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Multimodal Event Knowledge in Online Sentence Comprehension: The Influence of Visual Context on Anticipatory Eye Movements
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In: Psychology Publications (2019)
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| 4 |
Universal Features in Phonological Neighbor Networks
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In: Entropy (Basel) (2018)
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| 6 |
Universal Features in Phonological Neighbor Networks
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In: Psychology Publications (2018)
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Abstract Concepts and Pictures of Real-World Situations Activate One Another.
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In: Psychology Publications (2018)
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| 8 |
Abstract Concepts and Pictures of Real-World Situations Activate One Another.
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In: Brain and Mind Institute Researchers' Publications (2018)
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| 9 |
Universal Features in Phonological Neighbor Networks
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In: Brain and Mind Institute Researchers' Publications (2018)
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| 10 |
Differential Impairments of Upper and Lower Limb Movements Influence Action Verb Processing in Parkinson Disease
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In: Psychology Publications (2017)
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| 11 |
Abnormal Semantic Knowledge in a Case of Developmental Amnesia
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In: Psychology Publications (2017)
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| 12 |
Abnormal semantic knowledge in a case of developmental amnesia.
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In: Brain and Mind Institute Researchers' Publications (2017)
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Abstract:
An important theory holds that semantic knowledge can develop independently of episodic memory. One strong source of evidence supporting this independence comes from the observation that individuals with early hippocampal damage leading to developmental amnesia generally perform normally on standard tests of semantic memory, despite their profound impairment in episodic memory. However, one aspect of semantic memory that has not been explored is conceptual structure. We built on the theoretically important distinction between intrinsic features of object concepts (e.g., shape, colour, parts) and extrinsic features (e.g., how something is used, where it is typically located). The accrual of extrinsic feature knowledge that is important for concepts such as chair or spoon may depend on binding mechanisms in the hippocampus. We tested HC, an individual with developmental amnesia due to a well-characterized lesion of the hippocampus, on her ability to generate semantic features for object concepts. HC generated fewer extrinsic features than controls, but a similar number of intrinsic features than controls. We also tested her on typicality ratings. Her typicality ratings were abnormal for nonliving things (which more strongly depend on extrinsic features), but normal for living things (which more strongly depend on intrinsic features). In contrast, NB, who has MTL but not hippocampal damage due to surgery, showed no impairments in either task. These results suggest that episodic and semantic memory are not entirely independent, and that the hippocampus is important for learning some aspects of conceptual knowledge.
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Keyword:
Amnesia; Cerebral Cortex; Computer-Assisted; Developmental Disabilities; Female; Humans; Image Processing; Intelligence; Magnetic Resonance Imaging; Male; Neuropsychological Tests; Neurosciences; Psychology; Semantics; Verbal Learning; Young Adult
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URL: https://ir.lib.uwo.ca/brainpub/283
https://doi.org/10.1016/j.neuropsychologia.2017.06.018
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| 13 |
Complement Coercion: The Joint Effects of Type and Typicality
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In: Psychology Publications (2017)
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| 14 |
Thematic relatedness production norms for 100 object concepts
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In: Springer US (2016)
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| 15 |
Thematic Relatedness Production Norms for 100 Object Concepts
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In: Psychology Publications (2015)
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| 17 |
The reliability of the N400 in single subjects: Implications for patients with disorders of consciousness
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| 18 |
The reliability of the N400 in single subjects: Implications for patients with disorders of consciousness
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| 19 |
Simulating the N400 ERP Component as Semantic Network Error: Insights from a Feature-Based Connectionist Attractor Model of Word Meaning
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In: Psychology Publications (2014)
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| 20 |
The Reliability of the N400 in Single Subjects: Implications for Patients with Disorders of Consciousness
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In: Psychology Publications (2014)
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