Psychotic Disorders


Psychomotor assessment as a tool to differentiate schizophrenia from other psychotic disorders.

Janssens S, Moens H, Coppens V, Vandendriessche F, Hulstijn W, Sabbe B, Morrens M.Schizophr Res. 2018 Oct;200:92-96.

Psychomotor slowing in schizophrenia.

Morrens M, Hulstijn W, Sabbe B.Schizophr Bull. 2007 Jul;33(4):1038-53. doi: 10.1093/schbul/sbl051.

White matter microstructure and volitional motor activity in schizophrenia: A diffusion kurtosis imaging study.

Docx L, Emsell L, Van Hecke W, De Bondt T, Parizel PM, Sabbe B, Morrens M.Psychiatry Res Neuroimaging. 2017 Feb 28;260:29-36.

Stereotypy in schizophrenia.

Morrens M, Hulstijn W, Lewi PJ, De Hert M, Sabbe BG.Schizophr Res. 2006 Jun;84(2-3):397-404.

Implicit motor sequence learning in schizophrenia and in old age: reduced performance only in the third session.

Cornelis C, De Picker LJ, De Boer P, Dumont G, Coppens V, Morsel A, Janssens L, Timmers M, Sabbe BG, Morrens M, Hulstijn W.Exp Brain Res. 2016 Dec;234(12):3531-3542.

Preserved Learning during the Symbol-Digit Substitution Test in Patients with Schizophrenia, Age-Matched Controls, and Elderly.

Cornelis C, De Picker LJ, Hulstijn W, Dumont G, Timmers M, Janssens L, Sabbe BG, Morrens M.Front Psychiatry. 2015 Jan 6;5:189.

The nature of the relationship of psychomotor slowing with negative symptomatology in schizophrenia.

Bervoets C, Docx L, Sabbe B, Vermeylen S, Van Den Bossche MJ, Morsel A, Morrens M.Cogn Neuropsychiatry. 2014;19(1):36-46.

Parsing the components of the psychomotor syndrome in schizophrenia.

Docx L, Morrens M, Bervoets C, Hulstijn W, Fransen E, De Hert M, Baeken C, Audenaert K, Sabbe B.Acta Psychiatr Scand. 2012 Oct;126(4):256-65.

Cognitive and psychomotor effects of risperidone in schizophrenia and schizoaffective disorder.

Houthoofd SA, Morrens M, Sabbe BG.Clin Ther. 2008 Sep;30(9):1565-89. 

Stable schizophrenia patients learn equally well as age-matched controls and better than elderly controls in two sensorimotor rotary pursuit tasks.

De Picker LJ, Cornelis C, Hulstijn W, Dumont G, Fransen E, Timmers M, Janssens L, Morrens M, Sabbe BG.Front Psychiatry. 2014 Nov 24;5:165.

Differentiation between deviant trajectory planning, action planning, and reduced psychomotor speed in schizophrenia.

Houthoofd S, Morrens M, Hulstijn W, Sabbe B.Cogn Neuropsychiatry. 2013 Jul;18(4):284-303.

Quantitative psychomotor dysfunction in schizophrenia: a loss of drive, impaired movement execution or both?

Docx L, Sabbe B, Provinciael P, Merckx N, Morrens M.Neuropsychobiology. 2013;68(4):221-7.

Bleuler revisited: psychomotor slowing in schizophrenia as part of a catatonic symptom cluster.

Morrens M, Hulstijn W, Lewi P, Sabbe B.Psychiatry Res. 2008 Oct 30;161(1):121-5.

Psychomotor and memory effects of haloperidol, olanzapine, and paroxetine in healthy subjects after short-term administration.

Morrens M, Wezenberg E, Verkes RJ, Hulstijn W, Ruigt GS, Sabbe BG.J Clin Psychopharmacol. 2007 Feb;27(1):15-21.

Sensorimotor and cognitive slowing in schizophrenia as measured by the Symbol Digit Substitution Test.

Morrens M, Hulstijn W, Van Hecke J, Peuskens J, Sabbe BG.J Psychiatr Res. 2006 Apr;40(3):200-6.

The effects of atypical and conventional antipsychotics on reduced processing speed and psychomotor slowing in schizophrenia: a cross-sectional exploratory study.

Morrens M, Hulstijn W, Sabbe B.Clin Ther. 2008 Apr;30(4):684-92.

Delineating psychomotor slowing from reduced processing speed in schizophrenia.

Morrens M, Hulstijn W, Matton C, Madani Y, van Bouwel L, Peuskens J, Sabbe BG.Cogn Neuropsychiatry. 2008 Nov;13(6):457-71.

[Instrumental registration of psychomotor symptoms in schizophrenia: has the time come to use the technique in clinical practice?].

Docx L, Sabbe BG, Koning J, Mentzel TQ, van Harten PN, Morrens M.Tijdschr Psychiatr. 2015;57(2):148-53.

Longitudinal evaluation of the psychomotor syndrome in schizophrenia.

Docx L, Sabbe B, Fransen E, Bervoets C, Hulstijn W, Van Den Bossche MJ, Vermeylen S, Temmerman A, Morsel A, Morrens M.J Neuropsychiatry Clin Neurosci. 2014 Fall;26(4):359-68.

[Characteristics of catatonia in schizophrenia and mood disorders].

van den Ameele S, Sabbe B, Morrens M.Tijdschr Psychiatr. 2015;57(2):94-8

[Psychomotor symptoms in schizophrenia: the importance of a forgotten syndrome].

Morrens M, Hulstijn W, Sabbe BG.Tijdschr Psychiatr. 2008;50(11):713-24