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1
Uniform data set language measures for bvFTD and PPA diagnosis and monitoring
In: Alzheimers Dement (Amst) (2021)
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2
Visuospatial Functioning In The Primary Progressive Aphasias
Watson, Christa L.; Possin, Katherine; Allen, I. Elaine. - : Cambridge Univ Press, 2018
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3
Visuospatial Functioning in the Primary Progressive Aphasias
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4
Emotion detection deficits and changes in personality traits linked to loss of white matter integrity in primary progressive aphasia
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5
Reading words and other people: a comparison of exception word, familiar face and affect processing in the left and right temporal variants of primary progressive aphasia
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6
Handedness and language learning disability differentially distribute in progressive aphasia variants
Abstract: Primary progressive aphasia is a neurodegenerative clinical syndrome that presents in adulthood with an isolated, progressive language disorder. Three main clinical/anatomical variants have been described, each associated with distinctive pathology. A high frequency of neurodevelopmental learning disability in primary progressive aphasia has been reported. Because the disorder is heterogeneous with different patterns of cognitive, anatomical and biological involvement, we sought to identify whether learning disability had a predilection for one or more of the primary progressive aphasia subtypes. We screened the University of California San Francisco Memory and Aging Center's primary progressive aphasia cohort (n = 198) for history of language-related learning disability as well as hand preference, which has associations with learning disability. The study included logopenic (n = 48), non-fluent (n = 54) and semantic (n = 96) variant primary progressive aphasias. We investigated whether the presence of learning disability or non-right-handedness was associated with differential effects on demographic, neuropsychological and neuroimaging features of primary progressive aphasia. We showed that a high frequency of learning disability was present only in the logopenic group (χ2 = 15.17, P < 0.001) and (χ2 = 11.51, P < 0.001) compared with semantic and non-fluent populations. In this group, learning disability was associated with earlier onset of disease, more isolated language symptoms, and more focal pattern of left posterior temporoparietal atrophy. Non-right-handedness was instead over-represented in the semantic group, at nearly twice the prevalence of the general population (χ2 = 6.34, P = 0.01). Within semantic variant primary progressive aphasia the right-handed and non-right-handed cohorts appeared homogeneous on imaging, cognitive profile, and structural analysis of brain symmetry. Lastly, the non-fluent group showed no increase in learning disability or non-right-handedness. Logopenic variant primary progressive aphasia and developmental dyslexia both manifest with phonological disturbances and posterior temporal involvement. Learning disability might confer vulnerability of this network to early-onset, focal Alzheimer’s pathology. Left-handedness has been described as a proxy for atypical brain hemispheric lateralization. As non-right-handedness was increased only in the semantic group, anomalous lateralization mechanisms might instead be related to frontotemporal lobar degeneration with abnormal TARDBP. Taken together, this study suggests that neurodevelopmental signatures impart differential trajectories towards neurodegenerative disease.
Keyword: Original Articles
URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3808687
https://doi.org/10.1093/brain/awt242
http://www.ncbi.nlm.nih.gov/pubmed/24056533
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7
Anterior temporal lobe degeneration produces widespread network-driven dysfunction
Guo, Christine C.; Gorno-Tempini, Maria Luisa; Gesierich, Benno. - : Oxford University Press, 2013
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8
Neuropsychological, behavioral, and anatomical evolution in right temporal variant frontotemporal dementia: A longitudinal and post-mortem single case analysis
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9
Sensitivity of revised diagnostic criteria for the behavioural variant of frontotemporal dementia
Rascovsky, Katya; Hodges, John R.; Knopman, David. - : Oxford University Press, 2011
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10
Sensitivity of revised diagnostic criteria for the behavioural variant of frontotemporal dementia
Rascovsky, Katya; Hodges, John R.; Knopman, David. - : Oxford University Press, 2011
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11
Behavioral-variant frontotemporal dementia with corticobasal degeneration pathology: Phenotypic comparison to bvFTD with Pick’s disease
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12
Sensitivity of revised diagnostic criteria for the behavioural variant of frontotemporal dementia
Rascovsky, Katya; Hodges, John R.; Knopman, David. - : Oxford University Press, 2011
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13
Neuropsychological, Behavioral, and Anatomical Evolution in Right Temporal Variant Frontotemporal Dementia: A Longitudinal Single Case Analysis
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14
Detecting Sarcasm from Paralinguistic Cues: Anatomic and Cognitive Correlates in Neurodegenerative Disease
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15
Different regional patterns of cortical thinning in Alzheimer's disease and frontotemporal dementia
In: Brain. - Oxford : Oxford Univ. Press 130 (2007) 4, 1159-1166
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16
The anatomy of category-specific object naming in neurodegenerative diseases
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 18 (2006) 10, 1644-1653
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17
Anatomical correlates of early mutism in progressive nonfluent aphasia
Gorno-Tempini, Maria Luisa; Ogar, Jennifer M.; Brambati, Simona Maria. - : American Academy of Neurology, 2006
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18
Cognition and Anatomy in Three Variants of Primary Progressive Aphasia
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19
Clinical, Cognitive and Anatomical Evolution from Nonfluent Progressive Aphasia to Corticobasal Syndrome: A Case Report
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