The Amount of Space Devoted to Each Part of the Body

question 7

Multiple Choice

The amount of space devoted to each part of the body in the motor cortex is _____.

• A) proportional to the actual size of that part of the body
• B) proportional to the complexity and precision of movement of which that part of the body is capable
• C) the same for all body parts
• D) greater for your torso than for your hands

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Definitions:

Voluntary Muscles

Muscles that are under conscious control, allowing movements such as walking, grabbing, or speaking.

Brain Waves

Electrical patterns generated by the brain that can be measured and are indicative of different states of consciousness.

Sleep Duration

The amount of time spent in various stages of sleep during a typical sleep cycle, including both REM and non-REM sleep.

N2 Sleep

A stage of sleep characterized by sleep spindles and K-complexes, marking a deeper sleep than N1 and preceding the deeper states of N3 and REM sleep.