Visual System Worksheet
1. _____ Bill
perceived the cover of his book was red even though the light changed in the
various rooms in which he read the book.
- _____ Mary damaged her cerebral cortex and now perceives the world
in black, white, and grey.
- _____ Phyllis wears only various shades of purple. Her clothes are
many different types of purple, but she only wears ___________ of purple.
- _____ The shade of achromatic color stays the same regardless of
how much sunlight is reflected.
- _____ You go to a lecture and the topic seems to focus on
blue-yellow and red-green perception of color. The lecture is likely
- _____ The afterimage is a red heart. This means the image was
- _____ Each receptor mechanism is sensitive to different elements
of the spectrum and suggests we need various wavelengths for normal color
vision. This is the _____________.
- _____ Which color deficiency is likely a genetic transmission?
- _____ Monochromats do not have functioning ___________.
- _____ Red and blue paints are mixed and the result is purple. This
shows the ____________.
_____ There are basic colors, but the ability to perceive a large
number of colors depends on _____________, _____________, and
- _____ The edge of an illuminated e-reader next to a dark room is
A. Saturation B. Hues C. Color Constancy D. Cones
E. Green F. Subtractive Color Mixture G. Opponent Process Theory of
Edge I. Cerebral
K. Dichromatism L.
Lightness Constancy M. Intensity
Theory of Color Vision
In 200 to 300 words, describe the role of Gestalt principles
in perceptual organization. Explain how these principles help us organize our