Cueing

Integrated effects of top-down attention and statistical learning during visual search; An EEG study

The present study aims to investigate how the competition between visual elements is solved by top-down and/or statistical learning (SL) attentional control (AC) mechanisms when active together. We hypothesized that the “winner” element that will …

Effects of top‐down and bottom‐up attention on post‐selection posterior contralateral negativity

We examined the effect of combined top-down and bottom-up attentional control sources in easy and difficult visual search tasks. Applying a new analysis on previously acquired data, we focused on the sustained posterior contralateral negativity …

Attentional Control

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Visual Crowding

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An EEG study of the combined effects of top-down and bottom-up attentional selection under varying task difficulty

We examined the effect of combined top-down and bottom-up attentional control sources, using known attention-related EEG components that are thought to reflect target selection (N2pc) and distractor suppression (P$_D$). We used endogenous cues (valid …

The Typical Advantage of Object-Based Attention Reflects Reduced Spatial Cost

In Egly, Driver, and Rafal’s (1994) seminal study, an attentional precue appeared either at the target location (valid), a different location within the same object (invalid-same), or on another object (invalid-different). Performance was best in the …

Contrast dissimilarity effects on crowding are not simply another case of target saliency

Previous studies have shown crowding alleviation when target and flankers similarity is reduced. However, in the case of contrast dissimilarity, the findings were inconsistent. This study examined the effect of stimulus contrast, particularly …

Precueing attention to the target location diminishes crowding and reduces the critical distance

The identification of a peripheral target surrounded by flankers is often harder than the identification of an identical isolated target. This study examined whether this crowding phenomenon, and particularly its spatial extent, is affected by the …