Senses Flashcards

1
Q

Illuminance

A

Amount of light to reach an object

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2
Q

Luminance

A

Amount of light reflected by an object

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3
Q

Reflectance Ratio

A

Luminance / Illuminance

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4
Q

Processing - Making sense of stimuli (Bottom Up)

A
  • Analyzing what you can see to determine what is there
  • Disruption results from problems with sensory mechanisms (low light)
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5
Q

Processing - Making sense of the incomplete (Top Down)

A
  • Filling in the blanks when presented with incomplete information
  • Using prior knowledge and expectations, the brain makes assumptions about what it is
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6
Q

Depth Cues when close to objects - Accommodation

A

When an out of focus image triggers a change in lens shape to accommodate

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7
Q

Depth Cues when close to objects - Convergence

A

Amount of inward rotation (cross-eyedness) that muscles in the eyeball must accomplish

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8
Q

Depth Cues when close to objects - Binocular Disparity

A
  • Also called steropsis
  • Depth cue resulting from the closeness of an object causing the view to be different from each eyeball
  • Brain uses disparity signal to estimate how far away the object is
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9
Q

Echoic Memory

A

Human information processing system designed to prolong the duration of the spoken word fro a few seconds

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