Publications by authors named "Shawn Ell"

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Neural dynamics underlying the acquisition of distinct auditory category structures.
Gangyi Feng, Zhenzhong Gan, Han Gyol Yi, Shawn W Ell, Casey L Roark

Neuroimage· December 2021

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The impact of training methodology and representation on rule-based categorization: An fMRI study.
Sébastien Hélie, Farzin Shamloo, Hanru Zhang, Shawn W Ell

Cogn Affect Behav Neurosci· August 2021

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Learning and generalization of within-category representations in a rule-based category structure.
Shawn W Ell, David B Smith, Rose Deng, Sébastien Hélie

Atten Percept Psychophys· July 2020

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The impact of training methodology and category structure on the formation of new categories from existing knowledge.
Sébastien Hélie, Farzin Shamloo, Shawn W Ell

Psychol Res· June 2020

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The effect of training methodology on knowledge representation in categorization.
Sébastien Hélie, Farzin Shamloo, Shawn W Ell

PLoS One· October 2017

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The impact of category structure and training methodology on learning and generalizing within-category representations.
Shawn W Ell, David B Smith, Gabriela Peralta, Sébastien Hélie

Atten Percept Psychophys· August 2017

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Trial-by-trial identification of categorization strategy using iterative decision-bound modeling.
Sébastien Hélie, Benjamin O Turner, Matthew J Crossley, Shawn W Ell, F Gregory Ashby

Behav Res Methods· June 2017

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One Giant Leap for Categorizers: One Small Step for Categorization Theory.
J David Smith, Shawn W Ell

PLoS One· May 2016

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Criterion learning in rule-based categorization: simulation of neural mechanism and new data.
Sebastien Helie, Shawn W Ell, J Vincent Filoteo, W Todd Maddox

Brain Cogn· April 2015

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Learning robust cortico-cortical associations with the basal ganglia: an integrative review.
Sébastien Hélie, Shawn W Ell, F Gregory Ashby

Cortex· March 2015

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Is pressure stressful? The impact of pressure on the stress response and category learning.
Shannon K McCoy, Steven Hutchinson, Lauren Hawthorne, Brandon J Cosley, Shawn W Ell

Cogn Affect Behav Neurosci· June 2014

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Targeted training of the decision rule benefits rule-guided behavior in Parkinson's disease.
Shawn W Ell

Cogn Affect Behav Neurosci· December 2013

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Unsupervised category learning with integral-dimension stimuli.
Shawn W Ell, F Gregory Ashby, Steven Hutchinson

Q J Exp Psychol (Hove)· January 2013

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The impact of category separation on unsupervised categorization.
Shawn W Ell, F Gregory Ashby

Atten Percept Psychophys· February 2012

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When bad stress goes good: increased threat reactivity predicts improved category learning performance.
Shawn W Ell, Brandon Cosley, Shannon K McCoy

Psychon Bull Rev· February 2011

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Rule-based categorization deficits in focal basal ganglia lesion and Parkinson's disease patients.
Shawn W Ell, Andrea Weinstein, Richard B Ivry

Neuropsychologia· August 2010

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Prefrontal contributions to rule-based and information-integration category learning.
David M Schnyer, W Todd Maddox, Shawn Ell, Sarah Davis, Jenni Pacheco, Mieke Verfaellie

Neuropsychologia· November 2009

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Criterial noise effects on rule-based category learning: the impact of delayed feedback.
Shawn W Ell, A David Ing, W Todd Maddox

Atten Percept Psychophys· August 2009

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Cerebellar pathology does not impair performance on identification or categorization tasks.
Shawn W Ell, Richard B Ivry

J Int Neuropsychol Soc· September 2008

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Focal putamen lesions impair learning in rule-based, but not information-integration categorization tasks.
Shawn W Ell, Natalie L Marchant, Richard B Ivry

Neuropsychologia· September 2006

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The effects of category overlap on information-integration and rule-based category learning.
Shawn W Ell, F Gregory Ashby

Percept Psychophys· August 2006

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FROST: a distributed neurocomputational model of working memory maintenance.
F Gregory Ashby, Shawn W Ell, Vivian V Valentin, Michael B Casale

J Cogn Neurosci· November 2005

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Dynamical trajectories in category learning.
Shawn W Ell, F Gregory Ashby

Percept Psychophys· November 2004

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Procedural learning in perceptual categorization.
F Gregory Ashby, Shawn W Ell, Elliott M Waldron

Mem Cognit· October 2003

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Category learning deficits in Parkinson's disease.
F Gregory Ashby, Sharon Noble, J Vincent Filoteo, Elliot M Waldron, Shawn W Ell

Neuropsychology· January 2003

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