As they carry neural messages to the visual centers in the brain, the optic nerves from each eye first come together in the ________; as they continue, ________ of the fibers from each retina remain on the side of the body from which they originated

The trichromatic and opponent-process theories of color vision are not in conflict because each corresponds to ________

a. a different portion of the spectrum b. the opposite half of perceivable colors c. a different stage of visual processing d. one of the types of color blindness

A person cannot remember his personal past or cannot remember what he will be doing in the future. Which kind of memory may account for this?

a. semantic memory b. nondeclarative memory c. implicit memory d. episodic memory