Neurological soft signs and gray matter changes: a longitudinal analysis in first-episode schizophrenia. 2012

Li Kong, and Silke Bachmann, and Philipp A Thomann, and Marco Essig, and Johannes Schröder
Section of Geriatric Psychiatry, Department of Psychiatry, University of Heidelberg, Germany.

Neurological soft signs (NSS) - i.e. discrete deficits of sensory and motor function - are frequently found in schizophrenia and vary with psychopathological symptoms in the course of the disorder. Hence, persistence of NSS herald chronicity in first episode schizophrenia. To investigate the cerebral correlates of persisting NSS over time, 20 patients with first-episode schizophrenia underwent T1 magnetic resonance imaging (MRI) after remission of the acute symptoms and after 1 year of follow-up. NSS were rated on the Heidelberg Scale. Twenty age- and gender-matched control subjects were scanned once. Longitudinal gray matter (GM) changes were measured by using tensor based morphometry (TBM). At follow-up, patients demonstrated significantly decreased NSS scores. For further analysis, the patient sample was dichotomized into patients with decreasing NSS scores and patients with persistently increased scores, respectively. While patients with decreasing NSS exhibited only localized changes within the left frontal lobe, cerebellum, and cingulate gyrus, patients with persistently increased scores showed pronounced GM reductions of the sub-lobar claustrum, cingulate gyrus, cerebellum, frontal lobe, and middle frontal gyrus. Results were confirmed after correction for multiple comparisons. These findings support the hypothesis that persisting NSS refer to progressive cerebral changes in first-episode schizophrenia. Since NSS can be assessed in any clinical environment, this association facilitates the prospect that NSS can help to establish prognosis in first-episode patients with schizophrenia.

UI MeSH Term Description Entries
D008137 Longitudinal Studies Studies in which variables relating to an individual or group of individuals are assessed over a period of time. Bogalusa Heart Study,California Teachers Study,Framingham Heart Study,Jackson Heart Study,Longitudinal Survey,Tuskegee Syphilis Study,Bogalusa Heart Studies,California Teachers Studies,Framingham Heart Studies,Heart Studies, Bogalusa,Heart Studies, Framingham,Heart Studies, Jackson,Heart Study, Bogalusa,Heart Study, Framingham,Heart Study, Jackson,Jackson Heart Studies,Longitudinal Study,Longitudinal Surveys,Studies, Bogalusa Heart,Studies, California Teachers,Studies, Jackson Heart,Studies, Longitudinal,Study, Bogalusa Heart,Study, California Teachers,Study, Longitudinal,Survey, Longitudinal,Surveys, Longitudinal,Syphilis Studies, Tuskegee,Syphilis Study, Tuskegee,Teachers Studies, California,Teachers Study, California,Tuskegee Syphilis Studies
D008279 Magnetic Resonance Imaging Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques. Chemical Shift Imaging,MR Tomography,MRI Scans,MRI, Functional,Magnetic Resonance Image,Magnetic Resonance Imaging, Functional,Magnetization Transfer Contrast Imaging,NMR Imaging,NMR Tomography,Tomography, NMR,Tomography, Proton Spin,fMRI,Functional Magnetic Resonance Imaging,Imaging, Chemical Shift,Proton Spin Tomography,Spin Echo Imaging,Steady-State Free Precession MRI,Tomography, MR,Zeugmatography,Chemical Shift Imagings,Echo Imaging, Spin,Echo Imagings, Spin,Functional MRI,Functional MRIs,Image, Magnetic Resonance,Imaging, Magnetic Resonance,Imaging, NMR,Imaging, Spin Echo,Imagings, Chemical Shift,Imagings, Spin Echo,MRI Scan,MRIs, Functional,Magnetic Resonance Images,Resonance Image, Magnetic,Scan, MRI,Scans, MRI,Shift Imaging, Chemical,Shift Imagings, Chemical,Spin Echo Imagings,Steady State Free Precession MRI
D008297 Male Males
D009048 Motor Skills Performance of complex motor acts. Motor Skill,Skill, Motor,Skills, Motor
D011597 Psychomotor Performance The coordination of a sensory or ideational (cognitive) process and a motor activity. Perceptual Motor Performance,Sensory Motor Performance,Visual Motor Coordination,Coordination, Visual Motor,Coordinations, Visual Motor,Motor Coordination, Visual,Motor Coordinations, Visual,Motor Performance, Perceptual,Motor Performance, Sensory,Motor Performances, Perceptual,Motor Performances, Sensory,Perceptual Motor Performances,Performance, Perceptual Motor,Performance, Psychomotor,Performance, Sensory Motor,Performances, Perceptual Motor,Performances, Psychomotor,Performances, Sensory Motor,Psychomotor Performances,Sensory Motor Performances,Visual Motor Coordinations
D002531 Cerebellum The part of brain that lies behind the BRAIN STEM in the posterior base of skull (CRANIAL FOSSA, POSTERIOR). It is also known as the "little brain" with convolutions similar to those of CEREBRAL CORTEX, inner white matter, and deep cerebellar nuclei. Its function is to coordinate voluntary movements, maintain balance, and learn motor skills. Cerebella,Corpus Cerebelli,Parencephalon,Cerebellums,Parencephalons
D002540 Cerebral Cortex The thin layer of GRAY MATTER on the surface of the CEREBRAL HEMISPHERES that develops from the TELENCEPHALON and folds into gyri and sulci. It reaches its highest development in humans and is responsible for intellectual faculties and higher mental functions. Allocortex,Archipallium,Cortex Cerebri,Cortical Plate,Paleocortex,Periallocortex,Allocortices,Archipalliums,Cerebral Cortices,Cortex Cerebrus,Cortex, Cerebral,Cortical Plates,Paleocortices,Periallocortices,Plate, Cortical
D005260 Female Females
D006179 Gyrus Cinguli One of the convolutions on the medial surface of the CEREBRAL HEMISPHERES. It surrounds the rostral part of the brain and CORPUS CALLOSUM and forms part of the LIMBIC SYSTEM. Anterior Cingulate Gyrus,Brodmann Area 23,Brodmann Area 24,Brodmann Area 26,Brodmann Area 29,Brodmann Area 30,Brodmann Area 31,Brodmann Area 32,Brodmann Area 33,Brodmann's Area 23,Brodmann's Area 24,Brodmann's Area 26,Brodmann's Area 29,Brodmann's Area 30,Brodmann's Area 31,Brodmann's Area 32,Brodmann's Area 33,Cingulate Gyrus,Gyrus Cinguli Anterior,Retrosplenial Complex,Retrosplenial Cortex,Anterior Cingulate,Anterior Cingulate Cortex,Cingular Gyrus,Cingulate Area,Cingulate Body,Cingulate Cortex,Cingulate Region,Gyrus, Cingulate,Posterior Cingulate,Posterior Cingulate Cortex,Posterior Cingulate Gyri,Posterior Cingulate Gyrus,Posterior Cingulate Region,Superior Mesial Regions,24, Brodmann Area,Anterior Cingulate Cortices,Anterior Cingulates,Anterior, Gyrus Cinguli,Anteriors, Gyrus Cinguli,Area 23, Brodmann,Area 23, Brodmann's,Area 24, Brodmann,Area 24, Brodmann's,Area 26, Brodmann,Area 26, Brodmann's,Area 29, Brodmann,Area 29, Brodmann's,Area 30, Brodmann,Area 30, Brodmann's,Area 31, Brodmann,Area 31, Brodmann's,Area 32, Brodmann,Area 32, Brodmann's,Area 33, Brodmann,Area 33, Brodmann's,Area, Cingulate,Body, Cingulate,Brodmanns Area 23,Brodmanns Area 24,Brodmanns Area 26,Brodmanns Area 29,Brodmanns Area 30,Brodmanns Area 31,Brodmanns Area 32,Brodmanns Area 33,Cingulate Areas,Cingulate Bodies,Cingulate Cortex, Anterior,Cingulate Cortex, Posterior,Cingulate Gyrus, Anterior,Cingulate Gyrus, Posterior,Cingulate Region, Posterior,Cingulate Regions,Cingulate, Anterior,Cingulate, Posterior,Cinguli Anterior, Gyrus,Cinguli Anteriors, Gyrus,Complex, Retrosplenial,Cortex, Anterior Cingulate,Cortex, Cingulate,Cortex, Posterior Cingulate,Cortex, Retrosplenial,Gyrus Cinguli Anteriors,Gyrus, Anterior Cingulate,Gyrus, Cingular,Gyrus, Posterior Cingulate,Posterior Cingulate Cortices,Posterior Cingulate Regions,Posterior Cingulates,Region, Cingulate,Region, Posterior Cingulate,Retrosplenial Complices,Retrosplenial Cortices,Superior Mesial Region
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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