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  1. A Computational Evaluation of Two Models of Retrieval Processes in Sentence Processing in Aphasia.Paula Lissón, Dorothea Pregla, Bruno Nicenboim, Dario Paape, Mick L. het Nederend, Frank Burchert, Nicole Stadie, David Caplan & Shravan Vasishth - 2021 - Cognitive Science 45 (4):e12956.
    Can sentence comprehension impairments in aphasia be explained by difficulties arising from dependency completion processes in parsing? Two distinct models of dependency completion difficulty are investigated, the Lewis and Vasishth (2005) activation‐based model and the direct‐access model (DA; McElree, 2000). These models' predictive performance is compared using data from individuals with aphasia (IWAs) and control participants. The data are from a self‐paced listening task involving subject and object relative clauses. The relative predictive performance of the models is evaluated using k‐fold (...)
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  • Modeling Misretrieval and Feature Substitution in Agreement Attraction: A Computational Evaluation.Dario Paape, Serine Avetisyan, Sol Lago & Shravan Vasishth - 2021 - Cognitive Science 45 (8):e13019.
    We present computational modeling results based on a self‐paced reading study investigating number attraction effects in Eastern Armenian. We implement three novel computational models of agreement attraction in a Bayesian framework and compare their predictive fit to the data using k‐fold cross‐validation. We find that our data are better accounted for by an encoding‐based model of agreement attraction, compared to a retrieval‐based model. A novel methodological contribution of our study is the use of comprehension questions with open‐ended responses, so that (...)
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  • A Principled Approach to Feature Selection in Models of Sentence Processing.Garrett Smith & Shravan Vasishth - 2020 - Cognitive Science 44 (12):e12918.
    Among theories of human language comprehension, cue‐based memory retrieval has proven to be a useful framework for understanding when and how processing difficulty arises in the resolution of long‐distance dependencies. Most previous work in this area has assumed that very general retrieval cues like [+subject] or [+singular] do the work of identifying (and sometimes misidentifying) a retrieval target in order to establish a dependency between words. However, recent work suggests that general, handpicked retrieval cues like these may not be enough (...)
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  • A Computational Evaluation of Two Models of Retrieval Processes in Sentence Processing in Aphasia.Paula Lissón, Dorothea Pregla, Bruno Nicenboim, Dario Paape, Mick L. Van het Nederend, Frank Burchert, Nicole Stadie, David Caplan & Shravan Vasishth - 2021 - Cognitive Science 45 (4):e12956.
    Can sentence comprehension impairments in aphasia be explained by difficulties arising from dependency completion processes in parsing? Two distinct models of dependency completion difficulty are investigated, the Lewis and Vasishth (2005) activation-based model and the direct-access model (DA; McElree, 2000). These models' predictive performance is compared using data from individuals with aphasia (IWAs) and control participants. The data are from a self-paced listening task involving subject and object relative clauses. The relative predictive performance of the models is evaluated using k-fold (...)
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  • Attraction Effects for Verbal Gender and Number Are Similar but Not Identical: Self-Paced Reading Evidence From Modern Standard Arabic.Matthew A. Tucker, Ali Idrissi & Diogo Almeida - 2021 - Frontiers in Psychology 11:586464.
    Previous work on the comprehension of agreement has shown that incorrectly inflected verbs do not trigger responses typically seen with fully ungrammatical verbs when the preceding sentential context furnishes a possibly matching distractor noun (i.e., agreement attraction). We report eight studies, three being direct replications, designed to assess the degree of similarity of these errors in the comprehension of subject-verb agreement along the dimensions of grammatical gender and number in Modern Standard Arabic. A meta-analysis of the results demonstrate the presence (...)
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  • Semantic Attraction in Sentence Comprehension.Anna Laurinavichyute & Titus Malsburg - 2022 - Cognitive Science 46 (2):e13086.
    Cognitive Science, Volume 46, Issue 2, February 2022.
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  • Semantic Attraction in Sentence Comprehension.Anna Laurinavichyute & Titus von der Malsburg - 2022 - Cognitive Science 46 (2):e13086.
    Agreement attraction is a cross-linguistic phenomenon where a verb occasionally agrees not with its subject, as required by grammar, but instead with an unrelated noun (“The key to the cabinets were…”). Despite the clear violation of grammatical rules, comprehenders often rate these sentences as acceptable. Contenders for explaining agreement attraction fall into two broad classes: Morphosyntactic accounts specifically designed to explain agreement attraction, and more general sentence processing models, such as the Lewis and Vasishth model, which explain attraction as a (...)
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  • A Computational Investigation of Sources of Variability in Sentence Comprehension Difficulty in Aphasia.Paul Mätzig, Shravan Vasishth, Felix Engelmann, David Caplan & Frank Burchert - 2018 - Topics in Cognitive Science 10 (1):161-174.
    We present a computational evaluation of three hypotheses about sources of deficit in sentence comprehension in aphasia: slowed processing, intermittent deficiency, and resource reduction. The ACT-R based Lewis and Vasishth model is used to implement these three proposals. Slowed processing is implemented as slowed execution time of parse steps; intermittent deficiency as increased random noise in activation of elements in memory; and resource reduction as reduced spreading activation. As data, we considered subject vs. object relative sentences, presented in a self-paced (...)
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  • Proximity and Same Case Marking Do Not Increase Attraction Effect in Comprehension: Evidence From Eye-Tracking Experiments in Korean.Nayoung Kwon & Patrick Sturt - 2019 - Frontiers in Psychology 10.
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  • Locality and expectation effects in Hindi preverbal constituent ordering.Sidharth Ranjan, Rajakrishnan Rajkumar & Sumeet Agarwal - 2022 - Cognition 223 (C):104959.
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  • Parsing as a Cue-Based Retrieval Model.Jakub Dotlačil - 2021 - Cognitive Science 45 (8):e13020.
    This paper develops a novel psycholinguistic parser and tests it against experimental and corpus reading data. The parser builds on the recent research into memory structures, which argues that memory retrieval is content‐addressable and cue‐based. It is shown that the theory of cue‐based memory systems can be combined with transition‐based parsing to produce a parser that, when combined with the cognitive architecture ACT‐R, can model reading and predict online behavioral measures (reading times and regressions). The parser's modeling capacities are tested (...)
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