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  1. Norman A. Leopold
  1. Department of Neurology, Hahnemann Medical College, Philadelphia, Pennsylvania, USA

    Gaze-induced laughter

    Abstract

    Pathological laughter was stimulated by pursuit eye movements with a large extramedullary brainstem tumour. Laughter was also evoked by intense direct light. The mechanism by which visual stimuli could induce pathological laughter is discussed.

    https://doi.org/10.1136/jnnp.40.8.815

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      Gaze-induced laughter