Age-Group Differences in Saccadic Interference | Zendy

Lawrence R. Gottlob | Zendy; Mark T. Fillmore | Zendy; Ben D. Abroms | Zendy

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Age-Group Differences in Saccadic Interference

Author(s) -

Lawrence R. Gottlob,

Mark T. Fillmore,

Ben D. Abroms

Publication year - 2007

Publication title -

the journals of gerontology series b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.578

H-Index - 150

eISSN - 1758-5368

pISSN - 1079-5014

DOI - 10.1093/geronb/62.2.p85

Subject(s) - saccade , saccadic masking , audiology , fixation (population genetics) , eye movement , psychology , flash (photography) , saccadic eye movement , interference (communication) , saccadic suppression of image displacement , medicine , computer science , neuroscience , optics , physics , population , telecommunications , channel (broadcasting) , environmental health

We examined age-group differences in a saccadic interference task, which requires that participants execute a saccade (eye movement) toward an abrupt-onset visual target presented to the right or left of fixation. On some trials, we imposed diffuse interference by bilateral (top and bottom) flashes of light presented 20 to 210 ms after target onset. When the flashes followed the cue at shorter intervals, time to execute a saccade was slowed relative to no-flash trials. This slowing was greater and sustained over a larger cue-flash interval for older participants than for the young participants. The results indicate that, when diffuse distractors are used, older adults are more susceptible to saccade disruption than are young adults.

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