All Outputs (42)

The capacity limitations of multiple‐template visual search during task preparation and target selection (2024)
Journal Article
Grubert, A., Wang, Z., Williams, E., Jimenez, M., Remington, R., & Eimer, M. (online). The capacity limitations of multiple‐template visual search during task preparation and target selection. Psychophysiology, e14720. https://doi.org/10.1111/psyp.14720

Visual search is guided by mental representations of target‐defining features (attentional templates) that are activated in a preparatory fashion. It remains unknown how many templates can be maintained concurrently, and what kind of costs are associ... Read More about The capacity limitations of multiple‐template visual search during task preparation and target selection.

Attentional templates for target features versus locations (2024)
Journal Article
Jimenez, M., Wang, Z., & Grubert, A. (2024). Attentional templates for target features versus locations. Scientific Reports, 14(1), Article 22306. https://doi.org/10.1038/s41598-024-73656-6

Visual search is guided by visual working memory representations (i.e., attentional templates) that are activated prior to search and contain target-defining features (e.g., color). In the present study, we tested whether attentional templates can al... Read More about Attentional templates for target features versus locations.

Target switch costs in visual search arise during the preparatory activation of target templates (2024)
Journal Article
Grubert, A., Wang, Z., & Eimer, M. (2024). Target switch costs in visual search arise during the preparatory activation of target templates. Psychophysiology, 61(11), Article e14658. https://doi.org/10.1111/psyp.14658

Prior research on task switching has shown that the reconfiguration of stimulus–response mappings across trials is associated with behavioral switch costs. Here, we investigated the effects of switching representations of target‐defining features in... Read More about Target switch costs in visual search arise during the preparatory activation of target templates.

Do We Prepare for What We Predict? How Target Expectations Affect Preparatory Attentional Templates and Target Selection in Visual Search (2023)
Journal Article
Grubert, A., & Eimer, M. (2023). Do We Prepare for What We Predict? How Target Expectations Affect Preparatory Attentional Templates and Target Selection in Visual Search. The Journal of Cognitive Neuroscience, 35(12), 1919-1935. https://doi.org/10.1162/jocn_a_02054

Visual search is guided by representations of target-defining features (attentional templates) that are activated in a preparatory fashion. Here, we investigated whether these template activation processes are modulated by probabilistic expectations... Read More about Do We Prepare for What We Predict? How Target Expectations Affect Preparatory Attentional Templates and Target Selection in Visual Search.

Which processes dominate visual search: Bottom-up feature contrast, top-down tuning or trial history? (2023)
Journal Article
Becker, S. I., Grubert, A., Horstmann, G., & Ansorge, U. (2023). Which processes dominate visual search: Bottom-up feature contrast, top-down tuning or trial history?. Cognition, 236, Article 105420. https://doi.org/10.1016/j.cognition.2023.105420

Previous research has identified three mechanisms that guide visual attention: bottom-up feature contrasts, top-down tuning, and the trial history (e.g., priming effects). However, only few studies have simultaneously examined all three mechanisms. H... Read More about Which processes dominate visual search: Bottom-up feature contrast, top-down tuning or trial history?.

Capacity limitations in template-guided multiple color search (2021)
Journal Article
Kerzel, D., & Grubert, A. (2022). Capacity limitations in template-guided multiple color search. Psychonomic Bulletin and Review, 29(3), 901-909. https://doi.org/10.3758/s13423-021-02040-6

Visual selection of target objects relies on representations of their known features in visual working memory. These representations are referred to as attentional templates. We asked how the capacity of visual working memory relates to the maximal n... Read More about Capacity limitations in template-guided multiple color search.

Preparatory Template Activation during Search for Alternating Targets (2020)
Journal Article
Grubert, A., & Eimer, M. (2020). Preparatory Template Activation during Search for Alternating Targets. The Journal of Cognitive Neuroscience, 32(8), 1525-1535. https://doi.org/10.1162/jocn_a_01565

Visual search is guided by representations of target-defining features (attentional templates). We tracked the time course of template activation processes during the preparation for search in a task where the identity of color-defined search targets... Read More about Preparatory Template Activation during Search for Alternating Targets.

Dwelling on simple stimuli in visual search (2019)
Journal Article
Horstmann, G., Becker, S. I., & Grubert, A. (2020). Dwelling on simple stimuli in visual search. Attention, Perception, and Psychophysics, 82(2), 607-625. https://doi.org/10.3758/s13414-019-01872-8

Research and theories on visual search often focus on visual guidance to explain differences in search. Guidance is the tuning of attention to target features and facilitates search because distractors that do not show target features can be more eff... Read More about Dwelling on simple stimuli in visual search.

Suppression of salient stimuli inside the focus of attention (2018)
Journal Article
Kerzel, D., Barras, C., & Grubert, A. (2018). Suppression of salient stimuli inside the focus of attention. Biological Psychology, 139, 106-114. https://doi.org/10.1016/j.biopsycho.2018.10.010

We investigated how attention is distributed when one of two attended stimuli stands out from the visual context. Participants judged whether the line orientations within two geometric shapes at two predictable locations were same or different, which... Read More about Suppression of salient stimuli inside the focus of attention.

The time course of target template activation processes during preparation for visual search (2018)
Journal Article
Grubert, A., & Eimer, M. (2018). The time course of target template activation processes during preparation for visual search. Journal of Neuroscience, 38(44), 9527-9538. https://doi.org/10.1523/jneurosci.0409-18.2018

Search for target objects in visual scenes is guided by mental representations of target features (attentional templates). However, it is unknown when such templates are activated during each search episode and whether this can be controlled by tempo... Read More about The time course of target template activation processes during preparation for visual search.

Category-based attentional guidance can operate in parallel for multiple target objects (2018)
Journal Article
Jenkins, M., Grubert, A., & Eimer, M. (2018). Category-based attentional guidance can operate in parallel for multiple target objects. Biological Psychology, 135, 211-219. https://doi.org/10.1016/j.biopsycho.2018.04.006

The question whether the control of attention during visual search is always feature-based or can also be based on the category of objects remains unresolved. Here, we employed the N2pc component as an on-line marker for target selection processes to... Read More about Category-based attentional guidance can operate in parallel for multiple target objects.

The speed of voluntary and priority-driven shifts of visual attention (2018)
Journal Article
Jenkins, M., Grubert, A., & Eimer, M. (2018). The speed of voluntary and priority-driven shifts of visual attention. Journal of Experimental Psychology: Human Perception and Performance, 44(1), 27-37. https://doi.org/10.1037/xhp0000438

The question how fast spatial attention moves between different visual objects remains debated. We used electrophysiological measures to determine the speed of voluntary and visually guided shifts of attention. Participants shifted attention from a k... Read More about The speed of voluntary and priority-driven shifts of visual attention.

Target objects defined by a conjunction of colour and shape can be selected independently and in parallel (2017)
Journal Article
Jenkins, M., Grubert, A., & Eimer, M. (2017). Target objects defined by a conjunction of colour and shape can be selected independently and in parallel. Attention, Perception, and Psychophysics, 79(8), 2310-2326. https://doi.org/10.3758/s13414-017-1410-x

It is generally assumed that during search for targets defined by a feature conjunction, attention is allocated sequentially to individual objects. We tested this hypothesis by tracking the time course of attentional processing biases with the N2pc c... Read More about Target objects defined by a conjunction of colour and shape can be selected independently and in parallel.

Multivariate EEG analyses support high-resolution tracking of feature-based attentional selection (2017)
Journal Article
Fahrenfort, J. J., Grubert, A., Olivers, C. N., & Eimer, M. (2017). Multivariate EEG analyses support high-resolution tracking of feature-based attentional selection. Scientific Reports, 7, Article 1886. https://doi.org/10.1038/s41598-017-01911-0

The primary electrophysiological marker of feature-based selection is the N2pc, a lateralized posterior negativity emerging around 180–200 ms. As it relies on hemispheric differences, its ability to discriminate the locus of focal attention is severe... Read More about Multivariate EEG analyses support high-resolution tracking of feature-based attentional selection.

Intermodal attention shifts in multimodal working memory (2017)
Journal Article
Katus, T., Grubert, A., & Eimer, M. (2017). Intermodal attention shifts in multimodal working memory. The Journal of Cognitive Neuroscience, 29(4), 628-636. https://doi.org/10.1162/jocn_a_01072

Attention maintains task-relevant information in working memory (WM) in an active state. We investigated whether the attention-based maintenance of stimulus representations that were encoded through different modalities is flexibly controlled by top-... Read More about Intermodal attention shifts in multimodal working memory.

The control of single-color and multiple-color visual search by attentional templates in working memory and in long-term memory (2016)
Journal Article
Grubert, A., Carlisle, N., & Eimer, M. (2016). The control of single-color and multiple-color visual search by attentional templates in working memory and in long-term memory. The Journal of Cognitive Neuroscience, 28(12), 1947-1963. https://doi.org/10.1162/jocn_a_01020

The question whether target selection in visual search can be effectively controlled by simultaneous attentional templates for multiple features is still under dispute. We investigated whether multiple-color attentional guidance is possible when targ... Read More about The control of single-color and multiple-color visual search by attentional templates in working memory and in long-term memory.

Rapid attentional selection processes operate independently and in parallel for multiple targets (2016)
Journal Article
Grubert, A., & Eimer, M. (2016). Rapid attentional selection processes operate independently and in parallel for multiple targets. Biological Psychology, 121(Part A), 99-108. https://doi.org/10.1016/j.biopsycho.2016.10.012

The question whether multiple objects are selected serially or in parallel remains contentious. Previous studies employed the N2pc component as a marker of attentional selection to show that multiple selection processes can be activated concurrently.... Read More about Rapid attentional selection processes operate independently and in parallel for multiple targets.

Category-based guidance of spatial attention during visual search for feature conjunctions (2016)
Journal Article
Nako, R., Grubert, A., & Eimer, M. (2016). Category-based guidance of spatial attention during visual search for feature conjunctions. Journal of Experimental Psychology: Human Perception and Performance, 42(10), 1571-1686. https://doi.org/10.1037/xhp0000244

The question whether alphanumerical category is involved in the control of attentional target selection during visual search remains a contentious issue. We tested whether category-based attentional mechanisms would guide the allocation of attention... Read More about Category-based guidance of spatial attention during visual search for feature conjunctions.

Rapid parallel attentional selection can be controlled by shape and alphanumerical category (2016)
Journal Article
Jenkins, M., Grubert, A., & Eimer, M. (2016). Rapid parallel attentional selection can be controlled by shape and alphanumerical category. The Journal of Cognitive Neuroscience, 28(11), 1672-1687. https://doi.org/10.1162/jocn_a_00995

Previous research has shown that when two color-defined target objects appear in rapid succession at different locations, attention is deployed independently and in parallel to both targets. This study investigated whether this rapid simultaneous att... Read More about Rapid parallel attentional selection can be controlled by shape and alphanumerical category.

Rapid top-down control over template-guided attention shifts to multiple objects (2016)
Journal Article
Grubert, A., Fahrenfort, J., Olivers, C., & Eimer, M. (2017). Rapid top-down control over template-guided attention shifts to multiple objects. NeuroImage, 146, 843-858. https://doi.org/10.1016/j.neuroimage.2016.08.039

Previous research has shown that when observers search for targets defined by a particular colour, attention can be directed rapidly and independently to two target objects that appear in close temporal proximity. We investigated how such rapid atten... Read More about Rapid top-down control over template-guided attention shifts to multiple objects.