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  • Title: Saccadic ping pong gaze in coma.
    Author: Sieben A, Crevits L, Santens P.
    Journal: Neurologist; 2007 May; 13(3):161-3. PubMed ID: 17495763.
    Abstract:
    In this report, we describe the peculiar eye movements of a young man who became comatose after a head injury. The eyes moved rhythmically from one side to another, without pausing in the lateral positions. This phenomenon has been described as "ping pong gaze" (PPG), referring to short-cycling periodic alternating gaze with smooth eye deviations. In the present patient, however, a saccadic type of PPG could be confirmed by oculography. Possible clinical and pathophysiological implications are discussed.
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