maya psych 1 - I B Theory of Knowledge: Are We Directly In...

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IB Theory of Knowledge: Are We Directly In Touch With An External World? Direct and Indirect Perception direct = to perceive something without the mediation of any representation of that thing indirect = to perceive something via representation - when object is not directly and immediate present to the senses, but something else is * Many philosophers have felt that we do not perceive the physical world directly. Sense Datum visual sense datum = two-dimensional array of color, a visual image - mental images; images in our minds of the physical objects in the external world - cannot be retinal images size constancy = size of sense datum does not vary as much as the size of the images of the retina (brain makes adjustments to size of retinal image) shape constancy = adjustments in the shape of the retinal image auditory sense datum = sound - mental entities created in the mind after sound waves strike the ear ex.) approaching motorcycle: sound gets louder; car itself is not any louder tactile sense data = touching - mental entities created in the mind after something presses up against skin ex.) putting each hand in different temperatures and then placing them in the same water smell and taste sense data ex.) eating something after brushing teeth
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This note was uploaded on 03/29/2011 for the course PYSCHOLOGY 1101 taught by Professor Cameronmiller during the Spring '11 term at Georgia State University, Atlanta.

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maya psych 1 - I B Theory of Knowledge: Are We Directly In...

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