A Technique in Which More Than Two Dozen Electrodes Are

question 7

Multiple Choice

A technique in which more than two dozen electrodes are placed at important locations on the scalp and they then record the brain's electrical activity in a way that is converted by a computer into colored images on a TV screen and used to detect abnormal cortical activity such as that occurring during an epileptic seizure is ________.

• A) magnetoencephalography (MEG)
• B) the electroencephalograph (EEG)
• C) positron emission tomography (PET) scanning
• D) magnetic resonance imaging (MRI)

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Definitions:

Meningitis

An inflammation of the protective membranes covering the brain and spinal cord, potentially caused by infection.

Bulging Anterior Fontanel

An abnormal outward curving of the soft spot on a baby's skull, which can indicate increased intracranial pressure or other health issues.

Photophobia

An abnormal intolerance or sensitivity to light, causing discomfort or the urge to avoid bright light sources.

Unmyelinated

refers to nerve fibers that lack a myelin sheath, resulting in slower signal transmission compared to myelinated fibers.