Eye-response lags during a continuous monitoring task

CJ Howards, T Troscianko, ID Gilchrist

Research output: Contribution to journalArticle (Academic Journal)peer-review

9 Citations (Scopus)


We measured the temporal relationship between eye movements and manual responses while experts and novices watched a videotaped football match Observers used a joystick to continuously indicate the likelihood of an imminent goal We measured correlations between manual responses and between-subjects variability in eye position To identify the lag magnitude, we repeated these correlations over a range of possible delays between these two measures and searched for the most negative correlation coefficient We found lags in the order of 2 sec and an effect of expertise on lag magnitude, suggesting that expertise has its effect by directing eye movements to task-relevant areas of a scene more quickly, facilitating a longer processing duration before behavioral decisions are made This is a powerful new method for examining the eye movement behavior of multiple observers across complex moving images.
Translated title of the contributionEye-response lags during a continuous monitoring task
Original languageEnglish
Pages (from-to)710 - 717
Number of pages8
JournalPsychonomic Bulletin and Review
Issue number5
Publication statusPublished - Oct 2010


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