Ivana
@ivanatanasic.bsky.social
PhD student at the Institute for Systems Neuroscience, UKE Hamburg
Studying the effect of expectations and attention on visual perception
Studying the effect of expectations and attention on visual perception
Reposted by Ivana
Thanks so much @thetransmitter.bsky.social for this Rising Stars of Neuroscience award! 🤩
And a big thank you to @smfleming.bsky.social for the nomination!!
And a big thank you to @smfleming.bsky.social for the nomination!!
Congratulations 👏👏👏 to @nadinedijkstra.bsky.social who has been selected as one of @thetransmitter.bsky.social Rising Stars of Neuroscience, 2025!
⭐️🧠🌏🤩💫
www.thetransmitter.org/early-career...
⭐️🧠🌏🤩💫
www.thetransmitter.org/early-career...
The Transmitter’s Rising Stars of Neuroscience 2025
We recognize the outstanding achievements of 25 neuroscientists who stand to shape the field for years to come.
www.thetransmitter.org
November 18, 2025 at 9:49 AM
Thanks so much @thetransmitter.bsky.social for this Rising Stars of Neuroscience award! 🤩
And a big thank you to @smfleming.bsky.social for the nomination!!
And a big thank you to @smfleming.bsky.social for the nomination!!
Reposted by Ivana
Please repost! I am looking for a PhD candidate in the area of Computational Cognitive Neuroscience to start in early 2026.
The position is funded as part of the Excellence Cluster "The Adaptive Mind" at @jlugiessen.bsky.social.
Please apply here until Nov 25:
www.uni-giessen.de/de/ueber-uns...
The position is funded as part of the Excellence Cluster "The Adaptive Mind" at @jlugiessen.bsky.social.
Please apply here until Nov 25:
www.uni-giessen.de/de/ueber-uns...
November 4, 2025 at 1:57 PM
Please repost! I am looking for a PhD candidate in the area of Computational Cognitive Neuroscience to start in early 2026.
The position is funded as part of the Excellence Cluster "The Adaptive Mind" at @jlugiessen.bsky.social.
Please apply here until Nov 25:
www.uni-giessen.de/de/ueber-uns...
The position is funded as part of the Excellence Cluster "The Adaptive Mind" at @jlugiessen.bsky.social.
Please apply here until Nov 25:
www.uni-giessen.de/de/ueber-uns...
Reposted by Ivana
📣 BIG NEWS EVERYONE. I am so excited to announce…
🎉 I’m moving to University College London @ucl.ac.uk to join the Experimental Psychology department in @uclpals.bsky.social! 🎉
The big move happens in spring/summer. So I’m already exploring recruiting staff & students at UCL for fall 2026!
🎉 I’m moving to University College London @ucl.ac.uk to join the Experimental Psychology department in @uclpals.bsky.social! 🎉
The big move happens in spring/summer. So I’m already exploring recruiting staff & students at UCL for fall 2026!
October 13, 2025 at 4:29 PM
📣 BIG NEWS EVERYONE. I am so excited to announce…
🎉 I’m moving to University College London @ucl.ac.uk to join the Experimental Psychology department in @uclpals.bsky.social! 🎉
The big move happens in spring/summer. So I’m already exploring recruiting staff & students at UCL for fall 2026!
🎉 I’m moving to University College London @ucl.ac.uk to join the Experimental Psychology department in @uclpals.bsky.social! 🎉
The big move happens in spring/summer. So I’m already exploring recruiting staff & students at UCL for fall 2026!
Reposted by Ivana
New preprint! w/@drhanjones.bsky.social
Adding human-like memory limitations to transformers improves language learning, but impairs reading time prediction
This supports ideas from cognitive science but complicates the link between architecture and behavioural prediction
arxiv.org/abs/2508.05803
Adding human-like memory limitations to transformers improves language learning, but impairs reading time prediction
This supports ideas from cognitive science but complicates the link between architecture and behavioural prediction
arxiv.org/abs/2508.05803
Human-like fleeting memory improves language learning but impairs reading time prediction in transformer language models
Human memory is fleeting. As words are processed, the exact wordforms that make up incoming sentences are rapidly lost. Cognitive scientists have long believed that this limitation of memory may, para...
arxiv.org
August 18, 2025 at 12:40 PM
New preprint! w/@drhanjones.bsky.social
Adding human-like memory limitations to transformers improves language learning, but impairs reading time prediction
This supports ideas from cognitive science but complicates the link between architecture and behavioural prediction
arxiv.org/abs/2508.05803
Adding human-like memory limitations to transformers improves language learning, but impairs reading time prediction
This supports ideas from cognitive science but complicates the link between architecture and behavioural prediction
arxiv.org/abs/2508.05803
Reposted by Ivana
🚨New preprint🚨 out with the dream team @matanmazor.bsky.social @giuliacabbai.bsky.social and @nadinedijkstra.bsky.social!
We report a novel and robust effect across five different datasets: vivid imagery is reported faster than weak imagery.
📝: osf.io/preprints/ps...
We report a novel and robust effect across five different datasets: vivid imagery is reported faster than weak imagery.
📝: osf.io/preprints/ps...
July 21, 2025 at 2:57 PM
🚨New preprint🚨 out with the dream team @matanmazor.bsky.social @giuliacabbai.bsky.social and @nadinedijkstra.bsky.social!
We report a novel and robust effect across five different datasets: vivid imagery is reported faster than weak imagery.
📝: osf.io/preprints/ps...
We report a novel and robust effect across five different datasets: vivid imagery is reported faster than weak imagery.
📝: osf.io/preprints/ps...
Reposted by Ivana
I gave a talk in 2009 about feature-based attention and a famous vision scientist asked how top down signals from PFC could possibly target the right sensory neurons. The best I could do was "uh, dunno". sunyoungp.bsky.social has a much more thoughtful answer journals.plos.org/ploscompbiol...
Near-random connections support top-down feature-based attentional modulations in early sensory cortex
Author summary In everyday life, we focus on what matters—like finding our car keys on a messy desk—by sending signals from higher control brain areas to earlier sensory brain areas. These “top-down” ...
journals.plos.org
August 13, 2025 at 7:28 PM
I gave a talk in 2009 about feature-based attention and a famous vision scientist asked how top down signals from PFC could possibly target the right sensory neurons. The best I could do was "uh, dunno". sunyoungp.bsky.social has a much more thoughtful answer journals.plos.org/ploscompbiol...
Reposted by Ivana
Sensory sharpening and semantic prediction errors unify competing models of predictive processing in communication https://www.biorxiv.org/content/10.1101/2025.07.23.666354v1
July 25, 2025 at 6:15 AM
Sensory sharpening and semantic prediction errors unify competing models of predictive processing in communication https://www.biorxiv.org/content/10.1101/2025.07.23.666354v1
Reposted by Ivana
Fascinating sounding preprint by @fabianschneider.bsky.social and @helenblank.bsky.social on the role of predictions along the speech perception processing hierarchy. #neuroskyence
Sensory sharpening and semantic prediction errors unify competing models of predictive processing in communication https://www.biorxiv.org/content/10.1101/2025.07.23.666354v1
July 29, 2025 at 12:44 PM
Fascinating sounding preprint by @fabianschneider.bsky.social and @helenblank.bsky.social on the role of predictions along the speech perception processing hierarchy. #neuroskyence
Reposted by Ivana
Serious concerns about a new cortical biomarker for pain sensitivity
jamanetwork.com/journals/jam...
We (with @tspisak.bsky.social, @christianbuchel.bsky.social) published a commentary on Chowdhury, Bi et al. (2025, JAMA Neurology) raising serious concerns about their reported results.
👇 1/13
jamanetwork.com/journals/jam...
We (with @tspisak.bsky.social, @christianbuchel.bsky.social) published a commentary on Chowdhury, Bi et al. (2025, JAMA Neurology) raising serious concerns about their reported results.
👇 1/13
Concern About Predictive Performance of a Pain Sensitivity Biomarker
To the Editor Chowdhury et al1 evaluated a biomarker for pain sensitivity, combining peak alpha frequency and corticomotor excitability. The authors report outstanding performance (validation set area...
jamanetwork.com
July 22, 2025 at 3:24 PM
Serious concerns about a new cortical biomarker for pain sensitivity
jamanetwork.com/journals/jam...
We (with @tspisak.bsky.social, @christianbuchel.bsky.social) published a commentary on Chowdhury, Bi et al. (2025, JAMA Neurology) raising serious concerns about their reported results.
👇 1/13
jamanetwork.com/journals/jam...
We (with @tspisak.bsky.social, @christianbuchel.bsky.social) published a commentary on Chowdhury, Bi et al. (2025, JAMA Neurology) raising serious concerns about their reported results.
👇 1/13
Reposted by Ivana
New layer fMRI book chapter on the value of layer-fMRI for understanding psychiatric disorders.
by J Haarsma and P Kok @jhaarsma.bsky.social @peterkok.bsky.social
doi.org/10.1007/7854...
by J Haarsma and P Kok @jhaarsma.bsky.social @peterkok.bsky.social
doi.org/10.1007/7854...
July 16, 2025 at 4:20 PM
New layer fMRI book chapter on the value of layer-fMRI for understanding psychiatric disorders.
by J Haarsma and P Kok @jhaarsma.bsky.social @peterkok.bsky.social
doi.org/10.1007/7854...
by J Haarsma and P Kok @jhaarsma.bsky.social @peterkok.bsky.social
doi.org/10.1007/7854...
Reposted by Ivana
@peterkok.bsky.social and I wrote a book chapter on how layer specific fMRI can shine light on disorders hallmarked by perceptual disturbances. This is part of a series on Perceptual Dysregulation in Psychiatric Nosology edited by @skhalsa.bsky.social and Al Powers link.springer.com/chapter/10.1...
How Layer-Specific fMRI Can Contribute to Understanding Perceptual Disturbances Across Psychiatric Disorders
Perceptual disturbances occur across various sensory domains and contribute to significant suffering in numerous psychiatric and neurological conditions. Despite decades of research into the neural me...
link.springer.com
July 15, 2025 at 10:00 AM
@peterkok.bsky.social and I wrote a book chapter on how layer specific fMRI can shine light on disorders hallmarked by perceptual disturbances. This is part of a series on Perceptual Dysregulation in Psychiatric Nosology edited by @skhalsa.bsky.social and Al Powers link.springer.com/chapter/10.1...
Reposted by Ivana
Out now @cp-trendscognsci.bsky.social, w/ @akalt.bsky.social & @drmattdavis.bsky.social.
Are sensory sampling rhythms fixed by intrinsically-determined processes, or do they couple to external structure? Here we highlight the incompatibility between these accounts and propose a resolution [1/6]
Are sensory sampling rhythms fixed by intrinsically-determined processes, or do they couple to external structure? Here we highlight the incompatibility between these accounts and propose a resolution [1/6]
June 19, 2025 at 11:18 AM
Out now @cp-trendscognsci.bsky.social, w/ @akalt.bsky.social & @drmattdavis.bsky.social.
Are sensory sampling rhythms fixed by intrinsically-determined processes, or do they couple to external structure? Here we highlight the incompatibility between these accounts and propose a resolution [1/6]
Are sensory sampling rhythms fixed by intrinsically-determined processes, or do they couple to external structure? Here we highlight the incompatibility between these accounts and propose a resolution [1/6]
Reposted by Ivana
Check out my published PhD work including links to analysis code and EEG data (n=83): www.nature.com/articles/s44...
Big thank you to my co-authors, the editor and the reviewers.
Big thank you to my co-authors, the editor and the reviewers.
Pre-stimulus beta power mediates explicit and implicit perceptual biases in distinct cortical areas - Communications Psychology
Two EEG studies in healthy human adults suggest that choice history and stimulus probability-induced biases in somatosensory perception are reflected in distinct prestimulus beta power modulations acr...
www.nature.com
June 22, 2025 at 11:21 PM
Check out my published PhD work including links to analysis code and EEG data (n=83): www.nature.com/articles/s44...
Big thank you to my co-authors, the editor and the reviewers.
Big thank you to my co-authors, the editor and the reviewers.
Reposted by Ivana
The beta release of SPM-Python is out now! Amazing work by Johan Medrano @johmedr.bsky.social , Yael Balbastre, Yulia Bezsudnova @ybezs.bsky.social and other members of their team. A new era for SPM! #OHBM2025
Drumroll... The SPM team will announce that SPM is now fully accessible from Python! 🐍 Learn more about SPM-Python at the SPM roundtable event (Friday, 1pm) and poster number 1841 at #OHBM2025. Try the beta for yourself at github.com/spm/spm-python [2/7]
GitHub - spm/spm-python: The Python interface to SPM
The Python interface to SPM. Contribute to spm/spm-python development by creating an account on GitHub.
github.com
June 23, 2025 at 8:22 AM
The beta release of SPM-Python is out now! Amazing work by Johan Medrano @johmedr.bsky.social , Yael Balbastre, Yulia Bezsudnova @ybezs.bsky.social and other members of their team. A new era for SPM! #OHBM2025
Reposted by Ivana
New MEG paper by @jhaarsma.bsky.social and @dotproduct.bsky.social! Same design and behavioural results as our 7T layer fMRI study (www.jneurosci.org/content/43/4...), but now shedding light on the temporal dynamics of the sensory signals underlying false percepts. #neuroskyence
Shared and diverging neural dynamics underlying false and veridical perception
We often mistake visual noise for meaningful images, which sometimes appear as convincing as veridical percepts. This suggests considerable overlap between the mechanisms that underlie false and verid...
www.jneurosci.org
June 10, 2025 at 9:27 AM
New MEG paper by @jhaarsma.bsky.social and @dotproduct.bsky.social! Same design and behavioural results as our 7T layer fMRI study (www.jneurosci.org/content/43/4...), but now shedding light on the temporal dynamics of the sensory signals underlying false percepts. #neuroskyence
Reposted by Ivana
Our study using layer fMRI to study the direction of communication between the hippocampus and cortex during perceptual predictions is finally out in Science Advances! Predicted-but-omitted shapes are represented in CA2/3 and correlate specifically with deep layers of PHC, suggesting feedback. 🧠🟦
Communication of perceptual predictions from the hippocampus to the deep layers of the parahippocampal cortex
High-resolution neuroimaging reveals stimulus-specific predictions sent from hippocampus to the neocortex during perception.
www.science.org
May 22, 2025 at 1:55 AM
Our study using layer fMRI to study the direction of communication between the hippocampus and cortex during perceptual predictions is finally out in Science Advances! Predicted-but-omitted shapes are represented in CA2/3 and correlate specifically with deep layers of PHC, suggesting feedback. 🧠🟦
Reposted by Ivana
www.academictransfer.com/nl/jobs/3525...
New PhD position part of a joint research program between Maastricht and the Radboud University on neural control. Are you interested in predictive processes and perception, and using ultra high field fMRI to study these systems? Apply or get in touch now!
New PhD position part of a joint research program between Maastricht and the Radboud University on neural control. Are you interested in predictive processes and perception, and using ultra high field fMRI to study these systems? Apply or get in touch now!
PhD position in biological foundations of neural control
Maastricht University and Radboud University Nijmegen are jointly starting a research program on neural control to understand and restore brain function. In this project we aim to understand the neuro...
www.academictransfer.com
June 2, 2025 at 10:09 AM
www.academictransfer.com/nl/jobs/3525...
New PhD position part of a joint research program between Maastricht and the Radboud University on neural control. Are you interested in predictive processes and perception, and using ultra high field fMRI to study these systems? Apply or get in touch now!
New PhD position part of a joint research program between Maastricht and the Radboud University on neural control. Are you interested in predictive processes and perception, and using ultra high field fMRI to study these systems? Apply or get in touch now!
Reposted by Ivana
It's never a bad time to remind everyone:
June 4, 2024 at 5:20 AM
It's never a bad time to remind everyone:
Reposted by Ivana
🎺 #BrainMeeting 🧠 Alert!
This Friday, May 16th, the brain meeting speaker will be Ron Mangun with a talk entitled "Brain Mechanisms of Attention: Sensory Selection to Free Will"
All are welcome to join us in person or online. Details here:
www.fil.ion.ucl.ac.uk/event/brain-...
This Friday, May 16th, the brain meeting speaker will be Ron Mangun with a talk entitled "Brain Mechanisms of Attention: Sensory Selection to Free Will"
All are welcome to join us in person or online. Details here:
www.fil.ion.ucl.ac.uk/event/brain-...
May 12, 2025 at 8:32 AM
🎺 #BrainMeeting 🧠 Alert!
This Friday, May 16th, the brain meeting speaker will be Ron Mangun with a talk entitled "Brain Mechanisms of Attention: Sensory Selection to Free Will"
All are welcome to join us in person or online. Details here:
www.fil.ion.ucl.ac.uk/event/brain-...
This Friday, May 16th, the brain meeting speaker will be Ron Mangun with a talk entitled "Brain Mechanisms of Attention: Sensory Selection to Free Will"
All are welcome to join us in person or online. Details here:
www.fil.ion.ucl.ac.uk/event/brain-...
Reposted by Ivana
Brilliant work (as usual) by @davidrichter.bsky.social with @timkietzmann.bsky.social and @predictivebrain.bsky.social. Important implications for hierarchical predictive processing. #neuroskyence
High-level visual prediction errors in early visual cortex!
In collaboration with @timkietzmann.bsky.social and @predictivebrain.bsky.social we explored what type of surprise drives the enhanced sensory response often observed for surprising inputs.
doi.org/10.1371/jour...
Summary 🧵 below
In collaboration with @timkietzmann.bsky.social and @predictivebrain.bsky.social we explored what type of surprise drives the enhanced sensory response often observed for surprising inputs.
doi.org/10.1371/jour...
Summary 🧵 below
High-level visual prediction errors in early visual cortex
Surprising sensory input triggers stronger neural activity than expected input, but at which level of the cortical hierarchy are these predictions made? This study shows that prediction errors are com...
doi.org
November 17, 2024 at 9:14 AM
Brilliant work (as usual) by @davidrichter.bsky.social with @timkietzmann.bsky.social and @predictivebrain.bsky.social. Important implications for hierarchical predictive processing. #neuroskyence
Reposted by Ivana
I am beyond excited to share our new preprint ‘A neural basis for distinguishing between imagination and reality’ with Thomas von Rein, @peterkok.bsky.social and @smfleming.bsky.social! osf.io/preprints/ps... a thread 🧵
OSF
osf.io
November 15, 2024 at 8:07 AM
I am beyond excited to share our new preprint ‘A neural basis for distinguishing between imagination and reality’ with Thomas von Rein, @peterkok.bsky.social and @smfleming.bsky.social! osf.io/preprints/ps... a thread 🧵
Reposted by Ivana
High-level visual prediction errors in early visual cortex!
In collaboration with @timkietzmann.bsky.social and @predictivebrain.bsky.social we explored what type of surprise drives the enhanced sensory response often observed for surprising inputs.
doi.org/10.1371/jour...
Summary 🧵 below
In collaboration with @timkietzmann.bsky.social and @predictivebrain.bsky.social we explored what type of surprise drives the enhanced sensory response often observed for surprising inputs.
doi.org/10.1371/jour...
Summary 🧵 below
High-level visual prediction errors in early visual cortex
Surprising sensory input triggers stronger neural activity than expected input, but at which level of the cortical hierarchy are these predictions made? This study shows that prediction errors are com...
doi.org
November 13, 2024 at 3:28 PM
High-level visual prediction errors in early visual cortex!
In collaboration with @timkietzmann.bsky.social and @predictivebrain.bsky.social we explored what type of surprise drives the enhanced sensory response often observed for surprising inputs.
doi.org/10.1371/jour...
Summary 🧵 below
In collaboration with @timkietzmann.bsky.social and @predictivebrain.bsky.social we explored what type of surprise drives the enhanced sensory response often observed for surprising inputs.
doi.org/10.1371/jour...
Summary 🧵 below
Reposted by Ivana
Laminar dissociation of feedforward and feedback in high-level ventral visual cortex during imagery and perception www.cell.com/iscience/ful... "Visual imagery and perception have distinctive laminar responses in FFA and PPA"; mental imagery, #neuroscience
June 12, 2024 at 10:28 AM
Laminar dissociation of feedforward and feedback in high-level ventral visual cortex during imagery and perception www.cell.com/iscience/ful... "Visual imagery and perception have distinctive laminar responses in FFA and PPA"; mental imagery, #neuroscience
Reposted by Ivana
Super excited to share the very first preprint from my PhD: Pre-stimulus alpha oscillations encode stimulus-specific visual predictions. [1/8] #neuroskyence #PsychSciSky #compneurosky biorxiv.org/cgi/content/...
Pre-stimulus alpha oscillations encode stimulus-specific visual predictions
bioRxiv - the preprint server for biology, operated by Cold Spring Harbor Laboratory, a research and educational institution
biorxiv.org
March 15, 2024 at 9:24 AM
Super excited to share the very first preprint from my PhD: Pre-stimulus alpha oscillations encode stimulus-specific visual predictions. [1/8] #neuroskyence #PsychSciSky #compneurosky biorxiv.org/cgi/content/...
Reposted by Ivana
Hello bluesky! Lucky to be included among incredible women at the FIL to mark #InternationalWomensDay! Here's a glimpse into who I am!
#neuroskyence #PsychSciSky
#neuroskyence #PsychSciSky
March 13, 2024 at 11:39 AM
Hello bluesky! Lucky to be included among incredible women at the FIL to mark #InternationalWomensDay! Here's a glimpse into who I am!
#neuroskyence #PsychSciSky
#neuroskyence #PsychSciSky