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1
Tractography of supplementary motor area projections in progressive speech apraxia and aphasia
In: Neuroimage Clin (2022)
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2
A Preliminary Report of Network Electroencephalographic Measures in Primary Progressive Apraxia of Speech and Aphasia
In: Brain Sci (2022)
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3
Progressive Apraxia of Speech: Delays to Diagnosis and Rates of Alternative Diagnoses
In: J Neurol (2021)
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4
A molecular pathology, neurobiology, biochemical, genetic and neuroimaging study of progressive apraxia of speech
In: Nat Commun (2021)
Abstract: Progressive apraxia of speech is a neurodegenerative syndrome affecting spoken communication. Molecular pathology, biochemistry, genetics, and longitudinal imaging were investigated in 32 autopsy-confirmed patients with progressive apraxia of speech who were followed over 10 years. Corticobasal degeneration and progressive supranuclear palsy (4R-tauopathies) were the most common underlying pathologies. Perceptually distinct speech characteristics, combined with age-at-onset, predicted specific 4R-tauopathy; phonetic subtype and younger age predicted corticobasal degeneration, and prosodic subtype and older age predicted progressive supranuclear palsy. Phonetic and prosodic subtypes showed differing relationships within the cortico-striato-pallido-nigro-luysial network. Biochemical analysis revealed no distinct differences in aggregated 4R-tau while tau H1 haplotype frequency (69%) was lower compared to 1000+ autopsy-confirmed 4R-tauopathies. Corticobasal degeneration patients had faster rates of decline, greater cortical degeneration, and shorter illness duration than progressive supranuclear palsy. These findings help define the pathobiology of progressive apraxia of speech and may have consequences for development of 4R-tau targeting treatment.
Keyword: Article
URL: http://www.ncbi.nlm.nih.gov/pubmed/34103532
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8187627/
https://doi.org/10.1038/s41467-021-23687-8
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5
Lewy body disease is a contributor to logopenic progressive aphasia phenotype
In: Ann Neurol (2020)
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6
Association of amyloid angiopathy with microbleeds in logopenic progressive aphasia: an imaging-pathology study
In: Eur J Neurol (2020)
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7
Dementia with Lewy bodies presenting as Logopenic Variant Primary Progressive Aphasia
In: Neurocase (2020)
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8
Longitudinal anatomic, functional, and molecular characterization of Pick disease phenotypes
In: Neurology (2020)
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9
Clinical and Neuroimaging Characteristics of Clinically Unclassifiable Primary Progressive Aphasia
In: Brain Lang (2019)
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10
The influence of β-amyloid on [(18)F]AV-1451 in semantic variant of primary progressive aphasia
Whitwell, Jennifer L.; Martin, Peter R.; Duffy, Joseph R.. - : Lippincott Williams & Wilkins, 2019
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11
Molecular Neuroimaging in an Agraphia Predominant Primary Progressive Aphasia
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12
Electroencephalography in Primary Progressive Aphasia and Apraxia of Speech
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13
Patterns of Neuropsychological Dysfunction and Cortical Volume Changes in Logopenic Aphasia
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14
[18F]AV-1451 tau-PET and primary progressive aphasia
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15
Tau Uptake in Agrammatic Primary Progressive Aphasia with and without Apraxia of Speech
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16
Quantitative assessment of grammar in amyloid-negative logopenic aphasia
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17
Disrupted functional connectivity in primary progressive apraxia of speech
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18
Tau-PET imaging with [18F]AV-1451 in Primary Progressive Apraxia of Speech
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19
Prosodic and Phonetic Subtypes of Primary Progressive Apraxia of Speech
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20
Predicting clinical decline in progressive agrammatic aphasia and apraxia of speech
Whitwell, Jennifer L.; Weigand, Stephen D.; Duffy, Joseph R.. - : Lippincott Williams & Wilkins, 2017
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