-The Primary Somatosensory Cortex

question 66

Multiple Choice

-The primary somatosensory cortex

• A) maps the distribution of somatic receptors on the body.
• B) consists of white matter.
• C) contains interneurons.
• D) devotes the largest region to body parts with the greatest sensory acuity.
• E) includes all EXCEPT "consists of white matter."

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Definitions:

Sensory Organs

Parts of the body that contain receptors and structures necessary for processing sensory information, allowing perception of the environment.

Eyes

Organ of vision in humans and other organisms that allows the perception of light, shapes, and colors through a complex process of light detection and signal transmission to the brain.

Compound Eyes

Eyes that consist of thousands of small, individual photoreceptor units, common in insects and crustaceans, providing a wide angle of vision.

Insect

A small arthropod animal that has six legs and, generally, one or two pairs of wings.