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The Domain-General Multiple Demand Network Is More Active in Early Balanced Bilinguals Than Monolinguals During Executive Processing
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In: MIT Press (2022)
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Grammatical cues are largely, but not completely, redundant with word meanings in natural language ...
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An ERP index of real-time error correction within a noisy-channel framework of human communication.
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Syntactic dependencies correspond to word pairs with high mutual information
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In: Association for Computational Linguistics (2021)
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The Language Network is Recruited but Not Required for Nonverbal Event Semantics
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In: MIT Press (2021)
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Breakdowns in Informativeness of Naturalistic Speech Production in Primary Progressive Aphasia
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In: MDPI (2021)
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Abstract:
Functional communication” refers to an individual’s ability to communicate effectively in his or her everyday environment, and thus is a paramount skill to monitor and target therapeutically in people with aphasia. However, traditional controlled-paradigm assessments commonly used in both research and clinical settings often fail to adequately capture this ability. In the current study, facets of functional communication were measured from picture-elicited speech samples from 70 individuals with mild primary progressive aphasia (PPA), including the three variants, and 31 age-matched controls. Building upon methods recently used by Berube et al. (2019), we measured the informativeness of speech by quantifying the content of each patient’s description that was relevant to a picture relative to the total amount of speech they produced. Importantly, form-based errors, such as mispronunciations of words, unusual word choices, or grammatical mistakes are not penalized in this approach. We found that the relative informativeness, or efficiency, of speech was preserved in non-fluent variant PPA patients as compared with controls, whereas the logopenic and semantic variant PPA patients produced significantly less informative output. Furthermore, reduced informativeness in the semantic variant is attributable to a lower production of content units and a propensity for self-referential tangents, whereas for the logopenic variant, a lower production of content units and relatively ”empty” speech and false starts contribute to this reduction. These findings demonstrate that functional communication impairment does not uniformly affect all the PPA variants and highlight the utility of naturalistic speech analysis for measuring the breakdown of functional communication in PPA.
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URL: https://hdl.handle.net/1721.1/130477
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Lack of selectivity for syntax relative to word meanings throughout the language network
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In: PMC (2021)
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Neural encoding and production of functional morphemes in the posterior temporal lobe
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In: Nature (2021)
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Syntactic dependencies correspond to word pairs with high mutual information
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In: Association for Computational Linguistics (2021)
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Breakdowns in Informativeness of Naturalistic Speech Production in Primary Progressive Aphasia
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In: Multidisciplinary Digital Publishing Institute (2021)
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An ERP index of real-time error correction within a noisy-channel framework of human communication
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In: bioRxiv (2021)
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Do domain-general executive resources play a role in linguistic prediction? Re-evaluation of the evidence and a path forward
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In: Prof. Fedorenko (2021)
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No evidence for differences among language regions in their temporal receptive windows
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In: Elsevier (2021)
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No evidence for differences among language regions in their temporal receptive windows
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In: Elsevier (2021)
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Comprehension of computer code relies primarily on domain-general executive brain regions
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In: eLife (2021)
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Functional Network Dynamics of the Language System
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In: Oxford University Press (2021)
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The Small and Efficient Language Network of Polyglots and Hyper-polyglots
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In: bioRxiv (2021)
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The domain-general multiple demand (MD) network does not support core aspects of language comprehension: a large-scale fMRI investigation
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In: Journal of Neuroscience (2021)
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Similarity of computations across domains does not imply shared implementation: The case of language comprehension
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In: Curr Dir Psychol Sci (2021)
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