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Individual differences in gradients of intrinsic connectivity within the semantic network relate to distinct aspects of semantic cognition
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The influence of language dominance and domain-general executive control on semantic context effects
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Impaired emotion perception and categorization in semantic aphasia
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Intrinsic Connectivity of Anterior Temporal Lobe Relates to Individual Differences in in Semantic Retrieval for Landmarks
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Knowing what you need to know in advance : The neural processes underpinning flexible semantic retrieval of thematic and taxonomic relations
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Control the source: Source memory for semantic, spatial and self-related items in patients with LIFG lesions ...
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Tidier descriptions of speech and language therapy interventions for people with aphasia; consensus from the release collaboration
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In: Research outputs 2014 to 2021 (2018)
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The interplay between control processes and feature relevance: Evidence from dual task methodology ...
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Who participates in aphasia research?: an analysis of the REhabilitation and recovery of peopLE with Aphasia after StrokE (RELEASE) data set
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| 10 |
How Does Featural Salience Affect Semantic Control Processes? A Preliminary Study
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Abstract:
Patients with multimodal semantic impairment following stroke (referred to here as ‘semantic aphasia’, SA) are highly sensitive to the cognitive control demands of the task being performed and poor at inhibiting strongly associated distracters and focusing on less dominant aspects of meaning. Here, using feature selection tasks, we tested the role played by a semantic measure of featural salience on the control processes in healthy participants (Experiment 1) and SA patients (Experiment 2). Healthy participants showed a worse performance when the distracter feature was highly salient and the target feature was less salient for the concept, i.e., when there was an interference with voluntary selection of the target feature (Experiment 1). Consistent with these results, the SA patients showed a poorer performance than older controls when the target feature was weakly related to the concept (Experiment 2). In line with the feature-based models of the semantic memory, we discuss these preliminary results in term of greater demands of controlled semantic retrieval when the features are weakly related to the concept in the semantic network.
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Keyword:
feature; selection task; semantic control; semantic impairment
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URL: http://hdl.handle.net/10077/10533
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The selective role of premotor cortex in speech perception : A contribution to phoneme judgements but not speech comprehension
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