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Cortical microstructure in primary progressive aphasia: a multicenter study.
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In: Alzheimer's research & therapy, vol 14, iss 1 (2022)
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Protocol for the development of the international population registry for aphasia after stroke (I-PRAISE)
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In: Research outputs 2014 to 2021 (2022)
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An umbrella review of aphasia intervention description in research: The AsPIRE project
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In: Research outputs 2014 to 2021 (2022)
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Development and diagnostic validation of the Brisbane Evidence-Based Language Test
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In: Research outputs 2014 to 2021 (2022)
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Utilising a systematic review-based approach to create a database of individual participant data for meta- and network meta-analyses: The RELEASE database of aphasia after stroke
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In: Research outputs 2014 to 2021 (2022)
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Inter-rater reliability, intra-rater reliability and internal consistency of the Brisbane Evidence-Based Language Test
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In: Research outputs 2014 to 2021 (2022)
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Developing, monitoring, and reporting of fidelity in aphasia trials: Core recommendations from the collaboration of aphasia trialists (CATs) trials for aphasia panel
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In: Research outputs 2022 to 2026 (2022)
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An aphasia research agenda – a consensus statement from the collaboration of aphasia trialists
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In: Research outputs 2014 to 2021 (2022)
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Investigation of the implementation of a communication enhanced environment model on an acute/slow stream rehabilitation and a rehabilitation ward: A before-and-after pilot study
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In: Research outputs 2014 to 2021 (2022)
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Neuro-Oncology Patients as Human Research Subjects: Ethical Considerations for Cognitive and Behavioral Testing for Research Purposes
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In: Cancers; Volume 14; Issue 3; Pages: 692 (2022)
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A Preliminary Report of Network Electroencephalographic Measures in Primary Progressive Apraxia of Speech and Aphasia
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In: Brain Sciences; Volume 12; Issue 3; Pages: 378 (2022)
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Abstract:
The objective of this study was to characterize network-level changes in nonfluent/agrammatic Primary Progressive Aphasia (agPPA) and Primary Progressive Apraxia of Speech (PPAOS) with graph theory (GT) measures derived from scalp electroencephalography (EEG) recordings. EEGs of 15 agPPA and 7 PPAOS patients were collected during relaxed wakefulness with eyes closed (21 electrodes, 10–20 positions, 256 Hz sampling rate, 1–200 Hz bandpass filter). Eight artifact-free, non-overlapping 1024-point epochs were selected. Via Brainwave software, GT weighted connectivity and minimum spanning tree (MST) measures were calculated for theta and upper and lower alpha frequency bands. Differences in GT and MST measures between agPPA and PPAOS were assessed with Wilcoxon rank-sum tests. Of greatest interest, Spearman correlations were computed between behavioral and network measures in all frequency bands across all patients. There were no statistically significant differences in GT or MST measures between agPPA and PPAOS. There were significant correlations between several network and behavioral variables. The correlations demonstrate a relationship between reduced global efficiency and clinical symptom severity (e.g., parkinsonism, AOS). This preliminary, exploratory study demonstrates potential for EEG GT measures to quantify network changes associated with degenerative speech–language disorders.
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Keyword:
electroencephalography (EEG); graph theory; network analysis; primary progressive aphasia; progressive apraxia of speech
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URL: https://doi.org/10.3390/brainsci12030378
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Effect of Lexical-Semantic Cues during Real-Time Sentence Processing in Aphasia
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In: Brain Sciences; Volume 12; Issue 3; Pages: 312 (2022)
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Primary and Secondary Progressive Aphasia in Posterior Cortical Atrophy
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In: Life; Volume 12; Issue 5; Pages: 662 (2022)
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Imaging Clinical Subtypes and Associated Brain Networks in Alzheimer’s Disease
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In: Brain Sciences; Volume 12; Issue 2; Pages: 146 (2022)
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Benefits from Repetitive Transcranial Magnetic Stimulation in Post-Stroke Rehabilitation
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In: Journal of Clinical Medicine; Volume 11; Issue 8; Pages: 2149 (2022)
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The contribution of white matter pathology, hypoperfusion, lesion load, and stroke recurrence to language deficits following acute subcortical left hemisphere stroke ...
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A 'Mini Linguistic State Examination' to classify primary progressive aphasia. ...
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A 'Mini Linguistic State Examination' to classify primary progressive aphasia. ...
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Relationship between Cognitive Styles and Emotional Status of Primary four Pupils with Aphasia in Sokoto State, Nigeria ...
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Relationship between Cognitive Styles and Emotional Status of Primary four Pupils with Aphasia in Sokoto State, Nigeria ...
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