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Principle B is an early, predictive filter on active cataphor resolution: Eye-tracking evidence
Dave Kush1,2, Brian Dillon3
1Department of Language Studies, University of Toronto Scarborough, 1265 Military Trail, Scarborough, ON, M1C 1A4, Canada. dave.kush@utoronto.ca.
Memory & Cognition
|February 18, 2026
Summary
This study shows that grammatical knowledge, specifically Binding Principle B, guides pronoun resolution during sentence processing. Eye-tracking confirms that Principle B constrains how we understand cataphoric pronoun dependencies.
Area of Science:
- Psycholinguistics
- Computational Linguistics
- Cognitive Science
Background:
- Cataphoric pronoun resolution involves an active search for antecedents.
- Grammatical knowledge, including Binding Principles, is hypothesized to guide these expectations.
- Previous research using self-paced reading yielded ambiguous results regarding the timing of constraint application.
Purpose of the Study:
- To investigate the temporal application of Binding Principle B in cataphor processing.
- To determine if Binding Principle B constrains initial expectations for cataphor resolution.
- To compare the temporal sensitivity of eye-tracking-while-reading with self-paced reading for studying constraint satisfaction.
Main Methods:
- Employing eye-tracking-while-reading to achieve high temporal precision in measuring reading behavior.
- Analyzing fixation durations and patterns during the processing of cataphoric sentences.
- Comparing results with previous studies that utilized self-paced reading.
Main Results:
- Eye-tracking data confirmed that Binding Principle B significantly constrains cataphor resolution.
- Findings align with previous research suggesting early sensitivity to Binding Principle B.
- The study validates eye-tracking as a more temporally precise method for investigating constraint satisfaction in real-time language processing.
Conclusions:
- Binding Principle B plays a crucial role in constraining the interpretation of cataphoric pronouns.
- The findings support models where grammatical constraints influence language processing from the earliest stages.
- Future research should focus on discourse-level representations to model Principle B sensitivity effectively.

