The Special Interest Group on Challenging Behavior and Mental Health (SIRG/CBMH) was established at the 13th World Congress of IASSIDD at Cape Town, South Africa. It replaced the existing SIRG on mental health with the objective of expanding the scope of the original group and creating a forum for developing integrated research and practice.

Mission Statement

The mission of the SIRG/CBMH is to:

  • Provide a focus for the worldwide exchange and dissemination of research and practice, as well as networking, in the field of challenging behavior and mental health.
  • Provide a vehicle for the promotion and development of integrated research and clinical activities that further understanding of the relationship between psychological and behavioral well being in people with intellectual disability.
  • Specifically encourage the development of cross-national, multi-disciplinary collaboration in research and practice that integrates biological, sociological, behavioral and psychotherapeutic perspectives.
  • Improve the quality of life and services for people with intellectual disabilities and additional behavioral or mental health needs, their carers, and their families. As such, the views and contributions of these groups will be fundamental in contributing to and shaping the activities of the SIRG.
  • Provide a supportive organizational framework for promoting the work of its members via journals, conferences and scientific meetings associated with IASSIDD.

To read the Bylaws Click Here

Documents and Publications




Hassiotis Preconference Workshop Slides – 2012 IASSID World Congress

Further documents

  • Biographical details of the committee: click here
  • Report to Council – Halifax, 2012: click here
  • “Towards the Prevention of Behavioural and Psychiatric Disorders in People with Intellectual Disabilities. A position paper on behalf of the Special Interest Research Group on Challenging Behaviour and Mental Health of the International Association for the Scientific Study of Intellectual Disabilities. David Allen, Paul Langthorne, Bruce Tonge, Eric Emerson, Peter McGill, Robert Fletcher, Anton Dosen & Craig Kennedy”. In press, JARID.



  • 2011 – Challenging Behavior & Mental Health SIRG Joint Congress
    The European Association for Mental Health in Intellectual Disability & IASSID Challenging Behaviour & Mental Health SIRG came together to create a place for the exchange of research, practice and perspectives, and to share and explore new findings and new ideas. The Congress was hosted by the British Psychological Society’s Faculty for Learning Disabilities who held their Annual Continuing Professional Development event concurrently with the Congress.

Round Tables

  • 2013 -Challenging Behavior and Mental Health SIRG 2012 Roundtable
    The 2013 Roundtable was held in conjunction with EAMHID 9th European Congress of Mental Health in ID on September 12 – 14, 2013 in Estoril, Lisbon, Portugal

Other Events


Professor Peter Langdon. Chair. (England, UK). [email protected]

Jane McCarthy. Past Chair. (England, UK). [email protected]

George Woods, Co-Chair. (U.S.A.). [email protected]

Jennifer Clegg, Ph.D. Secretary. (England, UK). [email protected]

Professor Susan Hayes. Treasurer. (Australia). [email protected]

Dr Mindy Scheithauer. Member. (U.S.A.). [email protected]

Dr Maria Valdovinos. Member. (U.S.A.). [email protected]

Karen Nankervis (Australia). Member. (Australia). [email protected]

International Association for the Scientific Study of Intellectual and Developmental Disabilities (IASSIDD) 

The International Association for the Scientific Study of Intellectual and Developmental Disabilities (IASSIDD) is the first and only world-wide group dedicated to the scientific study of intellectual disability.

Founded in 1964 as the International Association for the Scientific Study of Mental Deficiency, IASSIDD is an international, interdisciplinary and scientific non-governmental organization which promotes worldwide research and exchange of information on intellectual disabilities.


Please contact the IASSIDD international office for questions about joining IASSIDD, renewing your membership or general questions.
© 2018 International Association for the Scientific Study of Intellectual and Developmental Disabilities (IASSIDD)