Items with content outside of the domain of sensory modulation were eliminated. Limited to ASD, and 37 with typical development (TD). Years: 21 with clinically diagnosed Sensory Modulation Disorder (SMD), 24 withДЇragile X Syndrome, 35 with other developmental disabilities, including but not Questionnaires completed by the caregivers of 117 children aged 3вЂ“17 The 38-item SSP was derived from psychometric analyses of SP On score percentiles from a large normative sample of children without Sensory abnormality (Typical, Probably Difference, or Definite Difference) based The score on each subscale can be used to classify childrenвЂ™s level of SSP contains 38 items organized into seven subscales. Questionnaire (SP Dunn, 1999) originallyДeveloped as a screening tool to identify children with sensory processingДifficulties ( McIntosh et al., 1999).

The SSP is a shortened form of DunnвЂ™s Sensory Profile caregiver The Short Sensory Profile: Development and Prior Studies Miller, Shyu, & Dunn, 1999) in a large sample of children with Measure, the Short Sensory Profile (SSP McIntosh, Thus, the current study aims to supplement the existing literatureД«y evaluating the structure and psychometric properties of a commonly-used sensory Supporting the reliability and validity of these instruments in the ASD populationДў017).

Subtypes is a laudable goal, it is hampered by the large number of instrumentsД¬reated to measure sensory features and the relative dearth of empirical studies Although the fractionation of ASD into sensory To assess sensory symptoms (for a review, see DeBoth Unfortunately, these investigations have produced disparateД¬lassification schemes that seem to be largely dependent on the questionnaire used Of individuals with ASD based on reported sensory symptoms ( Ausderau et al., 2014a, 2016 Ben-Sasson et al., 2008 Дў017 Lane Young, Baker, & Angley, 2010 Lane, Dennis, & Geraghty, 2011 Lane, Molloy, & Bishop, 2014b Liss, Saulnier, Fein, & Kinsbourne, 2006 UljareviД‡, Lane, Kelly, & Leekam,Дў016). Studies that utilize cluster analysis or Gaussian mixture models to define subgroups Perspective has become increasingly popular in recent years, with a proliferation of Sensory processing are used to stratify ASD into clinically meaningful subgroups Some researchers have advocated for taking an вЂњindividual differencesвЂќДЄpproach, whereby within-group variation is emphasized, and specific patterns of In light of the clinical heterogeneity of sensory features and of ASD itself, However, findings across studies are extremely heterogeneous, frequentlyД¬ontradictory, and do not converge on a specific pattern of sensory features as a Mostofsky, & Puts, 2018 Moore 2015 Robertson & Baron-Cohen, 2017 Schauder & Bennetto, 2016). Marianowski, Misery, & Lemonnier 2017 Hazen, Stornelli, OвЂ™Rourke, Koesterer, & McDougle, Numerous studies haveДemonstrated ASD-control differences in sensory processing across modalities andДЄssessment instruments ( Baum, Stevenson, &

With autism spectrum disorder (ASD) and are now considered a defining feature of theД¬ondition (American Psychiatric Association, 2013). Atypical responses to sensory stimuli have long been observed in individuals

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