SACCADE PREPARATION INHIBITS REORIENTING TO RECENTLY ATTENDED LOCATIONS
SACCADE PREPARATION INHIBITS REORIENTING TO RECENTLY ATTENDED LOCATIONS
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DOI：
10.1037/0096-1523.15.4.673
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发表时间：
1989-11-01
影响因子：
2.1
通讯作者：
SCIOLTO, TK
中科院分区：
文献类型：
--
作者：
RAFAL, RD;CALABRESI, PA;SCIOLTO, TK
我们测量了正常人Ss的手动反应时间，以证实偏心视觉信号对内隐注意和眼球运动具有双相效应。首先，它唤起注意力，并使眼跳偏向信号;随后的返回抑制会减缓对该位置信号的反应。显示了返回抑制的颞侧半野优势;这一发现与神经系统患者的观察结果（MI Posner等人;见记录1986-22316-001）相一致，表明其由中脑通路介导。内源性定向的注意，从中央箭头线索，没有激活抑制返回，而内源性眼跳准备这样做，有效地作为一个外源性信号，即使没有眼跳。返回抑制由中脑眼神经通路激活，并可能作为一个位置“标记”机制，以优化视觉搜索的效率。（PsycInfo数据库记录（c）2016阿帕，保留所有权利）
We measured manual reaction time in normal human Ss to confirm that an eccentric visual signal has a biphasic effect on covert attention and eye movements. First, it summons attention and biases a saccade toward the signal; a subsequent inhibition of return then slows responses to signals at that location. A temporal hemifield dominance for inhibition of return was shown; this finding coverges with observations (MI Posner et al; see record 1986-22316-001) in neurologic patients to suggest that it is mediated by midbrain pathways. Endogenous orienting of attention, from a central arrow cue, did not activate inhibition of return, whereas endogenous saccade preparation did so as effectively as an exogenous signal, even when no saccade was made. Inhibition of return is activated by midbrain oculomotor pathways and may function as a location" tagging" mechanism to optimize efficiency of visual search.(PsycINFO Database Record (c) 2016 APA, all rights reserved)