1 MCQs in Medicine for NEET PG
A 28-year-old woman undergoes a screening EEG for evaluation of a single episode of "spacing out." During the awake, eyes-closed portion, the tracing shows a well-formed 10 Hz rhythm maximal over the occipital and parietal regions with bilateral symmetry. The technician then asks her to open her eyes. The structure marked **D** in the diagram—attenuation of alpha with eye opening—is demonstrated when the posterior rhythm abruptly disappears and is replaced by low-voltage fast activity. Which of the following best describes the clinical significance of this finding?
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