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1
Digital Speech Analysis in Progressive Supranuclear Palsy and Corticobasal Syndromes
In: J Alzheimers Dis (2021)
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2
Automated analysis of lexical features in Frontotemporal Degeneration
In: Cortex (2021)
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3
Utility of the global CDR® plus NACC FTLD rating and development of scoring rules: Data from the ARTFL/LEFFTDS Consortium
In: Alzheimers Dement (2020)
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4
C9orf72, age at onset, and ancestry help discriminate behavioral from language variants in FTLD cohorts
In: Neurology (2020)
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5
Automated analysis of natural speech in amyotrophic lateral sclerosis spectrum disorders
In: Neurology (2020)
Abstract: OBJECTIVE: We implemented automated methods to analyze speech and evaluate the hypothesis that cognitive and motor factors impair prosody in partially distinct ways in patients with amyotrophic lateral sclerosis (ALS). METHODS: We recruited 213 participants, including 67 with ALS (44 with motor ALS, 23 with ALS and frontotemporal degeneration [FTD]), 33 healthy controls, and neurodegenerative reference groups with behavioral variant FTD (n = 90) and nonfluent/agrammatic primary progressive aphasia (n = 23). Digitized, semistructured speech samples obtained from picture descriptions were automatically segmented with a Speech Activity Detector; continuous speech segments were pitch-tracked; and duration measures for speech and silent pause segments were extracted. Acoustic measures were calculated, including fundamental frequency (f0) range, mean speech and pause segment durations, total speech duration, and pause rate (pause count per minute of speech). Group comparisons related performance on acoustic measures to clinical scales of cognitive and motor impairments and explored MRI cortical thinning in ALS and ALS-FTD. RESULTS: The f0 range was significantly impaired in ALS spectrum disorders and was related to bulbar motor disease, and regression analyses related this to cortical thickness in primary motor cortex and perisylvian regions. Impaired speech and pause duration measures were related to the degree of cognitive impairment in ALS spectrum disorders, and regressions related duration measures to bilateral frontal opercula and left anterior insula. CONCLUSION: Automated analyses of acoustic speech properties dissociate motor and cognitive components of speech deficits in ALS spectrum disorders.
Keyword: Article
URL: http://www.ncbi.nlm.nih.gov/pubmed/32675077
https://doi.org/10.1212/WNL.0000000000010366
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7713725/
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6
Automated analysis of lexical features in Frontotemporal Degeneration
In: medRxiv (2020)
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7
A Longitudinal Study of Speech Production in Primary Progressive Aphasia and Behavioral Variant Frontotemporal Dementia
In: Brain Lang (2019)
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8
PRIMARY PROGRESSIVE APHASIA AND STROKE APHASIA
In: Continuum (Minneap Minn) (2018)
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9
Prevalence of Amyloid-β Pathology in Distinct Variants of Primary Progressive Aphasia
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10
Clinical marker for Alzheimer disease pathology in logopenic primary progressive aphasia
Giannini, Lucia A.A.; Irwin, David J.; McMillan, Corey T.. - : Lippincott Williams & Wilkins, 2017
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11
Linguistic Aspects of Primary Progressive Aphasia
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12
Tau PET Imaging Predicts Cognition in Atypical Variants of Alzheimer’s Disease
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13
Neocortical Origin and Progression of Grey Matter Atrophy In Non-Amnestic Alzheimer’s Disease
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14
Longitudinal decline in speech production in Parkinson's disease spectrum disorders
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15
Transcranial direct current stimulation for the treatment of primary progressive aphasia: An open-label pilot study
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16
Dissociation of Quantifiers and Object Nouns in Speech in Focal Neurodegenerative Disease
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17
ARTERIAL SPIN LABELING PERFUSION PREDICTS LONGITUDINAL DECLINE IN SEMANTIC VARIANT PRIMARY PROGRESSIVE APHASIA
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18
Dissociable substrates underlie the production of abstract and concrete nouns
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19
How the brain learns how few are “many”: An fMRI study of the flexibility of quantifier semantics
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20
Acoustic richness modulates the neural networks supporting intelligible speech processing
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