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Am J Occup Ther. 2014 Sep-Oct;68(5):514-21. doi: 10.5014/ajot.2014.011031.

Modification of the postrotary nystagmus test for evaluating young children.

Author information

Zoe Mailloux, OTD, OTR/L, FAOTA, is Adjunct Associate Professor, Department of Occupational Therapy, Jefferson School of Health Professions, Thomas Jefferson University, and Professional and Program Development Consultant, 407 Camino de Encanto, Redondo Beach, CA 90277;
Marco Leão is Private Practitioner and Vice President, 7Senses, Integração Sensorial, Porto, Portugal.
Tracy Ann Becerra, PhD, MPH, OTR/L, is Research Associate, Department of Research and Evaluation, Kaiser Permanente Southern California, Redondo Beach, CA.
Annie Baltazar Mori, OTD, OTR/L, is Private Practitioner and Owner, PlaySense Therapy, Torrance, CA.
Elisabeth Soechting, MA, OTR/L, is Private Practitioner and Owner, SPIELSTUDIO Kindertherapie, Vienna, Austria, and PhD Candidate, Faculty of Psychology, University of Vienna.
Susanne Smith Roley, OTD, OTR/L, FAOTA, is Adjunct Clinical Faculty, Division of Occupational Science and Occupational Therapy, University of Southern California (USC), Los Angeles.
Nicole Buss, OTD, OTR/L, is Private Practitioner, Palos Verdes, CA.
Sharon A. Cermak, EdD, OTR/L, FAOTA, is Professor of Occupational Science and Occupational Therapy, Division of Occupational Science and Occupational Therapy, USC, and Professor of Pediatrics, USC Keck School of Medicine, Los Angeles, CA.


This article explores the use of the postrotary nystagmus (PRN) test for children younger than current norms (children 4.0 yr-8.11 yr). In the first study, 37 children ages 4-9 yr were examined in the standard testing position and in an adult-held adapted position to determine whether holding a child affected the reflex. Because the position did not affect the reflex, in the second study, PRN in 44 children ages 2 mo-47 mo was compared with published normative mean raw scores for 44 children age 5 yr to determine whether norms for older children were applicable to younger children. No statistically significant differences were found between <4-yr-old and 5-yr-old children, suggesting that the PRN test can be used in infants and toddlers with valid comparison to current norms for 4-yr-olds on the Sensory Integration and Praxis Tests (4.0 yr-8.11 yr). Future research exploring the predictive value of this measure is warranted.

[Indexed for MEDLINE]

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