THE FUNCTION OF VISUAL-SEARCH AND MEMORY IN SEQUENTIAL LOOKING TASKS

被引:108
作者
EPELBOIM, J
STEINMAN, RM
KOWLER, E
EDWARDS, M
PIZLO, Z
ERKELENS, CJ
COLLEWIJN, H
机构
[1] RUTGERS STATE UNIV,DEPT PSYCHOL,NEW BRUNSWICK,NJ 08903
[2] PURDUE UNIV,DEPT PSYCHOL SCI,W LAFAYETTE,IN 47907
[3] UNIV UTRECHT,DEPT BIOPHYS,UTRECHT,NETHERLANDS
[4] ERASMUS UNIV ROTTERDAM,DEPT PHYSIOL 1,3000 DR ROTTERDAM,NETHERLANDS
关键词
SACCADES; VISUAL SEARCH; MEMORY; VISUOMOTOR COORDINATION;
D O I
10.1016/0042-6989(95)00080-X
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Eye and head movements were recorded as unrestrained subjects tapped or only looked at nearby targets. Scanning patterns were the same in both tasks: subjects looked at each target before tapping it; visual search had similar speeds and gaze-shift accuracies, Looking, however, took longer and, unlike tapping, benefitted little from practice. Looking speeded up more than tapping when memory load was reduced: memory was more efficient during tapping. Conclusion: eye movements made when only looking are different from those made when tapping, Visual search functions as a separate process, incorporated into both tasks: it can be used to improve performance when memory load is heavy.
引用
收藏
页码:3401 / 3422
页数:22
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