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The sleep spindle is an episodic rhythm with:

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Scalp EEG signal amplitudes are always measured in microvolts ($\mu$V), never millivolts (mV). A sleep spindle is a burst of activity centered around 12–14 Hz with an amplitude of roughly 50 $\mu$V.

Updated On: Jun 23, 2026

30 Hz frequency and 50 mV amplitude
14 Hz frequency and 50 $\mu$V amplitude
50 Hz frequency and 50 $\mu$V amplitude
60 Hz frequency and 50 mV amplitude

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The Correct Option is B

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The sleep spindle is an episodic rhythm with:

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The Correct Option is B

Solution and Explanation

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