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biological

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head nystagmus

head nystagmus Head nystagmus is an involuntary eye movement triggered by moving the head, reflecting vestibular input from the semicircular canals.

Head nystagmus is an involuntary eye movement triggered by moving the head, reflecting vestibular input from the semicircular canals. Depending on the axis of head rotation, it may appear as horizontal, vertical, or torsional eye movement.