You Don't Consciously Perceive a Brief Masked Visual Stimulus,but You

question 148

Multiple Choice

You don't consciously perceive a brief masked visual stimulus,but you do perceive a slightly longer one,which seems to have lasted the entire duration.What is the implication of this result?

• A)Consciousness depends on connections between the brain and the spinal cord.
• B)You sometimes construct a perception after a stimulus, not while it is occurring.
• C)Unconscious mental processes can complete complex reasoning.
• D)You need to have equal activity in both hemispheres of the brain to be conscious.

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Definitions:

Foveal Region

The central portion of the retina, where visual acuity (sharpness of vision) is highest, enabling detailed vision.

Cones

Retinal photoreceptor cells critical for seeing colors and performing most effectively in bright lighting conditions.

Color Vision

The ability of the eye to distinguish objects based on the wavelengths of the light they reflect, transmit, or emit.

Visual System

The part of the central nervous system which gives organisms the ability to process visual detail, enabling the formation of images.