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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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Universal Features in Phonological Neighbor Networks
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In: Entropy (Basel) (2018)
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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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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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Universal Features in Phonological Neighbor Networks
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In: Brain and Mind Institute Researchers' Publications (2018)
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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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Abnormal Semantic Knowledge in a Case of Developmental Amnesia
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In: Psychology Publications (2017)
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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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Complement Coercion: The Joint Effects of Type and Typicality
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In: Psychology Publications (2017)
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Thematic relatedness production norms for 100 object concepts
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In: Springer US (2016)
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Thematic Relatedness Production Norms for 100 Object Concepts
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In: Psychology Publications (2015)
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The reliability of the N400 in single subjects: Implications for patients with disorders of consciousness
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Abstract:
Functional neuroimaging assessments of residual cognitive capacities, including those that support language, can improve diagnostic and prognostic accuracy in patients with disorders of consciousness. Due to the portability and relative inexpensiveness of electroencephalography, the N400 event-related potential component has been proposed as a clinically valid means to identify preserved linguistic function in non-communicative patients. Across three experiments, we show that changes in both stimuli and task demands significantly influence the probability of detecting statistically significant N400 effects — that is, the difference in N400 amplitudes caused by the experimental manipulation. In terms of task demands, passively heard linguistic stimuli were significantly less likely to elicit N400 effects than task-relevant stimuli. Due to the inability of the majority of patients with disorders of consciousness to follow task commands, the insensitivity of passive listening would impede the identification of residual language abilities even when such abilities exist. In terms of stimuli, passively heard normatively associated word pairs produced the highest detection rate of N400 effects (50% of the participants), compared with semantically-similar word pairs (0%) and high-cloze sentences (17%). This result is consistent with a prediction error account of N400 magnitude, with highly predictable targets leading to smaller N400 waves, and therefore larger N400 effects. Overall, our data indicate that non-repeating normatively associated word pairs provide the highest probability of detecting single-subject N400s during passive listening, and may thereby provide a clinically viable means of assessing residual linguistic function. We also show that more liberal analyses may further increase the detection-rate, but at the potential cost of increased false alarms.
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Keyword:
BF Psychology
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URL: https://kar.kent.ac.uk/54635/ https://doi.org/10.1016/j.nicl.2014.05.001 https://kar.kent.ac.uk/54635/2/Cruse-2014.pdf
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The reliability of the N400 in single subjects: Implications for patients with disorders of consciousness
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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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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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