Senses Flashcards
1
Q
Illuminance
A
Amount of light to reach an object
2
Q
Luminance
A
Amount of light reflected by an object
3
Q
Reflectance Ratio
A
Luminance / Illuminance
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)
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
6
Q
Depth Cues when close to objects - Accommodation
A
When an out of focus image triggers a change in lens shape to accommodate
7
Q
Depth Cues when close to objects - Convergence
A
Amount of inward rotation (cross-eyedness) that muscles in the eyeball must accomplish
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
9
Q
Echoic Memory
A
Human information processing system designed to prolong the duration of the spoken word fro a few seconds