שאלה משלב א׳ בנוירוכירורגיה · מועד 2026, שאלה 70

Correct: A — the third nerve nucleus is not involved in locked-in syndrome, which is why preserved vertical eye movement and blinking remain the patient's only means of communication. Options B, C and D are each involved in the ventral pontine lesion, which damages the facial nucleus, the bilateral corticospinal tracts and the abducens nucleus, abolishing horizontal gaze.

מקור: Youmans & Winn 8th ed., Vol. 4, Ch. 405, p. 3221