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Related Experiment Video

Updated: Jul 1, 2026

A Dual Task Procedure Combined with Rapid Serial Visual Presentation to Test Attentional Blink for Nontargets
08:45

A Dual Task Procedure Combined with Rapid Serial Visual Presentation to Test Attentional Blink for Nontargets

Published on: December 5, 2014

Lateralised covert attention in word identification.

Manuel G Calvo1, Lauri Nummenmaa

  • 1Department of Cognitive Psychology, University of La Laguna, Tenerife, Spain. mgcalvo@ull.es

Laterality
|September 9, 2008
PubMed
Summary

The left brain hemisphere

Area of Science:

  • Cognitive Neuroscience
  • Visual Perception
  • Hemispheric Lateralization

Background:

  • Right visual field superiority in word recognition is often linked to left hemisphere attentional advantages.
  • The role of lateralized covert attention in this phenomenon remains unclear.

Purpose of the Study:

  • To investigate if lateralized covert attention, without overt fixation on primes, contributes to right visual field superiority in word recognition.
  • To compare the effects of covertly versus overtly attended primes on word recognition.

Main Methods:

  • A lexical decision task was employed with identical or unrelated prime words preceding target words.
  • Eye movements were monitored to distinguish between covert and overt attention.
  • Experiment 1 used parafoveally presented primes (covert attention), while Experiment 2 used foveally presented primes (covert and overt attention).

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Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

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Comparing the Frequency Effect Between the Lexical Decision and Naming Tasks in Chinese
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Comparing the Frequency Effect Between the Lexical Decision and Naming Tasks in Chinese

Published on: April 1, 2016

Related Experiment Videos

Last Updated: Jul 1, 2026

A Dual Task Procedure Combined with Rapid Serial Visual Presentation to Test Attentional Blink for Nontargets
08:45

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Published on: December 5, 2014

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
06:48

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

Published on: June 25, 2019

Comparing the Frequency Effect Between the Lexical Decision and Naming Tasks in Chinese
08:08

Comparing the Frequency Effect Between the Lexical Decision and Naming Tasks in Chinese

Published on: April 1, 2016

Main Results:

  • Positive priming occurred without prime fixation when primes were in the right visual field.
  • Priming effects from covertly attended primes were significantly smaller than those from overtly attended primes.

Conclusions:

  • Lateralized covert attention alone can significantly contribute to word identification.
  • A right visual field advantage in word recognition is supported by covert attention mechanisms.