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

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Shared Features Dominate Semantic Richness Effects for Concrete Concepts.

Ray Grondin¹, Stephen J Lupker, Ken McRae

¹University of Western Ontario, London, Ontario, Canada.

Journal of Memory and Language

|January 5, 2010

Summary

Concrete concepts with more semantic features are processed faster. Shared features, like "has four legs," aid decisions more than unique ones, suggesting a decision-making process.

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Area of Science:

Cognitive Psychology
Psycholinguistics
Semantics

Background:

Concrete concepts vary in the number of semantic features listed.
Concepts with more semantic features are processed faster in decision tasks.
Previous research established a link between feature quantity and processing speed.

Purpose of the Study:

To further investigate number-of-features (NoF) effects on concept processing.
To examine the interplay between NoF and feature distinctiveness.
To identify the types of knowledge driving NoF effects.

Main Methods:

Replication of NoF effects with a larger, controlled item set.
Utilized lexical and concreteness decision tasks.
Investigated the relationship between NoF and feature distinctiveness.

Main Results:

Confirmed that concepts with more semantic features are processed faster.
Found that shared features (e.g., ) facilitate decisions more than distinctive features (e.g., ).
NoF effects are influenced by shared visual, encyclopedic, tactile, and taste knowledge.

Conclusions:

NoF effects in concept processing are significant.
Shared features play a crucial role in faster decision-making.
Results support a decision-making account over a word meaning computation model.