Attentional effort modulated by task difficulty

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Attentional effort modulated by task difficulty

It has been assumed that stimulus discrimination in a visual task is performed with fixed attentive effort. Here we show that attention to the same pair of stimuli can be modulated by varying the task difficulty when a task requires the discrimination of only a small number of different stimuli. We used a matching-to-sample paradigm, where a test stimulus is presented after a sample stimulus. W...

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ژورنال

عنوان ژورنال: Vision Research

سال: 1995

ISSN: 0042-6989

DOI: 10.1016/0042-6989(94)00305-x