Establishing motion control in children with autism and intellectual disability: Applications for anatomical and functional MRI.

Excessive motion makes magnetic resonance imaging (MRI) extremely challenging among children with autism spectrum disorder (ASD). The medical risks of sedation establish the need for behavioral interventions to promote motion control among children with ASD undergoing MRI scans. We present a series of experiments aimed at establishing both tolerance of the MRI environment and a level of motion control that would be compatible with a successful MRI. During Study 1, we evaluated the effects of prompting and contingent reinforcement on compliance with a sequence of successive approximations to an MRI using a mock MRI. During Study 2, we used prompting and progressive differential reinforcement of other behaviors (DRO) to promote motion control in a mock MRI for increasing periods of time. Finally, during Study 3, some of the participants underwent a real MRI scan while a detailed in-session motion analysis informed the quality of the images captured.

Advances in the indirect, descriptive, and experimental approaches to the functional analysis of problem behavior / Avances en los enfoques indirecto, descriptivo y experimental del análisis funcional de la conducta problema

BACKGROUND: Experimental functional analysis is an assessment methodology to identify the environmental factors that maintain problem behavior in individuals with developmental disabilities and in other populations. Functional analysis provides the basis for the development of reinforcement-based approaches to treatment. METHODS: This article reviews the procedures, validity, and clinical implementation of the methodological variations of functional analysis and function-based interventions. RESULTS: We present six variations of functional analysis methodology in addition to the typical functional analysis: brief functional analysis, single-function tests, latency-based functional analysis, functional analysis of precursors, and trial-based functional analysis. We also present the three general categories of function-based interventions: extinction, antecedent manipulation, and differential reinforcement. CONCLUSIONS: Functional analysis methodology is a valid and efficient approach to the assessment of problem behavior and the selection of treatment strategies

ANTECEDENTES: el análisis funcional experimental permite identificar los factores del entorno que mantienen y exacerban los problemas de conducta en personas con trastornos del desarrollo y otras poblaciones, siendo esencial para el desarrollo de procedimientos de intervención centrados en el uso de reforzamiento. MÉTODO: en este artículo se revisa el procedimiento, validez y aplicación clínica de las variaciones metodológicas del análisis e intervención funcionales. RESULTADOS: se presenta el análisis funcional típico, breve, de función única, de cribado, de latencia, de precursores y de ensayos, y tres categorías de intervención funcional: retirada del reforzador, alteración de operaciones motivadoras y reforzamiento diferencial. CONCLUSIONES: el análisis funcional es una metodología eficiente y válida para la evaluación de problemas de conducta y para la selección de estrategias de tratamiento

Clinical decision making and preference assessment for individuals with intellectual and developmental disabilities.

Individuals with intellectual or developmental disabilities are able to reliably express their likes and dislikes through direct preference assessment. Preferred items tend to function as rewards and can therefore be used to facilitate the acquisition of new skills and promote task engagement. A number of preference assessment methods are available and selecting the appropriate method is crucial to provide reliable and meaningful results. The authors conducted a systematic review of the preference assessment literature, and developed an evidence-informed, decision-making model to guide practitioners in the selection of preference assessment methods for a given assessment scenario. The proposed decision-making model could be a useful tool to increase the usability and uptake of preference assessment methodology in applied settings.

Advances in the indirect, descriptive, and experimental approaches to the functional analysis of problem behavior.

BACKGROUND: Experimental functional analysis is an assessment methodology to identify the environmental factors that maintain problem behavior in individuals with developmental disabilities and in other populations. Functional analysis provides the basis for the development of reinforcement-based approaches to treatment. METHODS: This article reviews the procedures, validity, and clinical implementation of the methodological variations of functional analysis and function-based interventions. RESULTS: We present six variations of functional analysis methodology in addition to the typical functional analysis: brief functional analysis, single-function tests, latency-based functional analysis, functional analysis of precursors, and trial-based functional analysis. We also present the three general categories of function-based interventions: extinction, antecedent manipulation, and differential reinforcement. CONCLUSIONS: Functional analysis methodology is a valid and efficient approach to the assessment of problem behavior and the selection of treatment strategies.

The TEACCH program for children and adults with autism: a meta-analysis of intervention studies.

The intervention program for autism known as Treatment and Education of Autistic and Related Communication Handicapped Children (TEACCH) is considered an emerging practice for autism. In the present study we used state-of-the-art meta-analytical procedures to examine the pooled clinical effects of TEACCH in a variety of outcomes. A total of 13 studies were selected for meta-analysis totaling 172 individuals with autism exposed to TEACCH. Standardized measures of perceptual, motor, adaptive, verbal and cognitive skills were identified as treatment outcomes. We used inverse-variance weighted random effects meta-analysis supplemented with quality assessment, sensitivity analysis, meta-regression, and heterogeneity and publication bias tests. The results suggested that TEACCH effects on perceptual, motor, verbal and cognitive skills were of small magnitude in the meta-analyzed studies. Effects over adaptive behavioral repertoires including communication, activities of daily living, and motor functioning were within the negligible to small range. There were moderate to large gains in social behavior and maladaptive behavior. The effects of the TEACCH program were not moderated by aspects of the intervention such as duration (total weeks), intensity (hours per week), and setting (home-based vs. center-based). While the present meta-analysis provided limited support for the TEACCH program as a comprehensive intervention, our results should be considered exploratory owing to the limited pool of studies available.

Causes of Behavioral Processes: An Interview with Mario A. Bunge / Causas de los Procesos Comportamentales: Un diálogo con Mario Bunge

Mario A. Bunge is one of the most prominent philosophers and humanists of our time. His vast record of publications has covered, among others, episte-mology, ontology, ethics, philosophy of natural and social sciences, philosophy of technology, and philosophy of mind. A topic that intersects many of these areas and is recurrent in Bunge's work is causality. His analyses of the causal principle, and the redefinition of determinism into near-determinism have been applied to different philosophical issues that range from the causal role of neuronal functioning to the laws of social phenomena. Bunge has criticized functionalism, cognitivism, computationalism, behaviourism, and idealism in their attempt to explain human and non-human behaviour. This article results from an extensive interview held with Dr. Bunge in which we discussed a variety of conceptual issues related to the notions of causality and explanation in psychology.