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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 16 of 16 1 White Matter Disruption and Connected Speech in Non-Fluent and Semantic Variants of Primary Progressive Aphasia Marcotte, Karine; Graham, Naida L.; Fraser, Kathleen C.. - : S. Karger AG, 2017 BASE Show details 2 White Matter Disruption and Connected Speech in Non-Fluent and Semantic Variants of Primary Progressive Aphasia Marcotte, Karine; Graham, Naida L; Fraser, Kathleen C. - : Karger Publishers, 2017 BASE Show details 3 Lack of Frank Agrammatism in the Nonfluent Agrammatic Variant of Primary Progressive Aphasia Graham, Naida L.; Leonard, Carol; Tang-Wai, David F.. - : S. Karger AG, 2016 BASE Show details 4 Lack of Frank Agrammatism in the Nonfluent Agrammatic Variant of Primary Progressive Aphasia Graham, Naida L; Leonard, Carol; Tang-Wai, David F. - 2016 BASE Show details 5 Profiling Speech and Pausing in Amyotrophic Lateral Sclerosis (ALS) and Frontotemporal Dementia (FTD) Yunusova, Yana; Graham, Naida L.; Shellikeri, Sanjana. - : Public Library of Science, 2016 BASE Show details 6 Dysgraphia in primary progressive aphasia: Characterisation of impairments and therapy options Graham, Naida L. In: Aphasiology. - London [u.a.] : Routledge, Taylor & Francis Group 28 (2014) 8, 1092-1111 OLC Linguistik Show details 7 Word retrieval therapies in primary progressive aphasia Jokel, Regina; Graham, Naida L.; Rochon, Elizabeth... In: Aphasiology. - London [u.a.] : Routledge, Taylor & Francis Group 28 (2014) 8, 1038-1068 OLC Linguistik Show details 8 Automated classification of primary progressive aphasia subtypes from narrative speech transcripts ; Automated classification of primary progressive aphasia subtypes from narrative speech samples Rochon, Elizabeth; Fraser, Kathleen C; Graham, Naida L; Black, Sandra E; Leonard, Carol; Meltzer, Jed A; Hirst, Graeme. - : Elsevier, 2014 Abstract: The final version of this article from Elsevier can be found at http://dx.doi.org/10.1016/j.cortex.2012.12.006 ; In the early stages of neurodegenerative disorders, individuals may exhibit a decline in language abilities that is difficult to quantify with standardized tests. Careful analysis of connected speech can provide valuable information about a patient's language capacities. To date, this type of analysis has been limited by its time-consuming nature. In this study, we present a method for evaluating and classifying connected speech in primary progressive aphasia using computational techniques. Syntactic and semantic features were automatically extracted from transcriptions of narrative speech for three groups: semantic dementia (SD), progressive nonfluent aphasia (PNFA), and healthy controls. Features that varied significantly between the groups were used to train machine learning classifiers, which were then tested on held-out data. We achieved accuracies well above baseline on the three binary classification tasks. An analysis of the influential features showed that in contrast with controls, both patient groups tended to use words which were higher in frequency (especially nouns for SD, and verbs for PNFA). The SD patients also tended to use words (especially nouns) that were higher in familiarity, and they produced fewer nouns, but more demonstratives and adverbs, than controls. The speech of the PNFA group tended to be slower and incorporate shorter words than controls. The patient groups were distinguished from each other by the SD patients' relatively increased use of words which are high in frequency and/or familiarity. Keyword: Machine learning; Narrative speech; Natural language processing; Progressive nonfluent aphasia; Semantic dementia URL: https://doi.org/10.1016/j.cortex.2012.12.006 http://hdl.handle.net/1807/78089 BASE Hide details 9 Dysgraphia in primary progressive aphasia: Characterisation of impairments and therapy options Graham, Naida L.. - : Taylor & Francis, 2014 BASE Show details 10 Verb production in sentences by patients with nonfluent progressive aphasia Graham, Naida L; Rochon, Elizabeth In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 103 (2007) 1-2, 69 OLC Linguistik Show details 11 Progressive non-fluent aphasia is not a progressive form of non-fluent (post-stroke) aphasia Patterson, Karalyn; Hodges, John R.; Lambon Ralph, Matthew A.... In: Aphasiology. - London [u.a.] : Routledge, Taylor & Francis Group 20 (2006) 9-11, 1018-1034 BLLDB OLC Linguistik Show details 12 Progressive non-fluent aphasia is associated with hypometabolism centred on the left anterior insula Nestor, Peter J.; Graham, Naida L.; Fryer, Tim D.. - : Oxford University Press, 2003 BASE Show details 13 Progressive non-fluent aphasia is associated with hypometabolism centred on the left anterior insula Nestor, Peter J.; Graham, Naida L.; Fryer, Tim D.. - : Oxford University Press, 2003 BASE Show details 14 Progressive non-fluent aphasia is associated with hypometabolism centred on the left anterior insula Patterson, Karalyn; Graham, Naida L.; Williams, Guy B.. - : Oxford University Press, 2003 BASE Show details 15 The emergence of jargon in progressive fluent dysgraphia: The widening gap between target and response Graham, Naida L.; Patterson, Karalyn; Hodges, John R. In: Cognitive neuropsychology. - Abingdon : Routledge, Taylor & Francis Group 18 (2001) 4, 343-362 OLC Linguistik Show details 16 Progressive Dysgraphia: Co-occurrence of Central and Peripheral Impairments Graham, Naida L; Patterson, Karalyn; Hodges, John R In: Cognitive neuropsychology. - Abingdon : Routledge, Taylor & Francis Group 14 (1997) 7, 975-1006 OLC Linguistik Show details

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