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Learning Principles in Aphasia Rehabilitation (Middleton et al., 2016) ...
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Learning Principles in Aphasia Rehabilitation (Middleton et al., 2016) ...
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Mapping articulatory and grammatical sub-components of fluency deficits in post-stroke aphasia
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In: Cogn Affect Behav Neurosci (2019)
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Enhanced estimations of post-stroke aphasia severity using stacked multimodal predictions
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The Timing of Spontaneous Detection and Repair of Naming Errors in Aphasia
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Neural Organization of Spoken Language Revealed by Lesion-Symptom Mapping
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The Ins and Outs of Meaning: Behavioral and Neuroanatomical Dissociation of Semantically-Driven Word Retrieval and Multimodal Semantic Recognition in Aphasia
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Test-Enhanced Learning Versus Errorless Learning in Aphasia Rehabilitation: Testing Competing Psychological Principles
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Theoretical analysis of word production deficits in adult aphasia
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Voxel-based lesion-parameter mapping: Identifying the neural correlates of a computational model of word production
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Abstract:
The dual-route interactive two-step model explains the variation in the error patterns of aphasic speakers in picture naming, and word and nonword repetition tasks. The model has three parameters that can vary across individuals: the efficiency of the connections between semantic and lexical representations (s-weight), between lexical and phonological representations (p-weight), and between representations of auditory input and phonological representations (nl-weight). We determined these parameter values in 103 participants with chronic aphasia from left hemisphere stroke whose lesion locations had been determined. Then, using voxel-based lesion-parameter mapping, we mapped the parameters onto the brain, thus determining the neural correlates of the model’s mechanisms. The maps and the behavioral findings supported the model’s central claim that word repetition is affected by both the p and nl parameters. We propose that these two parameters constitute the model’s analogue of the “dorsal stream” component of neurocognitive models of language processing.
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Keyword:
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URL: http://www.ncbi.nlm.nih.gov/pubmed/23765000 https://doi.org/10.1016/j.cognition.2013.05.007 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3709005
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Learning to Fail in Aphasia: An Investigation of Error Learning in Naming
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The dorsal stream contribution to phonological retrieval in object naming
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The dorsal stream contribution to phonological retrieval in object naming
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Errorless Learning in Cognitive Rehabilitation: A Critical Review
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A large, searchable, web-based database of aphasic performance on picture naming and other tests of cognitive function
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