Search Results for author: Shravan Vasishth

Found 14 papers, 3 papers with code

Modeling Sentence Comprehension Deficits in Aphasia: A Computational Evaluation of the Direct-access Model of Retrieval

no code implementations NAACL (CMCL) 2021 Paula Lissón, Dorothea Pregla, Dario Paape, Frank Burchert, Nicole Stadie, Shravan Vasishth

Several researchers have argued that sentence comprehension is mediated via a content-addressable retrieval mechanism that allows fast and direct access to memory items.

Retrieval Sentence

SEAM: An Integrated Activation-Coupled Model of Sentence Processing and Eye Movements in Reading

no code implementations9 Mar 2023 Maximilian M. Rabe, Dario Paape, Daniela Mertzen, Shravan Vasishth, Ralf Engbert

Developing such an integrated model is extremely challenging and computationally demanding, but such an integration is an important step toward complete mathematical models of natural language comprehension in reading.

Sentence

When words collide: Bayesian meta-analyses of distractor and target properties in the picture-word interference paradigm

no code implementations10 Aug 2020 Audrey Bürki, F. -Xavier Alario, Shravan Vasishth

Finally, we found that distractor word frequency and target word frequency interact; the effect of distractor frequency decreases as the frequency of the target word increases.

A computational investigation of sources of variability in sentence comprehension difficulty in aphasia

no code implementations14 Mar 2017 Paul Mätzig, Shravan Vasishth, Felix Engelmann, David Caplan

We present a computational evaluation of three hypotheses about sources of deficit in sentence comprehension in aphasia: slowed processing, intermittent deficiency, and resource reduction.

Sentence

Feature overwriting as a finite mixture process: Evidence from comprehension data

no code implementations12 Mar 2017 Shravan Vasishth, Lena A. Jäger, Bruno Nicenboim

One explanation for this facilitation effect is the feature percolation account: the plural feature on cabinets percolates up to the head noun key, leading to the illusion.

Retrieval Sentence

Models of retrieval in sentence comprehension: A computational evaluation using Bayesian hierarchical modeling

no code implementations13 Dec 2016 Bruno Nicenboim, Shravan Vasishth

We show that by introducing a modification of the activation model, i. e, by assuming that the accumulation of evidence for retrieval of incorrect items is not only slower but noisier (i. e., different variances for the correct and incorrect items), the model can provide a fit as good as the one of the direct access model.

Retrieval Sentence

Introduction: Cognitive Issues in Natural Language Processing

no code implementations24 Oct 2016 Thierry Poibeau, Shravan Vasishth

This special issue is dedicated to get a better picture of the relationships between computational linguistics and cognitive science.

Language Modelling

Balancing Type I Error and Power in Linear Mixed Models

1 code implementation5 Nov 2015 Hannes Matuschek, Reinhold Kliegl, Shravan Vasishth, Harald Baayen, Douglas Bates

Linear mixed-effects models have increasingly replaced mixed-model analyses of variance for statistical inference in factorial psycholinguistic experiments.

Applications

Bayesian linear mixed models using Stan: A tutorial for psychologists, linguists, and cognitive scientists

1 code implementation20 Jun 2015 Tanner Sorensen, Shravan Vasishth

With the arrival of the R packages nlme and lme4, linear mixed models (LMMs) have come to be widely used in experimentally-driven areas like psychology, linguistics, and cognitive science.

Methodology

Parsimonious Mixed Models

1 code implementation16 Jun 2015 Douglas Bates, Reinhold Kliegl, Shravan Vasishth, Harald Baayen

The analysis of experimental data with mixed-effects models requires decisions about the specification of the appropriate random-effects structure.

Methodology

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