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Development of nystagmus in response to vestibular stimulation in infants

Nystagmus in response to perotatory stimulation by torsion swing or ice‐cold caloric (ICC) irrigation of the ear canals was studied in 276 infants from birth to 12 months of age. The percentage of positive responses to perotatory stimulation correlated with gestational age and weight at birth during the first 3 months of life and became comparable among groups by 6 months of age. The quality of perotatory nystagmus did not differ among groups.