scholarly journals Brain structural and functional alterations in MOG antibody disease

2020 ◽  
pp. 135245852096441
Author(s):  
Zhizheng Zhuo ◽  
Yunyun Duan ◽  
Decai Tian ◽  
Xinli Wang ◽  
Chenyang Gao ◽  
...  
Keyword(s):  
Temporal Lobe ◽  
Verbal Learning ◽  
Brain Mri ◽  
Mean Diffusivity ◽  
California Verbal Learning Test ◽  
Stepwise Logistic Regression ◽  
Brain Structure And Function ◽  
Learning Test ◽  
And Function ◽  
The Impact

Background: The impact of myelin oligodendrocyte glycoprotein antibody disease (MOGAD) on brain structure and function is unknown. Objectives: The aim of this study was to study the multimodal brain MRI alterations in MOGAD and to investigate their clinical significance. Methods: A total of 17 MOGAD, 20 aquaporin-4 antibody seropositive neuromyelitis optica spectrum disorders (AQP4 + NMOSD), and 28 healthy controls (HC) were prospectively recruited. Voxel-wise gray matter (GM) volume, fractional anisotropy (FA), mean diffusivity (MD), and degree centrality (DC) were compared between groups. Clinical associations and differential diagnosis were determined using partial correlation and stepwise logistic regression. Results: In comparison with HC, MOGAD had GM atrophy in frontal and temporal lobe, insula, thalamus, and hippocampus, and WM fiber disruption in optic radiation and anterior/posterior corona radiata; DC decreased in cerebellum and increased in temporal lobe. Compared to AQP4 + NMOSD, MOGAD presented lower GM volume in postcentral gyrus and decreased DC in cerebellum. Hippocampus/parahippocampus atrophy associated with Expanded Disability Status Scale ( R = −0.55, p = 0.04) and California Verbal Learning Test ( R = 0.62, p = 0.031). The differentiation of MOGAD from AQP4 + NMOSD achieved an accuracy of 95% using FA in splenium of corpus callosum and DC in occipital gyrus. Conclusion: Distinct structural and functional alterations were identified in MOGAD. Hippocampus/parahippocampus atrophy associated with clinical disability and cognitive impairment.

Performance discrepancies on the California Verbal Learning Test–Children's Version (CVLT–C) in children with traumatic brain injury

2004 ◽  
Vol 10 (4) ◽  
pp. 482-488 ◽  
Author(s):  
JACOBUS DONDERS ◽  
MICHAEL T. MINNEMA
Keyword(s):  
Traumatic Brain Injury ◽  
Information Processing ◽  
Brain Injury ◽  
Verbal Learning ◽  
California Verbal Learning Test ◽  
Cerebral Lesions ◽  
Speed Of Information Processing ◽  
Learning Test ◽  
Pediatric Tbi ◽  
The Impact

One hundred sixty-seven children with traumatic brain injury (TBI), selected from an 8-year series of consecutive referrals to a Midwestern rehabilitation hospital, completed the California Verbal Learning Test–Children's Version (CVLT–C) and the Wechsler Intelligence Scale for Children–Third Edition (WISC–III) within 1 year after injury. A large proactive interference (PI) effect, defined as performance on the second list that was at least 1.5 standard deviations below that on the 1st one, was statistically significantly more common in this clinical sample (21%) than in the CVLT–C standardization sample (11%). Other performance discrepancies, including retroactive interference, rapid forgetting, and retrieval problems, occurred at approximately the same rate in the clinical and standardization samples. Children with anterior cerebral lesions were about 3 times less likely to have a large PI effect than children without such lesions, but the former group performed worse on the first CVLT–C list. The impact of pediatric TBI on a wide range of CVLT–C quantitative variables was mediated by speed of information processing, as assessed by the WISC–III Processing Speed factor index. It is concluded that failure to release from PI is somewhat common, although certainly not universal, in children with TBI. Unlike with adults, anterior cerebral lesions are not associated selectively with an increased risk for PI after pediatric TBI but rather with a reduced efficiency of allocation of cognitive resources. Deficits in speed of information processing appear to be primarily responsible for the learning deficits on the CVLT–C after pediatric TBI. (JINS, 2004, 10, 482–488.)

The Impact of American Content on California Verbal Learning Test Performance: A New Zealand Illustration

2002 ◽  
Vol 16 (3) ◽  
pp. 290-299 ◽  
Author(s):  
Suzanne Barker-Collo ◽  
Anna Clarkson ◽  
Ainsleigh Cribb ◽  
Mary Grogan
Keyword(s):  
New Zealand ◽  
Test Performance ◽  
Verbal Learning ◽  
California Verbal Learning Test ◽  
Learning Test ◽  
The Impact

scholarly journals Disease Correlates of Rim Lesions on Quantitative Susceptibility Mapping in Multiple Sclerosis

2021 ◽  
Author(s):  
Melanie Marcille ◽  
Sandra Hurtado Rúa ◽  
Charles Tyshkov ◽  
Abhishek Jaywant ◽  
Joseph Comunale ◽  
...  
Keyword(s):  
Multiple Sclerosis ◽  
Regression Model ◽  
Verbal Learning ◽  
Susceptibility Mapping ◽  
California Verbal Learning Test ◽  
Quantitative Susceptibility Mapping ◽  
Cognitive Assessments ◽  
Learning Test ◽  
Multiple Sclerosis Patients ◽  
The Impact

Abstract Quantitative susceptibility mapping (QSM), an imaging technique sensitive to brain iron, has been used to detect paramagnetic rims of iron-laden active microglia and macrophages in a subset of multiple sclerosis (MS) lesions, known as rim+ lesions, and are consistent with chronic active lesions. Because of their potential impact on disease progression and tissue damage, investigating the influence of rim+ lesions on disability and neurodegeneration is critical to establish the impact of these lesions on the disease course. This study aimed to explore the relationship between chronic active rim+ lesions, identified as having a hyperintense rim on QSM, and both clinical disability and imaging measures of neurodegeneration in patients with MS. The patient cohort was composed of 159 relapsing-remitting multiple sclerosis patients. The Expanded Disability Status Scale (EDSS) and Brief International Cognitive Assessment for Multiple Sclerosis, which includes both the Symbol Digit Modalities Test and California Verbal Learning Test-II, were used to assess clinical disability. Cortical thickness and thalamic volume were evaluated as imaging measures of neurodegeneration. A total of 4,469 MS lesions were identified, of which 171 QSM rim+ (3.8%) lesions were identified among 57 patients (35.8%). In a multivariate regression model, as the overall total lesion burden increased, patients with at least one rim+ lesion on QSM performed worse on both physical disability and cognitive assessments, specifically the Symbol Digit Modalities Test (p=0.010), California Verbal Learning Test-II (p=0.030), and EDSS (p=0.001). In a separate univariate regression model, controlling for age (p<0.001), having at least one rim+ lesion was related to more cortical thinning (p= 0.03) in younger patients (< 45 years). Lower thalamic volume was associated with older patients (p=0.038) and larger total lesion burden (p<0.001); however, the association did not remain significant with rim+ lesions (p=0.10). Our findings demonstrate a novel observation that chronic active lesions, as identified on QSM, modify the impact of lesion burden on clinical disability in MS patients. These results support further exploration of rim+ lesions for therapeutic targeting in MS to reduce disability and subsequent neurodegeneration.

scholarly journals Remote assessment of verbal memory in MS patients using the California Verbal Learning Test

2017 ◽  
Vol 24 (3) ◽  
pp. 354-357 ◽  
Author(s):  
Lisa F Barcellos ◽  
Kalliope H Bellesis ◽  
Ling Shen ◽  
Xiaorong Shao ◽  
Terrence Chinn ◽  
...  
Keyword(s):  
Verbal Memory ◽  
Cognitive Assessment ◽  
Verbal Learning ◽  
California Verbal Learning Test ◽  
Healthy Controls ◽  
Factor Analyses ◽  
Assessment Protocol ◽  
Remote Assessment ◽  
Patient Groups ◽  
Learning Test

We used the California Verbal Learning Test, Second Edition (CVLT-II), one component of the Brief International Cognitive Assessment for Multiple Sclerosis (BICAMS), to determine feasibility of a remote assessment protocol. We compared telephone-administered CVLT-II data from MS patients to data acquired in person from an independent sample of patients and healthy controls. Mixed factor analyses of variance (ANOVAs) showed no significant differences between patient groups, but between-group effects comparing patients and healthy controls were significant. In this study, CVLT-II assessment by conventional in-person and remote telephone assessment yielded indistinguishable results. The findings indicate that telephone-administered CVLT-II is feasible. Further validation studies are underway.

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