Although a Surface Topographic Map of the Sensory Inputs Is

question 54

Multiple Choice

Although a surface topographic map of the sensory inputs is used to illustrate the disproportionate amount of somatosensory cortex devoted to whiskers, it is more valid to evaluate the underlying cortical ________ of such input.

• A) density
• B) organization
• C) depth
• D) volume
• E) activity

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Definitions:

Dendrites

Branch-like extensions of neurons that receive signals from other neurons for communication within the brain.

Glial Cells

Specialized cells in the nervous system that support, nourish, and protect neurons.

Branching Extensions

Structures, such as dendrites in neurons, that extend from the main body of the cell to increase its ability to form connections with other cells.

Motor Cortex

A region of the cerebral cortex involved in the planning, control, and execution of voluntary movements.