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Child Processing of VP Ellipsis Constructions (Callahan et al., 2012) ...
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Child Processing of VP Ellipsis Constructions (Callahan et al., 2012) ...
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Thematic Integration Impairments in Primary Progressive Aphasia: Evidence From Eye-Tracking
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In: Front Hum Neurosci (2021)
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Neural networks for sentence comprehension and production: an ALE-based meta-analysis of neuroimaging studies
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In: Hum Brain Mapp (2019)
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The organization of words and environmental sounds in the 2(nd) year: Behavioral and Electrophysiological evidence
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Intrahemispheric Perfusion in Chronic Stroke-Induced Aphasia
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Intrahemispheric Perfusion in Chronic Stroke-Induced Aphasia
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Thompson, Cynthia K.; Walenski, Matthew; Chen, YuFen; Caplan, David; Kiran, Swathi; Rapp, Brenda; Grunewald, Kristin; Nunez, Mia; Zinbarg, Richard; Parrish, Todd B.. - : Hindawi, 2017
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Abstract:
Stroke-induced alterations in cerebral blood flow (perfusion) may contribute to functional language impairments and recovery in chronic aphasia. Using MRI, we examined perfusion in the right and left hemispheres of 35 aphasic and 16 healthy control participants. Across 76 regions (38 per hemisphere), no significant between-subjects differences were found in the left, whereas blood flow in the right was increased in the aphasic compared to the control participants. Region-of-interest (ROI) analyses showed a varied pattern of hypo- and hyperperfused regions across hemispheres in the aphasic participants; however, there were no significant correlations between perfusion values and language abilities in these regions. These patterns may reflect autoregulatory changes in blood flow following stroke and/or increases in general cognitive effort, rather than maladaptive language processing. We also examined blood flow in perilesional tissue, finding the greatest hypoperfusion close to the lesion (within 0–6 mm), with greater hypoperfusion in this region compared to more distal regions. In addition, hypoperfusion in this region was significantly correlated with language impairment. These findings underscore the need to consider cerebral perfusion as a factor contributing to language deficits in chronic aphasia as well as recovery of language function.
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Keyword:
Research Article
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5357554/ https://doi.org/10.1155/2017/2361691
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The comprehension of sentences with unaccusative verbs in aphasia: a test of the intervener hypothesis
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The organization of words and environmental sounds in memory☆
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The Auditory Comprehension of Wh-Questions in Aphasia: Support for the Intervener Hypothesis
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Inflectional morphology in high-functioning autism: Evidence for speeded grammatical processing
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The Auditory Comprehension of Unaccusative Verbs in Aphasia
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Children's computation of complex linguistic forms: a study of frequency and imageability effects.
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In: PloS one, vol 8, iss 9 (2013)
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Children's Computation of Complex Linguistic Forms: A Study of Frequency and Imageability Effects
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Comprehension of Who and Which-NP questions: Which Account do the Data Support?
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The Time-Course of Lexical Activation During Sentence Comprehension in People With Aphasia
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Structure-function correspondences in Broca’s aphasia: Evidence from MRI and comprehension of verb phrase ellipsis constructions
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The role of parallelism in the real-time processing of anaphora
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Grammatical processing in schizophrenia: Evidence from morphology
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