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Hits 61 – 80 of 234

61
Investigating the language, cognition and self-monitoring abilities of speakers with jargon output
Purcell, R; Lambon Ralph, Matthew; Sage, K. - : Informa UK Limited, 2019. : Aphasiology, 2019
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62
Assessing and mapping language, attention and executive multidimensional deficits in stroke aphasia
Schumacher, Rahel; Halai, Ajay D; Lambon Ralph, Matthew A. - : Oxford University Press, 2019
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63
Unveiling the dynamic interplay between the hub- and spoke-components of the brain's semantic system and its impact on human behaviour
Chiou, Rocco; Lambon Ralph, Matthew A.. - : Academic Press, 2019
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64
Exploring distinct default mode and semantic networks using a systematic ICA approach
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65
The contribution of executive control to semantic cognition : Convergent evidence from semantic aphasia and executive dysfunction
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66
Shared processes resolve competition within and between episodic and semantic memory: Evidence from patients with LIFG lesions
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67
Unification of behavioural, computational and neural accounts of word production errors in post-stroke aphasia
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68
Noun and verb processing in aphasia: Behavioural profiles and neural correlates
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69
Relating resting-state hemodynamic changes to the variable language profiles in post-stroke aphasia
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70
Predicting the pattern and severity of chronic post-stroke language deficits from functionally-partitioned structural lesions
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71
Shared processes resolve competition within and between episodic and semantic memory: Evidence from patients with LIFG lesions
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72
The Roles of Left Versus Right Anterior Temporal Lobes in Semantic Memory: A Neuropsychological Comparison of Postsurgical Temporal Lobe Epilepsy Patients
Rice, Grace E; Caswell, Helen; Moore, Perry. - : Oxford University Press, 2018
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73
The contribution of executive control to semantic cognition: Convergent evidence from semantic aphasia and executive dysfunction
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74
Targeted memory reactivation of newly learned words during sleep triggers REM-mediated integration of new memories and existing knowledge.
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75
Triangulation of language-cognitive impairments, naming errors and their neural bases post-stroke
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76
The behavioural patterns and neural correlates of concrete and abstract verb processing in aphasia: A novel verb semantic battery
Abstract: Typically, processing is more accurate and efficient for concrete than abstract concepts in both healthy adults and individuals with aphasia. While, concreteness effects have been thoroughly documented with respect to noun processing, other words classes have received little attention despite tending to be less concrete than nouns. The aim of the current study was to explore concrete-abstract differences in verbs and identify their neural correlates in post-stroke aphasia. Given the dearth of comprehension tests for verbs, a battery of neuropsychological tests was developed in this study to assess the comprehension of concrete and abstract verbs. Specifically, a sensitive verb synonym judgment test was generated that varied both the items' imageability and frequency, and a picture-to-word matching test with numerous concrete verbs. Normative data were then collected and the tests were administered to a cohort of 48 individuals with chronic post-stroke aphasia to explore the behavioural patterns and neural correlates of verb processing. The results revealed significantly better comprehension of concrete than abstract verbs, aligning with the existing aphasiological literature on noun processing. In addition, the patients performed better during verb comprehension than verb production. Lesion-symptom correlational analyses revealed common areas that support processing of concrete and abstract verbs, including the left anterior temporal lobe, posterior supramarginal gyrus and superior lateral occipital cortex. A direct contrast between them revealed additional regions with graded differences. Specifically, the left frontal regions were associated with processing abstract verbs; whereas, the left posterior temporal and occipital regions were associated with processing concrete verbs. Moreover, overlapping and distinct neural correlates were identified in association with the comprehension and production of concrete verbs. These patient findings align with data from functional neuroimaging and neuro-stimulation, and existing models of language organisation.
Keyword: Regular Article
URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5883238/
https://doi.org/10.1016/j.nicl.2017.12.009
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77
Seeing the Meaning: Top–Down Effects on Letter Identification
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78
A unified model of human semantic knowledge and its disorders
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79
Task-based and resting-state fMRI reveal compensatory network changes following damage to left inferior frontal gyrus
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80
The anterior temporal cortex is a primary semantic source of top-down influences on object recognition
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