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Eye Tracking During Visually Situated Language Comprehension: Flexibility and Limitations in Uncovering Visual Context Effects

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Published on: November 30, 2018

Numerical Congruency Effect in the Sentence-Picture Verification Task.

Mia Šetić¹, Dražen Domijan²

¹1 Psychology Research Laboratory, Department of Psychology, Catholic University of Croatia, Zagreb, Croatia.

Experimental Psychology

|June 22, 2017

Summary

Irrelevant numbers in sentences speed up matching concepts to pictures when numbers align. This suggests number words are grounded in our perception of small quantities.

Keywords:

number quantity sentence comprehension symbol grounding

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Area of Science:

Cognitive Psychology
Psycholinguistics
Numerical Cognition

Background:

Understanding how number words are represented in the brain is crucial for cognitive science.
Previous research suggests number words may be linked to perceptual representations of quantity.

Purpose of the Study:

To investigate the influence of numerical information on sentence-picture verification.
To examine whether numerical congruency affects response times in a semantic verification task.
To provide evidence for the symbol grounding hypothesis of number words.

Main Methods:

Two experiments were conducted using sentence-picture verification tasks.
Participants verified if a sentence concept matched a presented object.
Numerical congruency between number words in sentences and object quantities (1-4) was manipulated.

Main Results:

Verification speed was faster for concept-object matches when numerical information was congruent.
No difference in verification speed was observed when concepts and objects mismatched, regardless of numerical congruency.
An interaction between response and numerical congruency was found, indicating a specific effect of number alignment.

Conclusions:

The findings support the symbol grounding of number words in the perceptual system.
This grounding appears specific to small quantities within the subitization range.
Numerical information, even when irrelevant, influences cognitive processing of language and perception.