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Development of a standard of care for patients with valosin-containing protein associated multisystem proteinopathy.
In: Orphanet journal of rare diseases, vol 17, iss 1 (2022)
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Development of a standard of care for patients with valosin-containing protein associated multisystem proteinopathy ...
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Development of a standard of care for patients with valosin-containing protein associated multisystem proteinopathy ...
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Development of a standard of care for patients with valosin-containing protein associated multisystem proteinopathy
In: Orphanet J Rare Dis (2022)
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5
Resting functional connectivity in the semantic appraisal network predicts accuracy of emotion identification.
Yang, Winson FZ; Toller, Gianina; Shdo, Suzanne. - : eScholarship, University of California, 2021
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Resting functional connectivity in the semantic appraisal network predicts accuracy of emotion identification.
Yang, Winson FZ; Toller, Gianina; Shdo, Suzanne. - : eScholarship, University of California, 2021
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7
Resting functional connectivity in the semantic appraisal network predicts accuracy of emotion identification
In: Neuroimage Clin (2021)
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8
Primary progressive aphasia and the FTD-MND spectrum disorders: clinical, pathological, and neuroimaging correlates ...
Vinceti, Giulia; Olney, Nicholas; Mandelli, Maria Luisa. - : Taylor & Francis, 2020
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Primary progressive aphasia and the FTD-MND spectrum disorders: clinical, pathological, and neuroimaging correlates ...
Vinceti, Giulia; Olney, Nicholas; Mandelli, Maria Luisa. - : Taylor & Francis, 2020
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10
Task-Free Functional Language Networks: Reproducibility and Clinical Application
In: J Neurosci (2020)
Abstract: Intrinsic connectivity networks (ICNs) identified through task-free fMRI (tf-fMRI) offer the opportunity to investigate human brain circuits involved in language processes without requiring participants to perform challenging cognitive tasks. In this study, we assessed the ability of tf-fMRI to isolate reproducible networks critical for specific language functions and often damaged in primary progressive aphasia (PPA). First, we performed whole-brain seed-based correlation analyses on tf-fMRI data to identify ICNs anchored in regions known for articulatory, phonological, and semantic processes in healthy male and female controls (HCs). We then evaluated the reproducibility of these ICNs in an independent cohort of HCs, and recapitulated their functional relevance with a post hoc meta-analysis on task-based fMRI. Last, we investigated whether atrophy in these ICNs could inform the differential diagnosis of nonfluent/agrammatic, semantic, and logopenic PPA variants. The identified ICNs included a dorsal articulatory-phonological network involving inferior frontal and supramarginal regions; a ventral semantic network involving anterior middle temporal and angular gyri; a speech perception network involving superior temporal and sensorimotor regions; and a network between posterior inferior temporal and intraparietal regions likely linking visual, phonological, and attentional processes for written language. These ICNs were highly reproducible across independent groups and revealed areas consistent with those emerging from task-based meta-analysis. By comparing ICNs' spatial distribution in HCs with patients' atrophy patterns, we identified ICNs associated with each PPA variant. Our findings demonstrate the potential use of tf-fMRI to investigate the functional status of language networks in patients for whom activation studies can be methodologically challenging. SIGNIFICANCE STATEMENT We showed that a single, short, task-free fMRI acquisition is able to identify four reproducible and relatively segregated intrinsic left-dominant networks associated with articulatory, phonological, semantic, and multimodal orthography-to-phonology processes, in HCs. We also showed that these intrinsic networks relate to syndrome-specific atrophy patterns in primary progressive aphasia. Collectively, our results support the application of task-free fMRI in future research to study functionality of language circuits in patients for whom tasked-based activation studies might be methodologically challenging.
Keyword: Research Articles
URL: http://www.ncbi.nlm.nih.gov/pubmed/31852732
https://doi.org/10.1523/JNEUROSCI.1485-19.2019
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7002153/
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11
Thalamo-cortical network hyperconnectivity in preclinical progranulin mutation carriers.
Lee, Suzee E; Sias, Ana C; Kosik, Eena L. - : eScholarship, University of California, 2019
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12
Thalamo-cortical network hyperconnectivity in preclinical progranulin mutation carriers.
In: Lee, Suzee E; Sias, Ana C; Kosik, Eena L; Flagan, Taru M; Deng, Jersey; Chu, Stephanie A; et al.(2019). Thalamo-cortical network hyperconnectivity in preclinical progranulin mutation carriers. NeuroImage. Clinical, 22, 101751. doi:10.1016/j.nicl.2019.101751. UCLA: Retrieved from: http://www.escholarship.org/uc/item/6vv8g8qt (2019)
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13
Divergent patterns of loss of interpersonal warmth in frontotemporal dementia syndromes are predicted by altered intrinsic network connectivity.
In: Toller, Gianina; Yang, Winson FZ; Brown, Jesse A; Ranasinghe, Kamalini G; Shdo, Suzanne M; Kramer, Joel H; et al.(2019). Divergent patterns of loss of interpersonal warmth in frontotemporal dementia syndromes are predicted by altered intrinsic network connectivity. NeuroImage. Clinical, 22, 101729. doi:10.1016/j.nicl.2019.101729. UCSF: Retrieved from: http://www.escholarship.org/uc/item/9qm527cr (2019)
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14
Factors that predict diagnostic stability in neurodegenerative dementia.
In: Journal of neurology, vol 266, iss 8 (2019)
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15
Factors that predict diagnostic stability in neurodegenerative dementia.
In: Journal of neurology, vol 266, iss 8 (2019)
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Cortical developmental abnormalities in logopenic variant primary progressive aphasia with dyslexia.
In: Brain communications, vol 1, iss 1 (2019)
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17
Divergent patterns of loss of interpersonal warmth in frontotemporal dementia syndromes are predicted by altered intrinsic network connectivity.
Toller, Gianina; Yang, Winson FZ; Brown, Jesse A. - : eScholarship, University of California, 2019
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18
Thalamo-cortical network hyperconnectivity in preclinical progranulin mutation carriers.
Lee, Suzee E; Sias, Ana C; Kosik, Eena L. - : eScholarship, University of California, 2019
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19
Cortical developmental abnormalities in logopenic variant primary progressive aphasia with dyslexia.
In: Brain communications, vol 1, iss 1 (2019)
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20
Divergent patterns of loss of interpersonal warmth in frontotemporal dementia syndromes are predicted by altered intrinsic network connectivity.
Toller, Gianina; Yang, Winson FZ; Brown, Jesse A. - : eScholarship, University of California, 2019
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