Vision

Question 1

Light

Answer 1

A form of electromagnetic radiation; moves in waves

Question 2

Visible Light

Answer 2

represents a small portion of the electromagnetic spectrum, which includes microwaves, radio waves, etc.

Question 3

visible spectrum

Answer 3

in the visible spectrum of light all the colors within light blend together, making it appear white

Question 4

Wavelength

Answer 4

the longer a wave, the less often it occurs, affecting color perception (red = 700, yellow=600)

Question 5

Amplitude

Answer 5

the size or height of the wave affects the brightness, hue, or intensity we perceive

Question 6

How does the eye transform light energy into neural messages?

Answer 6

The negative after-image occurs because your sensory receptors for green, black, and yellow become fatigued; neuronal firing rates shift, allowing the complimentary colors of each to predominate when you stare at the white paper