A Decrease in REM Sleep in Older Adults Is Thought

question 94

True/False

A decrease in REM sleep in older adults is thought to contribute to cognitive decline.

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Definitions:

Myelin

A fatty substance that surrounds and insulates the axons of many neurons, enabling faster transmission of electrical signals.

Nerve Impulse

An electrical signal that travels along the nerve fibers, facilitating communication between neurons or between neurons and muscles.

Midbrain

In mammals, the part of the brain located below the thalamus and above the pons.

Pons

A part of the brainstem that links the medulla oblongata and the thalamus, playing a key role in controlling breathing, communication between different parts of the brain, and sensations such as hearing and taste.