The Center-Surround Arrangement of Visual Fields Contributes to the Eye

question 270

Multiple Choice

The center-surround arrangement of visual fields contributes to the eye being

• A) an absolute-intensity detector.
• B) insensitive at low illumination.
• C) a contrast detector.
• D) insensitive to low amplitude light waves.

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Definitions:

Anxiety

A feeling of worry, nervousness, or unease about something with an uncertain outcome, often accompanied by physical symptoms.

Hallucinations

Perception-like experiences that occur without an external stimulus, vivid and clear with the full force and impact of actual perceptions, and not under voluntary control.

Threatening Voices

Auditory hallucinations that involve hearing voices or sounds perceived as menacing or intimidating to the individual.

Drown

To die by submersion in and inhalation of water.