UNIT 3 KEY TERMS
Forced-choice preferential looking
- Teller (1970): Gave infant 2 stimuli, one was plain, one striped
- Adult observer looks at tiny hole through which they can see infant but not stimuli
- You can ask the observer
Motion detector (neural)
Motion after effect
Aperture problem (local vs. global motion)
Uses of motion:
Perceive moving objects
Perceive Motion-defined form
Navigation by optic flow
Control of smooth p
*Infant contrast sensitivity is not as good as adults. (See image)
*Retina developed over first years of life. (can map out age through cells in eye)
Teller forced choice preferential looking.
Q: where is grating?
The infants power to distinguish stripes.
True and Maunsell 1996: Neurons in MT: area in monkeys cortex. Directionally
selective cells cells respond to motion (the direction of speed/time).
1. Find neuron: Have one cell, which fires vigorously (bottom of neuron)
Color: 3 attributes
Vision mediated by cones
Isaac Newton (1675) Experiment: what made up sunlight (See graph)
Passed sun light through a small hole then through a prism. Then, took a
piece of paper and put it on the floor, and