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Multimodal MRI cerebral correlates of verbal fluency switching and its impairment in women with depression
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In: ISSN: 2213-1582 ; Neuroimage-Clinical ; https://hal.archives-ouvertes.fr/hal-03477309 ; Neuroimage-Clinical, Elsevier, 2021, 33, pp.1-11. ⟨10.1016/j.nicl.2021.102910⟩ (2021)
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Language Impairment in Alzheimer’s Disease—Robust and Explainable Evidence for AD-Related Deterioration of Spontaneous Speech Through Multilingual Machine Learning
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In: ISSN: 1663-4365 ; Frontiers in Aging Neuroscience ; https://hal.archives-ouvertes.fr/hal-03477304 ; Frontiers in Aging Neuroscience, Frontiers, 2021, 13 (11), pp.6108. ⟨10.3389/fnagi.2021.642033⟩ (2021)
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Measuring neuropsychiatric symptoms in patients with early cognitive decline using speech analysis
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In: Eur Psychiatry (2021)
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Language Impairment in Alzheimer’s Disease—Robust and Explainable Evidence for AD-Related Deterioration of Spontaneous Speech Through Multilingual Machine Learning
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In: Front Aging Neurosci (2021)
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Exploitation vs. exploration—computational temporal and semantic analysis explains semantic verbal fluency impairment in Alzheimer's disease
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In: ISSN: 0028-3932 ; EISSN: 1873-3514 ; Neuropsychologia ; https://hal.archives-ouvertes.fr/hal-02339134 ; Neuropsychologia, Elsevier, 2019, 131, pp.53-61. ⟨10.1016/j.neuropsychologia.2019.05.007⟩ (2019)
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Abstract:
International audience ; Contents lists available atScienceDirectNeuropsychologiajournal homepage:www.elsevier.com/locate/neuropsychologiaExploitation vs. exploration—computational temporal and semantic analysisexplains semantic verbalfluency impairment in Alzheimer's diseaseJohannes Trögera,∗, Nicklas Linza, Alexandra Königb, Philippe Robertb, Jan Alexanderssona,Jessica Peterc, Jutta KraydaGerman Research Center for Artificial Intelligence (DFKI), GermanybMemory Center, CoBTeK, IA CHU Université Côte d’Azur, FrancecUniversity Hospital of Old Age Psychiatry and Psychotherapy, University of Bern, SwitzerlanddChair for Development of Language, Learning & Action, University of Saarland, GermanyARTICLE INFOKeywords:Alzheimer's diseaseMCI (mild cognitive impairment)Semantic speech analysisTemporal analysisABSTRACTImpaired Semantic Verbal Fluency (SVF) in dementia due to Alzheimer's Disease (AD) and its precursor MildCognitive Impairment (MCI) is well known. Yet, it remains open whether this impairment mirrors the break-down of semantic memory retrieval processes or executive control processes. Therefore, qualitative analysis ofthe SVF has been proposed but is limited in terms of methodology and feasibility in clinical practice.Consequently, research draws no conclusive picture which of these afore-mentioned processes drives the SVFimpairment in AD and MCI. This study uses a qualitative computational approach—combining temporal andsemantic information—to investigate exploitation and exploration patterns as indicators for semantic memoryretrieval and executive control processes. Audio SVF recordings of 20 controls (C, 66–81 years), 55 MCI (57–94years) and 20 AD subjects (66–82 years) were assessed while groups were matched according to age and edu-cation. All groups produced, on average, the same amount of semantically related items in rapid successionwithin word clusters. Conversely, towards AD, there was a clear decline in semantic as well as temporal ex-ploration patterns between clusters. Results strongly point towards preserved exploitation—semantic memoryretrieval processes—and hampered exploration—executive control processes—in AD and potentially in MCI.
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Keyword:
[SCCO]Cognitive science; Alzheimer's disease; MCI (mild cognitive impairment); Semantic speech analysis; Temporal analysis
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URL: https://hal.archives-ouvertes.fr/hal-02339134
https://doi.org/10.1016/j.neuropsychologia.2019.05.007
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Fully Automatic Speech-Based Analysis of the Semantic Verbal Fluency Task
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In: ISSN: 1420-8008 ; EISSN: 1421-9824 ; Dementia and Geriatric Cognitive Disorders ; https://hal.inria.fr/hal-01850408 ; Dementia and Geriatric Cognitive Disorders, Karger, 2018, 45 (3-4), pp.198 - 209. ⟨10.1159/000487852⟩ (2018)
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Telephone-based Dementia Screening I: Automated Semantic Verbal Fluency Assessment
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In: PervasiveHealth 2018 - 12th EAI International Conference on Pervasive Computing Technologies for Healthcare ; https://hal.inria.fr/hal-01850406 ; PervasiveHealth 2018 - 12th EAI International Conference on Pervasive Computing Technologies for Healthcare, May 2018, New York United States. ⟨10.1145/nnnnnnn.nnnnnnn⟩ (2018)
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Automatic Detection of Apathy using Acoustic Markers extracted from Free Emotional Speech
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In: 2ND WORKSHOP ON AI FOR AGING, REHABILITATION AND INDEPENDENT ASSISTED LIVING (ARIAL) @IJCAI'18 ; https://hal.inria.fr/hal-01850436 ; 2ND WORKSHOP ON AI FOR AGING, REHABILITATION AND INDEPENDENT ASSISTED LIVING (ARIAL) @IJCAI'18, Jul 2018, Stockholm Sweden (2018)
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Use of Speech Analyses within a mobile application for the Assessment of cognitive impairment in elderly people
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In: ISSN: 1567-2050 ; Current Alzheimer Research ; https://hal.inria.fr/hal-01672580 ; Current Alzheimer Research, Bentham Science Publishers, 2017, 14, pp.120 - 129. ⟨10.2174/1567205014666170829111942⟩ (2017)
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