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Related Experiment Videos

Allocation of attention during visual word recognition.

C A Becker

    Journal of Experimental Psychology. Human Perception and Performance
    |November 1, 1976
    PubMed
    Summary

    Visual word recognition, particularly accessing memory for low-frequency words, requires significant attentional resources. This study used a dual-task method to quantify these attention demands during lexical decision tasks.

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    Area of Science:

    • Cognitive Psychology
    • Neuroscience
    • Linguistics

    Background:

    • Understanding the cognitive processes underlying visual word recognition is crucial for fields like psychology and education.
    • Previous research has explored various components of word recognition, but the precise role of attention in memory access remains debated.

    Purpose of the Study:

    • To investigate the attentional processing demands specifically within the memory-access component of visual word recognition.
    • To quantify how task difficulty and word characteristics influence attention allocation during word processing.

    Main Methods:

    • Employed a dual-task paradigm, combining a primary lexical decision task (word vs. nonword) with a secondary reaction time task of varying complexity.
    • Manipulated primary task difficulty by varying word frequency (high vs. low) and secondary task difficulty (simple vs. choice reaction time).

    Main Results:

    • The impact of secondary task complexity on performance was significantly greater for low-frequency words compared to high-frequency words.
    • This interaction suggests that accessing memory for less common words is more attentionally demanding.

    Conclusions:

    • The findings provide strong evidence that the memory-access stage of visual word recognition is an attention-demanding process.
    • The results have implications for models of reading and cognitive load theory.

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