Memory for, and salience of, the unique features of similar stimuli in perceptual learning.

Memory for, and salience of, the unique features of similar stimuli in perceptual learning.
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感知学习中类似刺激的独特特征的记忆和显着性。

DOI:
10.1037/a0021888
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发表时间:
2011
期刊:
Journal of experimental psychology. Animal behavior processes
影响因子:
--
通讯作者:
Lavis Y
Lavis Y
中科院分区:
--
文献类型:
--
作者:
Lavis Y

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在两个实验中,参与者接触到复杂的棋盘(例如,AX和BX),这些棋盘由不同的小特征(A和B)叠加在一个较大的共同背景(X)上。在暴露前的知觉学习效应中,当刺激在交替试验中呈现时,随后通过相同-不同的任务来评估AX和BX之间的区分(实验1)。实验1支持了这种形式的曝光导致对独特特征的更准确表征的假设,实验1表明,参与者能够很好地将特征的颜色与其形状相匹配。实验2表明,单独暴露于A和B,与AX和BX的呈现混合,增强了感知学习效果,这证实了混合预暴露期间独特特征的更好编码是在该时间表预暴露后观察到的识别增强的直接原因。(PsycINFO数据库记录(c) 2016 APA,版权所有)
In two experiments, participants received exposure to complex checkerboards (eg, AX and BX) that consisted of small distinctive features (A and B) superimposed on a larger common background (X). Subsequent discrimination between AX and BX, assessed by a same-different task, was facilitated when the stimuli were presented on alternate trials in preexposure—a perceptual learning effect (Experiment 1). The hypothesis that this form of exposure results in more accurate representations of the unique features was supported in Experiment 1, which showed that participants were well able to match the color of the feature with its shape. Experiment 2 showed that exposure to A and B in isolation, intermixed with presentations of AX and BX, enhanced the perceptual learning effect, which confirmed that the better encoding of the unique features during intermixed preexposure is a direct cause of the enhanced discrimination observed following preexposure on this schedule.(PsycINFO Database Record (c) 2016 APA, all rights reserved)
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