Publications 2025

Karlsen K, Munkhaugen EK, Fossum HK, Bakken TL, Kildahl AN (2025)
Mental Health Services for Adults With Intellectual Disabilities: A Qualitative Study of Patient Characteristics, Associated Factors and Consequent Needs for Adaptation in Assessment and Treatment
J Appl Res Intellect Disabil, 38 (1), e13315
DOI 10.1111/jar.13315, PubMed 39448449

Publications 2024

Bakken TL, Askeland Hellerud JM, Kildahl AN, Solheim-Inderberg AM, Hove O, Berge Helverschou S (2024)
Schizophrenia in Autistic People with Intellectual Disabilities. Treatment and Interventions
J Autism Dev Disord (in press)
DOI 10.1007/s10803-024-06286-6, PubMed 38393435

Bakken TL, Ellingsen B (2024)
The effects of lockdown of work and activities for adults with multiple, complex needs including sensory impairments during the pandemic in 2020
J Intellect Disabil, 28 (2), 578-587
DOI 10.1177/17446295241232030, PubMed 38305233

Bakken TL, Hellerud JMA, Kildahl AN, Solheim-Inderberg AM, Hove O, Helverschou SB (2024)
Correction To: Schizophrenia in Autistic People with Intellectual Disabilities. Treatment and Interventions
J Autism Dev Disord, 54 (10), 3973
DOI 10.1007/s10803-024-06430-2, PubMed 38990373

Bakken TL, Sandberg M, Axmon A (2024)
Schizophrenia in children, adults and older people with intellectual disability compared with the general population: a Swedish register study (IDcare)
Gen Psychiatr, 37 (6), e101673
DOI 10.1136/gpsych-2024-101673, PubMed 39687215

Publications 2023

Bakken TL, Kildahl AN, Ludvigsen LB, Bjørgen TG, Dalhaug C, Hellerud JMA, Hove O, Solheim-Inderberg AM, Karlsen K, Helverschou SB (2023)
Schizophrenia in autistic people with intellectual disabilities: Symptom manifestations and identification
J Appl Res Intellect Disabil, 36 (5), 1076-1091
DOI 10.1111/jar.13127, PubMed 37264713

Publications 2021

Bakken TL (2021)
Editorial for the special issue 'Intellectual Disabilities and Mental health: Assessment and Treatment'
Int J Dev Disabil, 67 (5), 307-309
DOI 10.1080/20473869.2021.1971887, PubMed 34567542

Bakken TL (2021)
Behavioural equivalents of schizophrenia in people with intellectual disability and autism spectrum disorder. A selective review
Int J Dev Disabil, 67 (5), 310-317
DOI 10.1080/20473869.2021.1925402, PubMed 34567543

Bakken TL (2021)
Psychosocial treatment of major depression in people with intellectual disabilities. Improvements within the last four decades: points of view
Int J Dev Disabil, 67 (5), 366-370
DOI 10.1080/20473869.2021.1969498, PubMed 34567545

Helverschou SB, Bakken TL, Berge H, Bjorgen TG, Botheim H, Hellerud JA, Helseth I, Hove O, Johansen PA, Kildahl AN, Ludvigsen LB, Nygaard S, Rysstad A, Wigaard E, Howlin P (2021)
Preliminary Findings From a Nationwide, Multicenter Mental Health Service for Adults and Older Adolescents With Autism Spectrum Disorder and ID
J. Policy Pract. Intellect. Disabil., 18 (2), 162-173
DOI 10.1111/jppi.12366

Sommerstad HS, Kildahl AN, Munkhaugen EK, Karlsen K, Bakken TL (2021)
Experiences of ward atmosphere in inpatients with intellectual disability and mental illness: clinical implications for mental health nursing
Int J Dev Disabil, 67 (5), 339-348
DOI 10.1080/20473869.2021.1900507, PubMed 34552729

Publications 2020

Kildahl AN, Bakken TL, Matre EAW, Hellerud JMA, Engebretsen MH, Helverschou SB (2020)
Case study: identification of anxiety and subsequent intervention in an adolescent male with autism, severe intellectual disability and self-injurious behaviour
Int J Dev Disabil, 67 (5), 327-338
DOI 10.1080/20473869.2020.1850160, PubMed 34552728

Kildahl AN, Helverschou SB, Bakken TL, Oddli HW (2020)
"If we do not look for it, we do not see it": Clinicians' experiences and understanding of identifying post-traumatic stress disorder in adults with autism and intellectual disability
J Appl Res Intellect Disabil, 33 (5), 1119-1132
DOI 10.1111/jar.12734, PubMed 32285568

Kildahl AN, Helverschou SB, Bakken TL, Oddli HW (2020)
"Driven and Tense, Stressed Out and Anxious": Clinicians' Perceptions of Post-Traumatic Stress Disorder Symptom Expressions in Adults with Autism and Intellectual Disability
J. Ment. Health Res. Intellect. Disabil., 13 (3), 201-230
DOI 10.1080/19315864.2020.1760972

Publications 2019

Hellerud JMA, Bakken TL (2019)
Family and caregivers' experience of mental illness in migrants with intellectual disability - reflections on practice
Adv. Ment. Health Intellet. Disabil., 13 (2), 76-88
DOI 10.1108/AMHID-06-2018-0029

Inderberg AMS, Horndalsveen K, Elvehaug AH, Mehmi Y, Jorstad I, Bakken TL (2019)
Autism, intellectual disabilities and additional psychosis, and affiliation to groups with violent ideology: short communication
J. Intellect. Disabil. Offending Behav., 10 (1), 1-7
DOI 10.1108/JIDOB-09-2018-0010

Iversen TE, Horndalsveen K, Matre E, Henriksen TF, Fusche S, Kildahl AN, Bakken TL (2019)
Inpatient treatment of borderline personality disorder in adults with intellectual disability: reflections on practice
Adv. Ment. Health Intellet. Disabil., 13 (2), 67-75
DOI 10.1108/AMHID-03-2018-0008

Johannessen M, Haugen IB, Bakken TL, Braaten Ø (2019)
A 22q13.33 duplication harbouring the SHANK3 gene: does it cause neuropsychiatric disorders?
BMJ Case Rep, 12 (11)
DOI 10.1136/bcr-2018-228258, PubMed 31678916

Kildahl AN, Bakken TL, Iversen TE, Helverschou SB (2019)
Identification of Post-Traumatic Stress Disorder in Individuals with Autism Spectrum Disorder and Intellectual Disability: A Systematic Review
J. Ment. Health Res. Intellect. Disabil., 12 (1-2), 1-25
DOI 10.1080/19315864.2019.1595233

Publications 2018

Bakken TL, Evensen OO, Bjorgen TG, Nilsen IT, Bang N, Pedersen U, Berge K, Ellingsen KE, Baasland T, Helverschou SB (2018)
Mental health services for adolescents and adults with intellectual disabilities in Norway: a descriptive study
Adv. Ment. Health Intellet. Disabil., 12 (3-4), 121-134
DOI 10.1108/AMHID-03-2018-0012

Bakken TL, Hoidal SH (2018)
Specialized psychiatric services: patient characteristics, referral practice and length of stay in a representative clinical sample 2010-2016
Int J Dev Disabil, 65 (4), 277-284
DOI 10.1080/20473869.2018.1438961, PubMed 34141348

Publications 2017

Bakken TL, Sageng H, Hellerud J, Kildahl A, Kristiansen T (2017)
The Use of Validation in Mental Health Nursing for Adults with Intellectual Disabilities and Mental Illness: A Descriptive Study
Issues Ment Health Nurs, 38 (8), 619-623
DOI 10.1080/01612840.2017.1330910, PubMed 28613088

Bakken TL, Sundby IL, Klevmoen GH (2017)
Patients', Family Members', and Professional Carers' Experiences of Psychoeducational Multifamily Groups for Participants with Intellectual Disabilities and Mental Illness
Issues Ment Health Nurs, 38 (2), 153-159
DOI 10.1080/01612840.2016.1251514, PubMed 28215110

Engebretsen MH, Kildahl AN, Hoy IH, Bakken TL (2017)
Metyrosine treatment in a woman with chromosome 22q11.2 deletion syndrome and psychosis: a case study
Int J Dev Disabil, 65 (2), 116-121
DOI 10.1080/20473869.2017.1401257, PubMed 34141331

Kildahl AN, Bakken TL, Holm OK, Helverschou SB (2017)
Assessment of psychosis in ASD/ID: a case study
Adv. Ment. Health Intellet. Disabil., 11 (1), 17-23
DOI 10.1108/AMHID-11-2016-0036

Publications 2016

Tveter AL, Bakken TL, Rossberg JI, Bech-Pedersen E, Bramness JG (2016)
Short communication: reliability and validity of the UKU Side Effect Rating Scale for adults with intellectual disabilities
Adv. Ment. Health Intellet. Disabil., 10 (3), 166-171
DOI 10.1108/AMHID-10-2015-0051

Publications 2015

Bakken TL, Sageng H (2015)
Mental Health Nursing of Adults With Intellectual Disabilities and Mental Illness: A Review of Empirical Studies 1994-2013
Arch Psychiatr Nurs, 30 (2), 286-91
DOI 10.1016/j.apnu.2015.08.006, PubMed 26992884

Publications 2014

Bakken TL, Gjersoe V, Matre E, Kristiansen T, Ro A, Tveter AL, Hoeidal SH, Kildahl AN (2014)
PTSD in adults with intellectual disabilities: stabilisation during inpatient stay
Adv. Ment. Health Intellet. Disabil., 8 (4), 237-247
DOI 10.1108/AMHID-10-2013-0061

Bakken TL, Hoidal SH (2014)
Asperger syndrome or schizophrenia, or both? Case identification of 12 adults in a specialized psychiatric inpatient unit
Int. J. Dev. Disabil., 60 (4), 215-225
DOI 10.1179/2047387713Y.0000000022

Bakken TL, Kildahl AN, Gjersoe V, Matre E, Kristiansen T, Ro A, Tveter AL, Hoidal SH (2014)
Identification of PTSD in adults with intellectual disabilities in five patients in a specialised psychiatric inpatient unit
Adv. Ment. Health Intellet. Disabil., 8 (2), 91-102
DOI 10.1108/AMHID-01-2013-0002

Tveter AL, Bakken TL, Bramness JG, Rossberg JI (2014)
Adjustment of the UKU Side Effect Rating Scale for adults with intellectual disabilities. A pilot study
Adv. Ment. Health Intellet. Disabil., 8 (4), 260-267
DOI 10.1108/AMHID-11-2013-0064

Publications 2013

Bakken TL, Martinsen H (2013)
Adults with intellectual disabilities and mental illness in psychiatric inpatient units: empirical studies of patient characteristics and psychiatric diagnoses from 1996 to 2011
Int. J. Dev. Disabil., 59 (3), 179-190
DOI 10.1179/2047387712Y.0000000006

Publications 2012

Bakken TL, Rossberg JI, Friis S (2012)
The ward atmosphere scale for psychiatric inpatients with intellectual disability: a pilot study
Adv. Ment. Health Intellet. Disabil., 6 (5), 265-272
DOI 10.1108/20441281211261159

Publications 2011

Bakken TL (2011)
My Sensory Book: Working Together to Explore Sensory Issues and the Big Feelings they can Cause: A Workbook for Parents, Professionals, and Children
J. Autism Dev. Disord., 41 (1), 132-133
DOI 10.1007/s10803-009-0934-x

Bakken TL (2011)
Samhandling med og uten ord: miljøbehandling for mennesker med utviklingshemning og psykisk lidelse
Hertervig, Stavanger, 195 s.
BIBSYS 112281117, ISBN 978-82-8217-018-5

Publications 2010

Bakken TL (2010)
Scizophrenia in adults with intellectual disability and autism: behavioural indicatiors and examinination of staff communication skills
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 923, 1 b. (flere pag.)
BIBSYS 100877885, ISBN 978-82-8072-928-6

Bakken TL, Helverschou SB, Eilertsen DE, Heggelund T, Myrbakk E, Martinsen H (2010)
Psychiatric disorders in adolescents and adults with autism and intellectual disability: a representative study in one county in Norway
Res Dev Disabil, 31 (6), 1669-77
DOI 10.1016/j.ridd.2010.04.009, PubMed 20493660

Publications 2009

Helverschou SB, Bakken TL, Martinsen H (2009)
The Psychopathology in Autism Checklist (PAC): A pilot study
Res. Autism Spectr. Disord., 3 (1), 179-195
DOI 10.1016/j.rasd.2008.05.004