January 01, 2026 article Open access Extremism, Terrorism, and Mental Disorder FOCUS The Journal of Lifelong Learning in Psychiatry DOI: 10.1176/appi.focus.20250033 Full text (OA) OpenAlex Authors 0 Author list not loaded yet. Cited by 0 stored of 0 References 1 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Mental disorder, psychological problems and terrorist behaviour: A systematic review and meta-analysis 2022 Campbell Systematic Reviews review Social Sciences Terrorism, Counterterrorism, and Political Violence Open access 59 citations 1 result