Peter E. Langdon is a British clinical and forensic psychologist, educator, and Professor of Clinical Psychology at the University of Birmingham. His work focuses on intellectual and developmental disabilities, forensic mental health, psychological therapies, autism, and the development and evaluation of complex clinical interventions.
Education
Langdon studied psychology at Memorial University of Newfoundland, completing a Bachelor of Science in Psychology in 1995. As a Lord Rothermere Fellow, he undertook doctoral clinical psychology training at the Institute of Psychiatry, King's College London, qualifying as a clinical psychologist in 2000. He later completed a PhD at the Tizard Centre, University of Kent, in 2011, while working as a National Institute for Health and Care Research Research Fellow, followed by an NIHR-funded postdoctoral fellowship. His qualifications also include a Postgraduate Certificate in Higher Education.
Career
Langdon has spent more than twenty-five years working in secure mental healthcare with people who have intellectual and developmental disabilities, including individuals involved with offending and forensic mental health services. His clinical and academic work has combined psychological assessment, intervention research, clinical supervision, and the development of services for people with intellectual disabilities and autism. He has worked as a clinician within the NHS throughout his career and is a non-medical Approved Clinician under the Mental Health Act, registered as both a clinical psychologist and a forensic psychologist. His research has included randomised controlled trials and service evaluations concerning cognitive behavioural therapy, eye movement desensitisation and reprocessing, sertraline for anxiety in autistic adults, hospital care pathways, mental health, harmful sexual behaviour, and Care and Treatment Reviews. He has held academic roles at the University of East Anglia, the University of Warwick, and the University of Birmingham, where he is Professor of Clinical Psychology. He is also Honorary Associate Director of Research for Herefordshire and Worcestershire Health and Care NHS Trust and has supervised clinical psychology trainees and doctoral students. Langdon co-convenes RADiANT, a consortium linking NHS providers and universities in research on mental health and behavioural issues associated with intellectual disability, autism, ADHD, epilepsy, and acquired brain injury.
Achievements
Developed and led research programmes evaluating adapted psychological therapies and health-service interventions for people with intellectual and developmental disabilities and autistic people.
Served as chief investigator or co-investigator on major NIHR-funded trials and service evaluations, including Trauma-AID, the mATCH study, STRATA, CECILIA, and the HaSB-IDD trial.
Co-convened RADiANT, an NHS–university research consortium focused on developmental neuropsychiatry and the mental health and behavioural needs of people with intellectual disability, autism, ADHD, epilepsy, and acquired brain injury.
(Article examining the development of a specialist assessm...)
2010
Membership
Langdon is a Fellow of the British Psychological Society and a Fellow of the International Association for the Scientific Study of Intellectual and Developmental Disabilities. He served on the IASSIDD Board of Directors for the 2024–2026 term. He is also a trustee of Asperger East Anglia.
Member of the Board of Directors for the 2024–2026 term.
International Association for the Scientific Study of Intellectual and Developmental Disabilities
,
United Kingdom
2024 - 2026
Trustee.
Asperger East Anglia
,
United Kingdom
Connections
Langdon co-convenes RADiANT with Professor Regi Alexander. The consortium brings together NHS service providers, universities, service users, patients, families, charities, community leaders, and statutory organisations to address mental health and behavioural issues associated with developmental conditions.
References
University of Birmingham staff profile
Documents Langdon's academic position, qualifications, clinical registrations, research interests, NHS work, supervision, and current projects.
