As You Are Taking a Test, You Inadvertently Drop Your

question 269

Multiple Choice

As you are taking a test, you inadvertently drop your pencil, reach down, pick it up, and put it back on the desk. This voluntary action involved motor signals that were communicated out to your muscles via the _____ nervous system.

• A)autonomic
• B)sympathetic
• C)parasympathetic
• D)somatic

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Definitions:

Brain Region

Refers to specific areas within the brain that are responsible for different functions, such as emotion, thought, movement, and sensation.

Split-brain Patients

Individuals who have undergone a corpus callosotomy, a procedure severing the corpus callosum, affecting communication between the brain's two hemispheres.

Visual Field

The total area in which objects can be seen in the periphery while the eyes are focused on a central point.

Corpus Callosum

A thick band of nerve fibers that divides the cerebral cortex lobes into left and right hemispheres, facilitating communication between them.