AI Article Synopsis
- The study examined how eye movements and manual responses are related while experts and novices watch a football match, using a joystick to indicate goal likelihood.
- The researchers identified a delay (or lag) of about 2 seconds between eye movements and manual responses, which differed based on expertise level.
- Findings suggest that experts can focus on relevant areas of the scene faster, allowing them more time to process information before making decisions.
Article Abstract
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.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2971464 | PMC |
| http://dx.doi.org/10.3758/PBR.17.5.710 | DOI Listing |
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