New Study Supports Uniqueness of Sensory Processing Disorder
- Signs of negative temperament or distress reactions (e.g., anger, sadness, and more troublesome to sooth) and fear (e.g., fearful of objects and social situations in contrast to finding many situations pleasurable) were moderately correlated with auditory and tactile SOR symptoms.
- Prenatal complications significantly predicted tactile SOR symptoms. However, birth weight, length of stay in NICU, birth complications, neonatal complications, and neonatal morbidity were not associated with either tactile or auditory SOR.
- Girls with a male co-twin showed greater SOR at age two years than same-sex female dizygotic twins, suggesting a possible increase risk associated with in utero testosterone exposure.
- Both auditory and tactile SOR domains were heritable. Each SOR domain had a similar genetic relationship with temperamental fear and negative affect.
- A majority (58.2%) of individuals who screened positive for SOR did not qualify for a DISC diagnosis (Diagnostic Interview Schedule for Children; ADHD, conduct disorder, oppositional defiant disorder, agoraphobia, general anxiety, obsessive-compulsive disorder, panic disorder, separation anxiety, social phobia, specific phobia, depression, enuresis, trichtollomaniatics, selective mutism, pica).
- A majority (68.3%) of individuals who screened positive for a DISC diagnosis did not screen positive for SOR.
- Children who screened positive for SOR only and typical children had similar rates of physical health problems.
- Keuler MM, Schmidt NL, Van Hulle CA, Lemery-Chalfant K, Goldsmith HH (2011). Sensory overresponsivity: prenatal risk factors and temperamental contributions. Journal of Developmental & Behavioral Pediatrics, 32(7):533-541.
- Van Hulle CA, Schmidt NL, Goldsmith HH (2011). Is sensory over-responsivity distinguishable from childhood behavior problems? A phenotypic and genetic analysis. Journal of Child Psychology and Psychiatry, [Epub ahead of print].
- Schoen SA, Miller LJ, Green KE (2008). Pilot study of the sensory over-responsivity scales: Assessment and inventory. American Journal of Occupational Therapy, 62:393-406.
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