Pre-clinicalPhysiology

EEG — Stage N2 Sleep (Sleep Spindles and K-Complexes)

1 MCQs in Physiology for NEET PG

1 Easy

Sample Questions

easy

A 28-year-old healthy adult undergoes polysomnography as part of a sleep research study. The EEG recording shows the waveform marked **A** in the diagram — a rhythmic oscillation at 13 Hz with a waxing-waning morphology lasting 0.7 seconds, seen predominantly over the central scalp leads. Which of the following best describes the physiological significance of this EEG feature?

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