1 MCQs in Physiology for NEET PG
A 10-year-old boy undergoes routine EEG for evaluation of suspected seizures. During the activation procedure, high-amplitude generalized rhythmic delta slowing appears over the frontal and frontocentral regions, maximal at 2 Hz. The pattern shown as **A** in the diagram develops progressively over 3 minutes and completely resolves within 60 seconds after the procedure is stopped. Which of the following best explains the physiological mechanism underlying this normal buildup phenomenon?
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