Why children develop SPDs is not clearly understood. The brain functions in these children may be different, and there may be a hereditary component to SPDs. Prenatal environment, including an exposure to alcohol stress hormones, may also increase the risk of SPDs.
Certainly early infanthood experiences may be related to SPDs. Babies who have difficulty with sleep and feeding patterns and are unable to calm themselves are more like to have sensory processing problems as toddlers .
Children living in an underprivileged environment, such as orphanages, are also at an increased risk of SPDs. Parents of Romanian orphans reported that 18 % of their children were hypersensitive to stimuli and another 11 % inappropriately under-responded to stimuli. Studies found that children who spent the first 12 months to 24 years in an orphanage had more problem behaviors and were the most likely to have sensory processing problems. Even when the children’s physical needs are met in an orphanage, including good medical care and proper nutrition, the lack of consistent care and stimulation can lead to sensorimotordelays.
References
Ahn, R. R., Miller, L. J., Milberger, S., & McIntosh, D. N. (2004). Prevalence of parents’ perceptions of sensory processing disorders among kindergarten children. The American Journal of Occupational Therapy, 58(3), 287-293. Retrieved from http://www.spdfoundation.net/pdf/ahn_miller.pdf
Ben-Sasson, A., Carter, A. S., & Briggs-Gowan, M. J. (January 20, 2009). Sensory over-responsibility in elementary school: Prevalence and social-emotional correlates. Journal of Abnormal Child Psychology, 37, 705-716. doi: 10.1007/s10802-008-9295-9
Bundy, A. C., Shia, S., Qi, L., & Miller, L. J. (2007). How does sensory processing dysfunction affect play? The American Journal of Occupational Therapy, 61(2), 201-207. Retrieved from http://www.spdfoundation.net/pdf/HowDoesSPDAffectPlay.pdf
Cermak, S. (2009, June). Deprivation and sensory processing in institutionalized and post-institutionalized children: Part I. Sensory Integration Special Section Quarterly, 32(2), 1-3.Retrieved from http://proquest.umi.com.ezproxy.liberty.edu:2048/pqdweb?index=12&did=1772476991&SrchMode=1&sid=1&Fmt=6&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1290367905&clientId=20655
Cermak, S. (2009, September). Deprivation and sensory processing in institutionalized and post-institutionalized children: Part II. Sensory Integration Special Section Quarterly, 32(3), 1-4.Retrieved from http://rx9vh3hy4r.search.serialssolutions.com.ezproxy.liberty.edu:2048/?sid=CentralSearch:ECT&genre=article&atitle=Deprivation+and+sensory+processing+in+institutionalized+and+postinstitutionalized+children%3A+part+II.&volume=32&issue=3&title=Sensory+Integration+Special+Interest+Section+Quarterly&issn=1093-7250&date=2009-09-01&spage=1&aulast=Cermak&aufirst=S
*Davies, P. L., & Gavin, W. J. (March/April 2007). Validating the diagnosis of sensory processing disorders using EEG technology. The American Journal of Occupational Therapy, 61, 176-189. Retrieved from http://www.spdfoundation.net/pdf/Davies_Gavin_2007_Validating_sensory_processing_disorders_using_EEG_technology.pdf
Davies, P. L., & Tucker, R. (2010). Evidence review to investigate the support for subtypes of children with difficulty processing and integrating sensory information. The American Journal of Occupational Therapy, 64, 391-402. doi: 10.5014/ajot.2010.09070
DeGangi, G. A., Breinbauer, C., Roosevelt, J. D., Porges, S., & Greenspan, S. (2000). Prediction of childhood problems at three years in children experiencing disorders of regulation during infancy. Infant Mental Health Journal, 21(3), 156-175. Retrieved from http://web.ebscohost.com.ezproxy.liberty.edu:2048/ehost/pdfviewer/pdfviewer?vid=2&hid=12&sid=fcffe1c5-525f-493a-a434-e6c5550d5fa0%40sessionmgr4
D’Angiulli, A., Herdman, A., Stapells, D., & Hertzman, C. (2008). Children’s event -related potentials of auditory selective attention vary with their socioeconomic status. Neuropsychology, 22(3), 293-300. doi: 10.1037/0894-4105.22.3.293
Goldsmith, H. H., Van Hulle, C. A., Arneson, C. I., & Schreiber, J. E. (June 2006). A population-based twin study of parentally reported tactile and auditory defensiveness in young children. Journal of Abnormal Child Psychology, 34, 393-407. doi: 10.1007/s10802-006-9024-0
Lane, S. J., Reynolds, S., & Thacker, L. (2010). Sensory over-responsivity and ADHD: Differentiating using electrodermal responses, cortisol, and anxiety. Frontiers in Integrative Neuroscience, 4 (8), 1-11. Retrieved from http://www.spdfoundation.net/pdf/Lane_Reynolds_Frontiers_Sensory_over-responsivity_and_ADHD_differentiating_using_electrodermal_responses_cortisol_and_anxiety.pdf
Lee, R. M., Seol, K. O., Sung, M., & Miller, M. J. (2010). The behavioral development of Korean children in institutional care and international adoptive families. Developmental Psychology, 46(2), 468-478. doi: 10.1037/a0017358
Miller, L. J., Coll, J. R., & Schoen, S. A. (March/April 2007). A randomized controlled pilot study of the effectiveness of occupational therapy for children with sensory modulation disorder. The Journal of Occupational Therapy, 61, 228-238. Retrieved from http://www.spdfoundation.net/pdf/Miller_Coll.pdf
Miller, L. J., Robinson, J., & Moulton, D. (2004). Sensory modulation dysfunction: Identification in early childhood. In R. DelCarmen-Wiggins & A. Carter (Eds.), Handbook of Infant, Toddler, and Preschool Mental Health Assessment (pp. 247-270). Retrieved from http://www.spdfoundation.net/pdf/Miller_Robinson.pdf
Parham, L. D., Cohn, E. S., Spitzer, S., Koomar, J. A., Miller, L. J., Burke, J. P., . . .Summers, C. A. (2007). Fidelity in sensory integration intervention research. The Journal of Occupational Therapy, 61(2), 216-227. Retrieved from http://proquest.umi.com.ezproxy.liberty.edu:2048/pqdlink?vinst=PROD&fmt=6&startpage=-1&ver=1&vname=PQD&RQT=309&did=1281780891&exp=11-20-2015&scaling=FULL&vtype=PQD&rqt=309&TS=1290374724&clientId=20655
Schneider, M. L., Moore, C. F., Gajewski, L. L., Larson, J. A., Roberts, A. D., Converse, A. K., & DeJesus, O. T. (2008). Sensory processing disorder in a primate model: evidence from a longitudinal study of prenatal alcohol and prenatal stress effects. Child Development, 79, 100-113. Retrieved from http://www.spdfoundation.net/pdf/Schneider_Moore_SPD_in_a_Primate_Model_2008.pdf
Shackman, J. E., Shackman, A. J., & Pollak, S. D. (2007). Physical abuse amplifies attention to threat and increases anxiety in children. Emotion, 7(4), 838-852. doi: 10.1037/1528-3542.7.4.838
Wiggins, L. D., Robins, D. L., Bakeman, R., & Adamson, L. B. (13 March 2009). Breif [sic] report: Sensory abnormalities as distinguishing symptoms of autism spectrum disorders in young children. Journal of Autism Developmental Disorder, 39, 1087-1091. doi: 10.1007/s10803-009-0711
Wilbarger, J., Gunner, M., Schneider, M., & Pollak, S. (2010). Sensory processing in internationally adopted, post-institutionalized children. Journal of Child Psychology and Psychiatry, 51(10), 1105-1114. doi: 10.1111/j.1469-7610.2010.02255