Category Archives: PDA: Pathological Demand Avoidance

Newson 2003: Pathological demand avoidance syndrome: A necessary distinction within the pervasive developmental disorders.

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Archives of Disease in Childhood. 2003 July; 88(7): 595-600. Newson here proposes that PDA should be considered a separate entity within the pervasive developmental disorders. Table 1 on Page 597 gives a detailed description of such a child, using 8 … Continue reading

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O’Nions 2014: Pathological demand avoidance: Exploring the behavioural profile

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Autism. 2014,  July; 18(5): 538-44. This is the first report comparing the profiles of children labelled PDA to those in  other groups with behavioral overlap. For example, children with conduct problems are strongly motivated by rewards; for PDA, however, rewards … Continue reading

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Reilly 2014: Pathological Demand Avoidance in a population-based cohort of children with epilepsy: Four case studies

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Research in Developmental Disabilities. 2014 Dec; 35(12): 3236-44 Children with epilepsy often have other neurological problems such as autism and ADHD.  This paper is a detailed report on four children with epilepsy as ell as symptoms of PDA (Pathological Demand … Continue reading

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Gillberg 2014: Commentary: PDA – public display of affection or pathological demand avoidance? – reflections on O’Nions et al. (2014)

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Journal of Child Psychology and Psychiatry. 2014 July; 55(7):769-70 Beginning with a comment on “PDA” as sometimes used to mean “Public Display of Affection,” Gillberg says that in his own 40 years of clinical experience, PDA/EDA is not at all … Continue reading

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Gillberg 2015: Extreme (“pathological”) demand avoidance in autism: a general population study in the Faroe Islands

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European Child & Adolescent Psychiatry. 2015. August; 24(8): 979-84. The Faroe Islands are a cluster of 18 rocky, volcanic islands which form a self-governing archipelago, part of the Kingdom of Denmark.  They are located in the open seas betwen the … Continue reading

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O’Nions 2014: Development of the ‘Extreme Demand Avoidance Questionnaire’ (EDA-Q): preliminary observations on a trait measure for Pathological Demand Avoidance.

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Journal of Child Psychology and Psychiatry 55:7 (2014), pp 758–768 This paper is about the development and validation of the ‘Extreme Demand Avoidance Questionnaire’  (EDA-Q), to aid in diagnosis of PDA (Pathological Demand Avoidance) traits. PDA (or EDA) is a … Continue reading

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O’Nions 2016: Identifying features of ‘pathological demand avoidance’ using the Diagnostic Interview for Social and Communication Disorders (DISCO)

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European Child & Adolescent Psychiatry. 2016 April; 25(4): 407-19 The term “pathological demand avoidance” (PDA) describes children or adults within the autism spectrum who exhibit obsessive resistance to everyday demands and requests.  In this study, the authors determined specific differences … Continue reading

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