In the Brain,from Childhood to Middle Age,gray Matter ______ and White

question 90

Multiple Choice

In the brain,from childhood to middle age,gray matter ______ and white matter ______.

• A) decreases;increases
• B) decreases;decreases
• C) increases;decreases
• D) increases;increases

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Definitions:

Dermatomes

Areas of skin that are mainly supplied by a single spinal nerve, which are clinically useful in determining levels of spinal cord injuries.

Peripheral Nervous System

The Peripheral Nervous System is the part of the nervous system consisting of the nerves and ganglia outside of the brain and spinal cord.

Top-Down Processing

A cognitive process where perception begins with the brain applying what it knows and expects to perceive and then works downward to the specifics of the input received.

Neocortical Processing

Relates to the functions of the neocortex, a part of the brain involved in higher-order brain functions such as sensory perception, cognition, and motor control.