, Italy? Chicago: 41’ 78” N Venice: 45’ 26” N 18   Analog ≠ Necessarily accurate   Not everyone has good mental imagery   Type of imagery related to goals   Tools vs. animals   Embodiment of imagery   Analog imagery can’t account for all mental content   What image for “justice”?   Johnson ­Laird (1980s ­90s)   Mental representations   Propositions...
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