Executive System

Motor Function, Non-Verbal Communication & the Motor System

The motor dimension includes altered motor behavior such as hyperkinesia or reduced motor activity.

 

 

Reviews
What is the potential of neurostimulation in the treatment of motor symptoms in schizophrenia?
Lefebvre et al., Expert Rev Neurother 2020;20:697-706
DOI: 10.1080/14737175.2020.1775586

Gesture deficits and apraxia in schizophrenia
Walther et al., Cortex 2020;133:65-75
DOI: 10.1016/j.cortex.2020.09.017

Movement disorder and sensorimotor abnormalities in schizophrenia and other psychoses - European consensus on assessment and perspectives
Walther et al., Eur Neuropsychopharmacol 2020;38:25-39
DOI: 10.1016/j.euroneuro.2020.07.003

Structure and neural mechanisms of catatonia
Walther et al., Lancet Psychiatry 2019;6:610-619
DOI: 10.1016/S2215-0366(18)30474-7

Catatonia
Walther & Strik, CNS Spectr 2016;21:341–348
DOI: 10.1017/S1092852916000274

Psychomotor symptoms of schizophrenia map on the cerebral motor circuit
Walther, Psychiatry Res 2015;233:293–298
DOI: 10.1016/j.pscychresns.2015.06.010

Motor symptoms and schizophrenia
Walther & Strik, Neuropsychobiology 2012;66:77–92
DOI: 10.1159/000339456

Cerebral correlates of Hypokinesia
Cognitive motor impairments and brain structure in schizophrenia spectrum disorder patients with a history of catatonia
Dean et al., Schizophr Res 2020;222:335-341
DOI: 10.1016/j.schres.2020.05.012

Altered diffusion in motor white matter tracts in psychosis patients with catatonia
Viher et al., Schizophr Res 2020;220:210-217
DOI: 10.1016/j.schres.2020.03.017

Aberrant fronto-striatal connectivity and fine motor function in schizophrenia
Viher et al., Psychiatry Res Neuroimaging 2019;288:44-50
DOI: 10.1016/j.pscychresns.2019.04.010

Motor clusters reveal differences in risk for psychosis, cognitive functioning, and thalamocortical connectivity: evidence for vulnerability subtypes.
Dean et al., Clin Psychol Sci 2018;6:721-734
DOI: 10.1177/2167702618773759

Resting-state hyperperfusion of the supplementary motor area in catatonia
Walther et al., Schizophr Bull 2016;43:972–981
DOI : 10.1093/schbul/sbw140

Supplementary moror area (SMA) volume is associated with psychotic aberrant motor behaviour of patients with schizophrenia
Stegmayer et al., Psychiatry Res Neuroimaging 2014;223:49–51
DOI : 10.1016/j.pscychresns.2014.05.002

Altered cortico-basal ganglia motor pathways reflect reduced volitional motor activity in schizophrenia
Bracht et al., Schizophr Res 2013;143:268–276
DOI: 10.1016/j.schres.2012.12.004

Alterations of white matter integrity related to motor activity in schizophrenia
Walther et al., Neurobiol Dis 2011;42:276–283
DOI: 10.1016/j.nbd.2011.01.017

Resting state cerebral blood flow and objective motor activity reveal basal ganglia dysfunction in schizophrenia
Walther et al., Psychiatry Res Neuroimaging 2011;192:117–124
DOI: 10.1016/j.pscychresns.2010.12.002

Spontaneous Motor Activity
Functional and structural correlates of abnormal involuntary movements in psychosis risk and first episode psychosis.
Kindler et al., Schizophr Res 2019;212:196-203
DOI: 10.1016/j.schres.2019.07.032

As Motor System Pathophysiology Returns to the Forefront of Psychosis Research, Clinical Implications Should Hold Center Stage.
Mittal & Walther, Schizophr Bull 2019;45:495-497
DOI: 10.1093/schbul/sby176

The longitudinal course of gross motor activity in schizophrenia - within and between episodes
Walther et al., Front Psychiatry 2015;6:10
DOI: 10.3389/fpsyt.2015.00010

Less structured movement patterns predict severity of positive syndrome, excitement, and disorganization
Walther et al., Schizophr Bull 2013;40:585–591
DOI: 10.1093/schbul/sbt038

Comparison of objectively measured motor behavior with ratings of the motor behavior domain of the Bern Psychopathology Scale (BPS) in schizophrenia
Bracht et al., Psychiatry Research 2012;198:224–229
DOI : 10.1016/j.psychres.2011.12.038

Objectively measured motor activity in schizophrenia challenges the validity of expert ratings
Walther et al., Psychiatry Res 2009;169:187-90
DOI: 10.1016/j.psychres.2008.06.020

Hand Gestures
Structural organization of the praxis network predicts gesture production: Evidence from healthy subjects and patients with schizophrenia
Viher et al., Cortex 2020;132:322-333
DOI: 10.1016/j.cortex.2020.05.023

Nonverbal communication remains untouched: No beneficial effect of symptomatic improvement on poor gesture performance in schizophrenia
Wüthrich et al., Schizophr Res 2020;223:258-264
DOI: 10.1016/j.schres.2020.08.013

Dysbalanced Resting-State Functional Connectivity Within the Praxis Network Is Linked to Gesture Deficits in Schizophrenia
Wüthrich et al., Schizophr Bull 2020;46:905-915
DOI: 10.1093/schbul/sbaa008

Single Session Transcranial Magnetic Stimulation Ameliorates Hand Gesture Deficits in Schizophrenia
Walther et al., Schizophr Bull 2020;46:286-293
DOI: 10.1093/schbul/sbz078

Conceptual disorganization impairs hand gesture performance in schizophrenia
Walther et al., Schizophr Res 2020;215:467-468
DOI: 10.1016/j.schres.2019.09.001

Gesture Performance in First- and Multiple-Episode Patients with Schizophrenia
Stegmayer et al., Neuropsychobiology 2016;73:201–208
DOI : 10.1159/000446116

Structural brain correlates of defective gesture performance in schizophrenia
Stegmayer et al., Cortex 2016;78:125–137
DOI: 10.1016/j.cortex.2016.02.014

Why we should have a closer look at gestures
Walther & Mittal, Schizophr Bull 2016;42:259–261
DOI : 10.1093/schbul/sbv229

Nonverbal social communication and gesture control in schizophrenia
Walther et al., Schizophr Bull 2015;41:338–245
DOI : 10.1093/schbul/sbu222

Particular vulnerability of meaningless pantomimes in schizophrenia
Walther et al., Neuropsychologia 2013;51:2674–2678
DOI : 10.1016/j.neuropsychologia.2013.08.017

Impaired pantomime in schizophrenia: association with frontal lobe function
Walther et al., Cortex 2013;49:520–527
DOI : 10.1016/j.cortex.2011.12.008