Pica in Individuals with Developmental Disabilities by Peter Sturmey, Don E. Williams

By Peter Sturmey, Don E. Williams

This booklet offers a accomplished assessment of the scientific phenomenon of pica. It focuses particularly at the affliction because it offers in little ones, youth, and adults with autism spectrum sickness (ASD) and highbrow disabilities (ID). preliminary chapters introduce present theories and definitions, by means of a extra exact exam of the way developmental disabilities complicate analysis and intervention. the quantity describes evidence-based and clinically sound techniques to the remedy and prevention of pica at school and grownup scientific settings, starting from behavioral remedy to function-based interventions. additionally, it discusses universal diagnostic, buyer, and supplier matters that bring about pica final undetected between people with ASD and ID.
Featured issues include:

  • Definition of pica in available phrases, differentiating among a number of varieties of the disorder.
  • Issues and sensible equipment of prevention and remedy of pica in developmentally disabled persons.
  • Functional and behavioral evaluate equipment for pica in people with ASD and ID.
  • A diversity of potent behavioral and nonbehavioral remedies for pica.
  • Illustrative instances and repair supply challenges.
  • Areas for destiny study and practice.

Pica in people with Developmental Disabilities is a useful source for researchers, clinicians and different execs, and graduate scholars in medical baby and college psychology, habit analysis/therapy, and social paintings in addition to baby and adolescent psychiatry, pediatrics, kinfolk experiences, and precise education.

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Sample text

In a similar vein, if consumption of clay or soil might result in relief from gastrointestinal distress for some individuals, it is plausible that deprivation of these substances might also be relevant for some individuals since gastrointestinal distress might be a relevant EO. Response effort is another important variable that influences operant behavior. If eating appropriate food is made easy and making engaging in pica effortful, pica may be less likely. Response effort underlies interventions used to abolish hunger, such as readily available snack packs and non-contingent reinforcement.

Thus, these figures may be inaccurate today. An important consideration when interpreting these survey data is whether the data refer to formal diagnoses of pica, typically based on reviews of medical 26 2 Epidemiology records, or whether they refer to the presence of pica behavior, often assessed prospectively through psychometric measures. Data from Rojahn et al. (2001) sample of 432 individuals in an institutional setting illustrate this point nicely. 78 %) had a psychiatric diagnosis of pica.

Commenting on diagnostic issues in this case, Luiselli (1996) reported that he had observed two clients with severe/profound ID who are nonverbal and who engaged in pica involving ingestion of paper, plastic, cloth, wood, and metal objects. Although they had received several behavioral treatments, which are supported by research (see Chap. 7), including response interruption and prevention, positive reinforcement, and free access to food, they did not respond to these behavioral treatments. Luiselli described that they were “‘hypervigilant’ to their surroundings, touching surfaces, and moving rapidly without purpose … seemed ‘anxious’ and ‘overaroused’ to most practitioners who worked with them … appeared to ‘perseverate’ on their physical surroundings and were easily distressed with environmental change” (p.

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