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PICA and Autism

Dean Alexander, Ph.D., discusses pica, the ingestion of non-food substances, which has received insufficient attention as a common, sometimes lethal, form of self-injurious behavior. Behavioral approaches to treatment, more often than not, fall short. Biological intervention, if supported, may hold out new promise. Handouts are available for download (PDF) at https://www.autism.org/autism-pica/ This is a joint presentation by ARI and the World Autism Organisation. 00:00 - Intro 2:12 – What is pica 5:22 – Study: Soda can and rubber ball 8:00 – Challenges with behavioral treatments 13:00 – Sensory stimulation and pica 14:20 – Pica prevalence and impact 16:08 – Study: GI symptoms and pica 17:30 – Study: Autism, GI symptoms, and pica 19:00 – Study: Pica prevalence in autistic adults 25:25 – Pica as a phenotypic subgroup 26:30 – Studies: polyvisol, vivinex, iron supplements, zinc and antioxidant therapy 29:46 – Metabolic profiles and phenotypic subgroups 31:57 – Why nutritional interventions 34:04 – Comprehensive vitamin-mineral interventions 36:10 – Dietary changes 38:21 – Study: Homeopathic treatment 44:28 – SMART interventions