PREVIEW AND PRIMING: BRIDGING THE GAP BETWEEN BEAVIORAL AND NEURAL MEASURES OF READING

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Last Modified
  • March 21, 2019
Creator
  • Pancani, Giulia
    • Affiliation: College of Arts and Sciences, Department of Psychology and Neuroscience
Abstract
  • Behavioral and neural measures of reading offer divergent estimates of the time-course of word recognition. The current work aims to reconcile Eye-Movement (EM) and Event-Related Potential (ERP) measures with a series of experiments in which methodological differences are reduced or eliminated. Experiment 1 shows that Masked Repetition priming affects an early ERP component (N250) which overlaps with the timeframe of EM effects, and a later component (N400). These effects occur in both isolated word recognition and sentence reading tasks. Experiments 2-4 show that processing is delayed when semantically unrelated or physically deviant information is present in the parafovea. The time-course of the effect of physically deviant previews shows overlap between EMs and Fixation Related Potentials (FRPs), where it impacts the P300. In contrast, Unrelated stimuli impact EMs incrementally as fixations grow longer, but they do not impact the FRP until later, on the N400 component.
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  • In Copyright
Advisor
  • Gordon, Peter
  • Hopfinger, Joseph
  • Arnold, Jennifer
Degree
  • Master of Arts
Degree granting institution
  • University of North Carolina at Chapel Hill Graduate School
Graduation year
  • 2016
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