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Age of Onset and Duration of Deafness Drive Brain Organization for Biological Motion Perception in Non-Signers
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| 2 |
Modelling Non-linear Relationships in ERP Data Using Mixed-effects Regression with R Examples
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Abstract:
The paper has a companion animation of scalp topographies through time, "Topomaps.mp4", and a companion R package "nIEEG", and supplementary material "under_the_hood". ; The relationship between two variables is very often assumed to be a straight line. However, there are many problems for which this assumption does not hold. In this paper, we show that the assumption of linearity, an assumption commonly made in ERP research, comes at a cost and may significantly affect the quality of the inferences drawn from the data. We demonstrate why the assumption of linearity should be relaxed and how to model non-linear relationships between ERP amplitudes and predictor variables using restricted cubic splines and mixed-effects regression. This paper has been written in LaTeX using Sweave and R, and the source document is provided as supplementary material. The data, a pdf of this paper, the .Rnw file used to write it, and the R code used to generate all of the analyses, tables, and figures presented here are available in package EEGLMERdata. The package is available as supplementary material for this article, and also from DALSPACE. These resources can be used to work through the examples, and potentially act as a starting point for the reader's own forays into mixed-effects analysis. ; A.T. was supported during data collection by a Social Sciences and Humanities Research Council of Canada (SSHRC) doctoral fellowship while in the Department of Linguistics at the University of Alberta, Edmonton, Canada (2007--2009). A.T. was supported during analysis and writing by a SSHRC post-doctoral fellowship in the Department of Psychology and Neuroscience at Dalhousie University, Halifax, Canada (2011--2013). A.J.N. was supported by a SSHRC Standard Research Grant.
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Keyword:
cubic splines; EEG; ERP; GAMM; non-linear relationships
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URL: http://hdl.handle.net/10222/22146
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| 5 |
Grammar Predicts Procedural Learning and Consolidation Deficits in Children with Specific Language Impairment
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| 6 |
Are lexical bundles stored and processed as single units?
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In: Working Papers of the Linguistics Circle; Vol 19 No 1 (2009); 258 ; 1920-440X ; 1200-3344 (2011)
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| 7 |
A radical construction grammar analysis of Mandarin Chinese SOV sentences
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In: Working Papers of the Linguistics Circle; Vol 19 No 1 (2009); 124-140 ; 1920-440X ; 1200-3344 (2011)
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| 8 |
The effects of N-gram probabilistic measures on the recognition and production of four-word sequences
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| 9 |
The effects of N-gram probabilistic measures on the recognition and production of four-word sequences
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| 10 |
The Influence of Language Proficiency on Lexical Semantic Processing in Native and Late Learners of English
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