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Neural dynamics of semantic categorization in semantic variant of primary progressive aphasia.
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Utility of the global CDR® plus NACC FTLD rating and development of scoring rules: Data from the ARTFL/LEFFTDS Consortium.
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In: Alzheimer's & dementia : the journal of the Alzheimer's Association, vol 16, iss 1 (2020)
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Deformation-based shape analysis of the hippocampus in the semantic variant of primary progressive aphasia and Alzheimer's disease.
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Graded, multidimensional intra- and intergroup variations in primary progressive aphasia and post-stroke aphasia.
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In: Brain : a journal of neurology, vol 143, iss 10 (2020)
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Utility of the global CDR® plus NACC FTLD rating and development of scoring rules: Data from the ARTFL/LEFFTDS Consortium.
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In: Alzheimer's & dementia : the journal of the Alzheimer's Association, vol 16, iss 1 (2020)
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C9orf72, age at onset, and ancestry help discriminate behavioral from language variants in FTLD cohorts.
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In: Neurology, vol 95, iss 24 (2020)
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Graded, multidimensional intra- and intergroup variations in primary progressive aphasia and post-stroke aphasia. ...
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Abstract:
Language impairments caused by stroke (post-stroke aphasia, PSA) and neurodegeneration (primary progressive aphasia, PPA) have overlapping symptomatology, nomenclature and are classically divided into categorical subtypes. Surprisingly, PPA and PSA have rarely been directly compared in detail. Rather, previous studies have compared certain subtypes (e.g. semantic variants) or have focused on a specific cognitive/linguistic task (e.g. reading). This study assessed a large range of linguistic and cognitive tasks across the full spectra of PSA and PPA. We applied varimax-rotated principal component analysis to explore the underlying structure of the variance in the assessment scores. Similar phonological, semantic and fluency-related components were found for PSA and PPA. A combined principal component analysis across the two aetiologies revealed graded intra- and intergroup variations on all four extracted components. Classification analysis was used to test, formally, whether there were any categorical ...
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Keyword:
Aged; Aphasia, Primary Progressive; Female; Humans; Male; Middle Aged; Observer Variation; Phonetics; Principal Component Analysis; Semantics; Stroke
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URL: https://www.repository.cam.ac.uk/handle/1810/307415 https://dx.doi.org/10.17863/cam.54509
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Graded, multidimensional intra- and intergroup variations in primary progressive aphasia and post-stroke aphasia.
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Factors that predict diagnostic stability in neurodegenerative dementia.
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In: Journal of neurology, vol 266, iss 8 (2019)
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Factors that predict diagnostic stability in neurodegenerative dementia.
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In: Journal of neurology, vol 266, iss 8 (2019)
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Relationship Turmoil and Emotional Empathy in Frontotemporal Dementia.
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In: Alzheimer disease and associated disorders, vol 33, iss 3 (2019)
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Divergent patterns of loss of interpersonal warmth in frontotemporal dementia syndromes are predicted by altered intrinsic network connectivity.
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Relationship Turmoil and Emotional Empathy in Frontotemporal Dementia.
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In: Alzheimer disease and associated disorders, vol 33, iss 3 (2019)
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Divergent patterns of loss of interpersonal warmth in frontotemporal dementia syndromes are predicted by altered intrinsic network connectivity.
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Neurocognitive Basis of Repetition Deficits in Primary Progressive Aphasia
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In: Communication Sciences and Disorders Faculty Publications (2019)
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Rates of Amyloid Imaging Positivity in Patients With Primary Progressive Aphasia.
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In: JAMA neurology, vol 75, iss 3 (2018)
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Rates of Amyloid Imaging Positivity in Patients With Primary Progressive Aphasia.
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In: JAMA neurology, vol 75, iss 3 (2018)
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Energization and spoken language production: evidence from progressive supranuclear palsy
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Longitudinal white matter change in frontotemporal dementia subtypes and sporadic late onset Alzheimer's disease.
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Longitudinal white matter change in frontotemporal dementia subtypes and sporadic late onset Alzheimer's disease.
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