A Study by Steele and Colleagues Used DTI to Examine

question 25

Multiple Choice

A study by Steele and colleagues used DTI to examine white - matter organization in early - trained versus late - trained musicians. Results indicated which pattern of connectivity?

• A) The size of the posterior corpus callosum increased in early-trained musicians.
• B) The size of the anterior corpus callosum increased in late-trained musicians.
• C) The size of the posterior corpus callosum decreased in early-trained musicians.
• D) The size of the anterior and posterior corpus callosum was equivalent in both groups of musicians.

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Definitions:

Heart Rate

The number of heartbeats per unit of time, usually measured in beats per minute (bpm), indicative of cardiovascular health and physical condition.

Parasympathetic Nerve

A part of the autonomic nervous system that conserves energy as it slows the heart rate, increases intestinal and gland activity.

Sympathetic Nerve

A part of the autonomic nervous system that generally stimulates the body's fight or flight response.

Capillaries

The smallest blood vessels in the body, responsible for the exchange of water, oxygen, carbon dioxide, and other nutrients and waste substances between blood and tissues.