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Matthias Ekman
@
MatthiasEkman
Nijmegen, The Netherlands
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Donders Institute, prediction, visual attention, fMRI
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1.153
Tweetovi
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272
Pratim
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384
Osobe koje vas prate
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George Parish
@GeorgeMParish
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29. sij |
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Check out our new modelling paper, now on Biorxiv! biorxiv.org/content/10.110… We simulate how one can decode cortical alpha oscillations to identify memories by their unique temporal signatures, via some very cool binding and timing mechanisms.
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Matthias Fritsche
@matfritsche
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27. sij |
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Excited to share the last project of my PhD "A Bayesian and efficient observer model explains concurrent attractive and repulsive history biases in visual perception" biorxiv.org/content/10.110… with @flodlan @EelkeSpaak @predictivebrain
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Micha Heilbron
@m_heilb
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16. sij |
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The 1st paper of my PhD is out today in @NatureComms!
We show that word contexts can enhance letter representations in early visual cortex
With @D__Richter @MatthiasEkman, peter hagoort& @flodlan
Paper: nature.com/articles/s4146…
TL;DR? Let me unpack it in a few (or so) tweets👇
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bioRxiv Neuroscience
@biorxiv_neursci
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4. pro |
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Comparing the prioritisation of items and feature-dimensions in visual working memory biorxiv.org/cgi/content/sh… #biorxiv_neursci
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Matthias Fritsche
@matfritsche
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28. stu |
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Our preregistered study on the role of feature-based attention in visual serial dependence is now published (jov.arvojournals.org/article.aspx?a…) with @flodlan from @predictivebrain @DondersInst
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DeepMind
@DeepMind
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22. stu |
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How can we learn a sequence of tasks without forgetting, without class labels and with unknown or ambiguous task boundaries?
Continual Unsupervised Representation Learning:
Paper: arxiv.org/abs/1910.14481
Code: github.com/deepmind/deepm… pic.twitter.com/3WSzWmILlB
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Chris Bird
@chrismbird
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12. stu |
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"In HC, smaller ... vascular dilations in response to ... neuronal activity produce smaller positive BOLD signals. BOLD signals are therefore a less sensitive measure of neuronal activity in HC than in neocortex". Really important study for understanding hippocampal fMRI effects. twitter.com/biorxivpreprin…
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Matthias Ekman
@MatthiasEkman
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21. stu |
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Freesurfers freeview works fine on Catalina and (almost) replaces tksurfer... except for making the cuts required for flatmaps. How do people create flatmaps these day?
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Nora Newcombe
@NoraNewcombe
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20. stu |
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Here is a preprint just posted on OSF -- pattern separation and pattern completion as behaviorally separable processes. The long version of the #psynom19 poster Pattern separation and pattern completion: Behaviorally separable processes? osf.io/k9hnf/ via @OSFramework
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Mariam Aly
@mariam_s_aly
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21. sij 2019. |
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CA3 is the predominant driver of CA1 place cells: acute silencing of CA3 disrupts CA1 sharp wave ripples and place fields
nature.com/articles/s4159…
New (and surprising) findings from Davoudi & Foster
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Eelke Spaak
@EelkeSpaak
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11. stu |
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Latest paper with @flodlan now online in JNeurosci! Hippocampal and prefrontal theta-band mechanisms underpin implicit spatial context learning. Paper: doi.org/10.1523/JNEURO… Code: github.com/Spaak/contextu… Data: hdl.handle.net/11633/aacstiks pic.twitter.com/sI8szR3Mge
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Allen Institute
@AllenInstitute
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14. lis |
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We’re releasing new large datasets to accelerate #neuroscience including our first – and the world’s largest – dataset of brain activity gathered using #Neuropixels, a high-resolution probe that can record activity from hundreds of neurons simultaneously. alleninstitute.org/what-we-do/bra…
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Michal Wolski
@michalwols
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10. lis |
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This was a fun thread github.com/keras-team/ker… ...
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Matthias Nau
@NauMatt
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9. lis |
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Very helpful list of the most common statistical mistakes in manuscripts and how to avoid them. By Makin & Orban de Xivry out in @eLife. elifesciences.org/articles/48175
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Ida Momennejad
@criticalneuro
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30. ruj |
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Hi! So excited to share our newest w @IvaBrunec:
Predictive Representations in Hippocampal & Prefrontal Hierarchies.
fMRI evidence that predictive representations are organized at multiple scales in posterior-anterior hierarchies in PFC & hippocampus. 1/N
biorxiv.org/content/10.110… pic.twitter.com/qFaYFdPSfS
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Matthias Nau
@NauMatt
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1. lis |
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Excited to share our new #preprint: Behavior-dependent directional tuning in the human visual-navigation network: bit.ly/2oCD2oA. Environmental coding in V1-RSC-PHC-EC-HPC pathway depends on behavior & successful cognitive mapping. /w @doellerlab, @T_N_Schroeder & @CYHSM pic.twitter.com/17YwepQ9Qw
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Matthias Ekman
@MatthiasEkman
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20. ruj |
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I've been there! Using conda's environments, instead of venv, really helps: docs.conda.io/projects/conda…
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Ian Fiebelkorn
@FiebelkornIan
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15. ruj |
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New paper in Annual Review of Psychology, prior to publication. We examine functional specialization in the attention network, linking results from multiple methodologies. Functional contributions from each node change on a moment-to-moment timescale.
annualreviews.org/doi/abs/10.114…
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Matthias Nau
@NauMatt
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13. ruj |
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The hippocampal role in predictive actions changes over time (as indicated by a sharpening of task-based background connectivity to visual cortex). New paper by Hindy, Avery & Turk-Browne @NatureComms. nature.com/articles/s4146…
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John Serences
@serences
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10. ruj |
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Nuttida's new paper is out...preserved expectation and attention effects with hippocampus damage. pnas.org/content/early/…
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