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Using Eye Movements Recorded in the Visual World Paradigm to Explore the Online Processing of Spoken Language
Published on: October 13, 2018
Anticipatory baseline effects and information integration in visual world studies
Dale J Barr1, Timothy M Gann, Russell S Pierce
1Institute of Neuroscience and Psychology, University of Glasgow, 58 Hillhead St., Glasgow, United Kingdom. dale.barr@glasgow.ac.uk
Acta Psychologica
|October 22, 2010
Summary
Anticipatory baseline effects (ABEs) in visual world studies can bias results. Statistical estimation and experimental control are the most valid methods for managing ABEs in auditory language comprehension research.
Area of Science:
- Cognitive Science
- Psycholinguistics
- Auditory Perception
Background:
- Visual world studies investigate how listeners integrate linguistic input with context.
- Anticipatory baseline effects (ABEs) arise from listener expectations before critical stimuli.
- ABEs indicate prior context influences speech processing but don't confirm its impact.
Purpose of the Study:
- To evaluate methods for controlling ABEs in visual world studies.
- To determine the validity and bias of different ABE control strategies.
- To provide evidence on how prior context influences auditory processing.
Main Methods:
- Discussed four solutions: statistical estimation, experimental control, eliminating "on-target" trials, and neutral gaze.
- Conducted an experiment comparing the effectiveness of these solutions.
- Analyzed data for bias and validity in controlling ABEs.
Main Results:
- Eliminating "on-target" trials introduces bias due to regression toward the mean.
- Statistical estimation and experimental control showed fewer biases.
- Listener expectations (ABEs) can compromise the validity of information integration inferences.
Conclusions:
- Statistical estimation, potentially combined with experimental control, offers the most valid and least biased approach to managing ABEs.
- Proper control of ABEs is crucial for accurate inferences in auditory language comprehension.
- Further research is needed to fully understand the influence of prior context on speech processing.
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