What Does an Electromyograph Record

question 21

Multiple Choice

What does an electromyograph record

• A) contractions of the heart 
• B) eye movements 
• C) brain wave activity 
• D) muscular activity and tension

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Definitions:

Meditation

A practice where an individual uses a technique – such as mindfulness, or focusing the mind on a particular object, thought, or activity – to train attention and awareness, and achieve a mentally clear and emotionally calm and stable state.

REM Sleep

The stage of sleep where a person experiences rapid eye movements, dreaming, and paralysis of motor systems; EEGs show beta wave activity, which is also associated with an awake, conscious mind.

Traumatic Brain Injury

Damage to the brain resulting from an impact, which can lead to a wide range of functional impairments.

Concussions

Mild traumatic brain injuries caused by a blow to the head, leading to temporary loss of normal brain function.