Abstract:
:Two psychophysical experiments are reported, one dealing with the visual perception of the head orientation of another person (the 'looker') and the other dealing with the perception of the looker's direction of eye gaze. The participant viewed the looker with different retinal eccentricities, ranging from foveal to far-peripheral viewing. On average, judgments of head orientation were reliable even out to the extremes of peripheral vision (90 degrees eccentricity), with better performance at the extremes when the participant was able to view the looker changing head orientation from one trial to the next. In sharp contrast, judgments of eye-gaze direction were reliable only out to 4 degrees eccentricity, signifying that the eye-gaze social signal is available to people only when they fixate near the looker's eyes. While not unexpected, this vast difference in availability of information about head direction and eye direction, both of which can serve as indicators of the looker's focus of attention, is important for understanding the dynamics of eye-gaze behavior.
journal_name
Perceptionjournal_title
Perceptionauthors
Loomis JM,Kelly JW,Pusch M,Bailenson JN,Beall ACdoi
10.1068/p5896subject
Has Abstractpub_date
2008-01-01 00:00:00pages
1443-57issue
9eissn
0301-0066issn
1468-4233journal_volume
37pub_type
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