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Kimron L. Shapiro on Muck Rack

Kimron L. Shapiro

As seen in: Taylor & Francis Online, BioRxiv, Cell Press
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Articles

Guided Visual Search is associated with a feature-based priority map in early visual cortex

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By Katharina Duecker, Kimron L. Shapiro, Simon Hanslmayr, Benjamin Griffiths
| BioRxiv
Abstract Visual search models have long emphasised that task-relevant items must be prioritised for optimal performance. While it is known that search efficiency also benefits from active distractor inhibition, the underlying neuronal mechanisms are debated. Here, we used MEG in combination with Rapid Invisible Frequency Tagging (RIFT) to probe how neuronal excitability in early visual cortex is modulated during feature-guided visual search.
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WITHDRAWN: Alpha oscillations support the efficiency of guided visual search by inhibiting both target and distractor features in early visual cortex

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By Katharina Duecker, Kimron L. Shapiro, Simon Hanslmayr, Jeremy Wolfe
| BioRxiv
Abstract The authors have withdrawn this manuscript owing to having received feedback that prompted a reconsideration of the findings in light of potential confounds associated with time-on-task effects, as highlighted by Benwell et al. (2019, NeuroImage). Subsequent in-depth analysis has led the authors to reassess the central assertions made in our original manuscript, and the main claims can no longer be supported.
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Alpha oscillations support the efficiency of guided visual search by inhibiting both target and distractor features in early visual cortex

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By Katharina Duecker, Kimron L. Shapiro, Simon Hanslmayr, Jeremy Wolfe Verified
| BioRxiv
New Results doi: https://doi.org/10.1101/2023.08.03.551520 Abstract Visual search models have long emphasised that task-relevant items must be prioritized for optimal performance. While it is known that search efficiency also benefits from active distractor inhibition, the underlying neuronal mechanisms are debated. Here, we used MEG in combination with Rapid Invisible Frequency Tagging (RIFT) to understand the neural correlates of feature-guided visual search.
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