Agna Bartels

Senior onderzoeker

Naam: Agna Bartels

Functie: senior onderzoeker

Links: ResearchGateLinkedIn


Onderzoek naar onder meer mindfulness, compassie, interpersoonlijke mindfulness en routine outcome monitoring; begeleiding van Nina Vollbehr bij haar promotieonderzoek naar yoga; begeleiding van studenten toegepaste psychologie, geneeskunde, verpleegkundigen i.o.s. en gz-psychologen i.o.s.; betrokken bij wetenschappelijk netwerk Lentis.

Internationale publicaties

  • Vollbehr NK, Bartels-Velthuis AA, Nauta MH, Castelein S, Steenhuis LA, Hoenders HJR, Ostafin BD (2018). Hatha yoga for acute, chronic and/or treatment-resistant mood and anxiety disorders: A systematic review and meta-analysis. PLoS ONE 13(10): e0204925.
  • Bruins J, Bartels-Velthuis AA, van Weeghel J, Helmus K, Pijnenborg GHM (2018). Letter to the editors: Reducing stigmatizing attitudes in high school adolescents – a cluster RCT on the effectiveness of a schizophrenia documentary, Schizophrenia Research, 28 June 2018.
  • Bartels-Velthuis AA, Jenner JA, Van de Willige G, Van Os J, Wiersma D (2010). Prevalence and correlates of auditory vocal hallucinations in middle childhood. British Journal of Psychiatry, 196(1), 41-46.
  • Bartels-Velthuis AA, Blijd-Hoogewys EMA, Van Os J (2011). Better theory-of-mind skills in children hearing voices mitigate the risk of secondary delusion formation. Acta Psychiatrica Scandinavica, 124(3), 193–197.
  • Bartels-Velthuis AA, Van de Willige G, Jenner JA, Van Os J, Wiersma D (2011). Course of auditory vocal hallucinations in childhood: 5-year follow-up study. British Journal of Psychiatry, 199(4), 296-302.
  • Korver N, Quee PJ, Boos HBM et al. (2011). The validity of the DSM-IV diagnostic classification system of non-affective psychoses. Australian and New Zealand Journal of Psychiatry, 45(12), 1061-1068.
  • Bartels-Velthuis AA, Van de Willige G, Jenner JA, Wiersma D, Van Os J (2012). Auditory hallucinations in childhood: associations with adversity and delusional ideation. Psychological Medicine, 42(3), 583-593.
  • Bartels-Velthuis AA, Van de Willige G, Jenner JA, Wiersma D (2012). Consistency and reliability of the Auditory Vocal Hallucination Rating Scale (AVHRS). Epidemiology and Psychiatric Sciences, 21(3), 305-310.
  • Korver N, Quee PJ, Boos HBM et al. (2012). Genetic Risk and Outcome of Psychosis (GROUP), a multi site longitudinal cohort study focused on gene-environment interaction: objectives, sample characteristics, recruitment and assessment methods. International Journal of Methods in Psychiatric Research, 21(3), 205-221.
  • Hartogs BMA, Eikmans KM, Bartels-Velthuis AA (2013). Melting Down the Ice Queen: an Integrative Treatment of Anorexia Nervosa: a Single Case Report. BMJ Case Reports.
  • Bos EH, Merea-Boerema R, Van den Brink EH, Sanderman R, Bartels-Velthuis AA (2014). The Effectiveness of Mindfulness Training in Heterogeneous Psychiatric Patient Groups. Journal of Clinical Psychology, 70(1), 60-71.
  • Hoenders HJR, Bos EH, Bartels-Velthuis AA, Van der Ploeg K, Vollbehr NK, De Jonge P, De Jong JTVM (2014). Pitfalls in the assessment, analysis, and interpretation of routine outcome monitoring (ROM) data; results from an outpatient clinic for integrative mental health. Administration and Policy in Mental Health and Mental Health Services Research, 41(5), 647-59.
  • Jardri R, Bartels-Velthuis AA, Debbané M, Jenner JA, Kelleher I, Dauvilliers Y, Plazzi G, Demeulemeester M, David CN, Rapoport J, Dobbelaere D, Escher S, Fernyhough C (2014). From phenomenology to a neurophysiological understanding of hallucinations in children and adolescents. Schizophrenia Bulletin, 40(4), S221–S232.
  • Pos K, Bartels-Velthuis AA, Claudia Simons CJP, Korver-Nieberg N, Meijer CJ, de Haan L for G.R.O.U.P. (2014).Theory of mind and attachment styles in people with psychotic disorders, their siblings, and healthy controls. Australian & New Zealand Journal of Psychiatry, 49(2), 171-180.
  • Lako IM, Wigman JTW, Klaassen R, Bartels-Velthuis AA, GROUP investigators (2014). Psychometric properties of the self-report version of the Quick Inventory of Depressive Symptoms (QIDS-SR16) questionnaire in patients with schizophrenia. BMC Psychiatry, 14:247.
  • Clemmensen L, van Os J, Skovgaard AM, Væver M, Blijd-Hoogewys EM, Bartels-Velthuis AA, Jeppesen P (2014). Hyper-Theory-of-Mind in Children with Psychotic Experiences. PLoS One, 14;9(11):e113082.
  • Van Zelst C, Van Dam D, Bartels-Velthuis AA, Delespaul P, Genetic Risk and Outcome of Psychosis (GROUP) investigators (2015). Stereotype awareness and childhood trauma in people with psychosis, siblings and controls. PLoS One, 10(2):e0117386.
  • Clemmensen L, Van Os J, Drukker M, Munkholm A, Rimvall MK, Væver M, Rask CU, Bartels-Velthuis AA, Skovgaard AM and Jeppesen P (2016). Psychotic experiences and hyper-theory-of-mind in preadolescence – a birth cohort study. Psychological Medicine, 46(1), 87-101.
  • Steenhuis LA, Bartels-Velthuis AA, Jenner JA, Aleman A, Bruggeman R, Pijnenborg GHM (2016). Religiosity in young adolescents with auditory hallucinations. Psychiatry Research, 236, 158-164.
  • Bruins J, Pijnenborg GHM, Bartels-Velthuis AA, Visser E, Van den Heuvel ER, Bruggeman R, Jörg F (2016). Cannabis use in people with severe mental illness: The association with physical and mental health – a cohort study. A Pharmacotherapy Monitoring and Outcome Survey study. Journal of Psychopharmacology, 30(4), 354-362.
  • Clemmensen L, Bartels-Velthuis AA, av Fløtum Jespersen R, van Os J, Blijd-Hoogewys EMA, Ankerstrøm L, Væver M, Fleng Daniel P, Drukker M, Pia Jeppesen, Møllegaard Jepsen JR (2016). A psychometric evaluation of the Danish version of a Theory-of-Mind task for 8-14-year-old children. Frontiers in Psychology, 7:330.
  • Bartels-Velthuis AA, Wigman JTW, Jenner JA, Bruggeman R, Van Os J (2016). Course of auditory vocal hallucinations in childhood: 11-year follow-up study. Acta Psychiatrica Scandinavica, 134(1), 6-15. [Epub ahead of print]
  • Bartels-Velthuis AA, Schroevers MJ, Van der Ploeg K, Koster F, Fleer J, Van den Brink H (2016). A Mindfulness-Based Compassionate Living training in a heterogeneous sample of psychiatric outpatients: a pilot study. Mindfulness, 7(4), 809-818.
  • Simons CJP, Bartels-Velthuis AA, Pijnenborg GHM, Genetic Risk and Outcome of Psychosis (GROUP) investigators (2016). Neurocognition, social cognition and three-year follow-up social functioning in patients with recent versus non-recent onset psychosis. PlosOne, 11(4).
  • Janssens M/Boyette LL, Heering HD, Bartels-Velthuis AA, Lataster T, Genetic Risk and Outcome of Psychosis (GROUP) investigators (2016). Developmental course of positive and negative psychotic experiences and their associations with clinical and functional impairment and genetic risk status. Schizophrenia Research, 174(1-3), 177-182.
  • Wigman JTW, de Vos S, Wichers M, Jim van Os J, Bartels-Velthuis AA. A transdiagnostic network approach to psychosis (2016). Schizophrenia Bulletin.
  • Schirmbeck F, Swets M, Meijer CJ, Zink M, de Haan L, GROUP Investigators (2016). Longitudinal association between cognitive performance and obsessive–compulsive symptoms in patients with psychosis and unaffected siblings. Acta Psychiatrica Scandinavica, 133: 399–409.
  • Bruins J, Pijnenborg GHM, Van den Heuvel ER, Visser E, Corpeleijn E, Bartels-Velthuis AA, Bruggeman R, Jörg F. Persistent low treatment rates of metabolic risk factors in people with psychotic disorders – a naturalistic cohort study. Journal of Clinical Psychiatry (accepted).
  • Bartels-Velthuis AA, Visser E, Arends J, Pijnenborg GHM, Wunderink L, Jörg F, Veling W, Liemburg EJ, Castelein S, Knegtering H, Bruggeman R. Towards a comprehensive routine outcome monitoring program for people with psychotic disorders: The Pharmacotherapy Monitoring and Outcome Survey (PHAMOUS). Schizophr Res. 2018 Jan 26. [Epub ahead of print]
  • Hoenders HJR, Bartels-Velthuis AA, Vollbehr NK, Bruggeman R, Knegtering H, de Jong JTVM. Natural Medicines for Psychotic Disorders: A Systematic Review. J Nerv Ment Dis. 2018 Feb;206(2):81-101.


Auditieve hallucinaties bij kinderen (2012), Agna Bartels, Gerard van de Willige, Jack Jenner, Jim van Os, Durk Wiersma in: Hallucinaties, J.A. Jenner (red.), Van Gorcum, Assen.