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Sophia Wilhelm

As seen in: The Daily Tar Heel, MSN South Africa, News24, BioRxiv, Cell Press, TimesLIVE, AllAfrica, Indy Week, Sowetan, This Is Africa (ZA), GroundUp and
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Articles

Feature and space-based interference with functionally active and passive items in working memory

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By Sophia Wilhelm, Yuanyuan Weng, Jelmer P. Borst, Robbert Havekes
| BioRxiv
Abstract Functionally active and passive states in working memory have been related to different neural mechanisms. Memoranda in active states might be maintained by persistent neural firing, whereas memoranda in passive states might be maintained through short-term synaptic plasticity. We reasoned that this might make these items differentially susceptible to interference during maintenance, in particular that passively maintained items might be more robust.
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Featural and spatial interference with functionally active and passive items in working memory

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By Sophia Wilhelm, Elkan G. Akyürek, Yuanyuan Weng, Jelmer P. Borst
| BioRxiv
Abstract We hypothesised that functionally active and passive states in working memory might be related to different neural mechanisms. Memoranda in active states might be maintained by persistent neural firing, whereas memoranda in passive states might be maintained through short-term synaptic plasticity. We reasoned that this might make these items differentially susceptible to interference during maintenance, and that passive items in particular might be more robust.
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Maintenance of colour memoranda in activity-quiescent working memory states: Evidence from impulse perturbation

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By Güven Kandemir, Sophia Wilhelm, Nikolai Axmacher, Elkan G. Akyürek
| BioRxiv
New Results doi: https://doi.org/10.1101/2023.07.03.547526 Abstract The neural mechanisms by which information is maintained in working memory are challenging to study, as such maintenance is not always correlated with detectable sustained neural activity. Perturbation of the memory network with a visual impulse has proven useful to probe memoranda in such activity-quiescent states.
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