Robustness of the retinotopic attentional trace after eye movements.

Robustness of the retinotopic attentional trace after eye movements.
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DOI:
10.1167/10.3.19
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发表时间:
2010-03-31
期刊:
影响因子:
1.8
通讯作者:
Mazer JA
Mazer JA
中科院分区:
医学4区
文献类型:
--
作者:
Golomb JD;Pulido VZ;Albrecht AR;Chun MM;Mazer JA

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随着每一次眼球运动,视觉系统接收到的图像都会发生剧烈的变化。为了保持稳定的空间(世界为中心)表示,相关的视网膜(眼睛为中心)坐标必须不断更新。虽然更新或重新映射的视觉场景表示可以发生得非常迅速,表明持续注意力的表示更新速度比重新映射文献预测的更慢;注意力的好处在以前参加的视网膜位置徘徊后完成扫视,即使这个位置不再是行为相关。本研究探讨了这种“视网膜定位注意痕迹”的鲁棒性。我们报告显着的retinotopic促进,尽管试图消除或减少它的刺激显示器中的永久性视觉线索,并通过引入不同的任务,其中出席的位置是眼跳目标本身,通过增强空间定位参考框架。我们的结果支持并扩展了我们早期的本地视网膜定位组织显着地图模型,该模型必须动态更新以反映每次眼跳的任务相关空间定位位置。与注意力易化源于持续、周期性神经活动的观点一致,这种易化需要可测量的时间才能衰减,在眼跳执行后留下视网膜定位注意力痕迹,无论任务需求是否相互冲突。
With each eye movement, the image received by the visual system changes drastically. To maintain stable spatiotopic (world-centered) representations, the relevant retinotopic (eye-centered) coordinates must be continually updated. Although updating or remapping of visual scene representations can occur very rapidly, demonstrated that representations of sustained attention update more slowly than the remapping literature would predict; attentional benefits at previously attended retinotopic locations linger after completion of the saccade, even when this location is no longer behaviorally relevant. The present study explores the robustness of this “retinotopic attentional trace.” We report significant retinotopic facilitation despite attempts to eliminate or reduce it by enhancing spatiotopic reference frames with permanent visual cues in the stimulus display and by introducing a different task where the attended location is the saccade target itself. Our results support and extend our earlier model of native retinotopically organized salience maps that must be dynamically updated to reflect the task-relevant spatiotopic location with each saccade. Consistent with the idea that attentional facilitation arises from persistent, recurrent neural activity, it takes measurable time for this facilitation to decay, leaving behind a retinotopic attentional trace after the saccade has been executed, regardless of conflicting task demands.
DOI: 10.3758/bf03208380
发表时间: 1995-11-01
期刊: PERCEPTION & PSYCHOPHYSICS
影响因子: --
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DOI: 10.1002/ana.410380508
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发表时间: 1998-03-01
期刊: VISUAL COGNITION
影响因子: 2
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DOI: 10.1038/35135
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影响因子: 64.8
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