Humans Can See Several Thousand Shades of Color but Have

question 87

Multiple Choice

Humans can see several thousand shades of color but have cone photoreceptors that are sensitive to only three (perhaps four) wavelengths of light.What is the best explanation for why we see so many colors?

• A) Color perception is achieved by activation of various combinations between the three cone types.
• B) Color perception is dependent on the millions of rods as well as cone photoreceptors.
• C) Shades of color are purely psychological and learned by association with age, infants only seeing in black and white.
• D) Colors are added and enhanced in the primary visual cortex of the brain.

Analyze trends and income levels in health occupations.

Understand the relationship between health occupations and societal issues.

Recognize the employment growth prospects in the health sector.

Understand the impact of psychological and emotional factors on healthcare professionals.

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Definitions:

Divided Consciousness

A psychological state in which one's consciousness is split into distinct components, possibly during hypnosis or multitasking.

Hilgard

Ernest R. Hilgard was a prominent psychologist known for his research on hypnosis and pain control.

Psychoactive Drugs

Substances that affect the mind, mood, or behavior by altering the chemical processes in the brain.

Insomnia

A sleep disorder characterized by difficulty falling asleep, staying asleep, or experiencing restorative sleep, leading to daytime impairment.