English

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Etymology

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Named after Cheves Perky (1874–1940), American psychologist, who carried out a related experiment in which subjects were asked to visualize various objects on a screen while, unknown to them, very faint patches of color resembling these objects were projected onto the screen.

Noun

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Perky effect (plural Perky effects)

  1. The phenomenon whereby sensory input, or perceptions, can be mistaken for a mental image when perceptual processes and mental imagery interfere with each other.
    • 2007, Monica Gonzalez-Marquez, Methods in Cognitive Linguistics, page 286:
      If Perky effects like these are indeed indicative of visual imagery making use of the same neural resources recruited for actual vision, then they can naturally be extended to language processing.

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