Marcel Bausch

Neuroscientist studying memory and contextual processing with electrophysiology in humans and with wearable technologies in the field.

[Marcel Bausch @MarcelBausch]

Excited to share our new human memory paper in @Nature! 🧠
Bausch et al. (2026): https://t.co/fRdU4ukP9C
Rodent neurons often mix content & context. But humans? We found neurons encode content & context largely separately, then dynamically combine them. 🧵👇

[Marcel Bausch @MarcelBausch]

@Nature This suggests the brain supports flexible memory by reusing content representations while reconstructing context as needed.
Huge thanks to co-authors @j_niediek Thomas Reber, Sina Mackay, Jan Boström, C. Elger & F. Mormann at @UniBonn & @UniklinikBonn!
#Memory #Hippocampus

[Marcel Bausch @MarcelBausch]

Excited to share our new human memory paper in @Nature! 🧠
Bausch et al. (2026): https://t.co/fRdU4ukP9C
Rodent neurons often mix content & context. But humans? We found neurons encode content & context largely separately, then dynamically combine them. 🧵👇

[Marcel Bausch @MarcelBausch]

@Nature Rather than storing combinations, context is dynamically reinstated.
We saw co-activation of distinct content & context neurons. Signal strength predicts memory performance. 📈 With learning, coordinated firing emerges consistent with synaptic plasticity & pattern completion.

[Marcel Bausch @MarcelBausch]

@Nature #memory: Human MTL keeps content and context separate, then links them when needed. After pairing, entorhinal content spikes predict hippocampal context spikes ~40 ms later, pointing to plasticity and pattern completion. [https://t.co/fRdU4ukhk4](https://t.co/fRdU4ukhk4)

[Nature Communications @NatureComms]

New work, single-neuron mechanisms of neural adaptation in the human temporal lobe

by @tpreber @humansingleunit @MarcelBausch #semanticmemory #medialtemporallobe

https://t.co/JImxGwrKmA

[Neil Burgess @NeilBurgess10]

Great work from Dan Bush @FOlafsdottir & @caswellcaswell - phase coding vs ripples during replay, just like phase coding vs theta during running (with slightly different forward sweeps). Out now! https://t.co/nmuCz5SPgZ

[Marcel Bausch @MarcelBausch]

@TheBrainTLDR @j_niediek @tpreber @humansingleunit Concept neurons increased firing whenever attention was directed towards the preferred concept that could be maintained in memory without sustained activation. Sequential firing of concept neurons suggested activity-silent storage mechanisms of concepts and their relations.

[Marcel Bausch @MarcelBausch]

@TheBrainTLDR @j_niediek @tpreber @humansingleunit A subset of concept neurons with invariant responses to a preferred concept (e.g. tie) expressed relations between concepts as late reactivated firing to non-preferred stimuli (e.g. strawberry or pretzel) whenever the task required a comparison to the preferred concept.

[Marcel Bausch @MarcelBausch]

Very interesting study that investigates how the relevance of spatial versus temporal relations affects hippocampal representations and choice with the help of the OFC. Great work!

[DoellerLab @doellerlab]

Our new preprint led by @mona_garvert is live: Hippocampal spatio-temporal cognitive maps adaptively guide reward generalization. Work with @cpilab & @nico_schuck https://t.co/agLyozwyow

[Marcel Bausch @MarcelBausch]

@doellerlab @mona_garvert @cpilab @nico_schuck Very interesting study that investigates how the relevance of spatial versus temporal relations affects hippocampal representations and choice with the help of the OFC. Great work!

[Marcel Bausch @MarcelBausch]

@tpreber @NatureComms @humansingleunit Thank you Thomas. It was a great collaboration and it's a pleasure to work with you. Also many thanks to @j_niediek Sina Mackay and Florian Mormann.

[Marcel Bausch @MarcelBausch]

@leafs_s @j_niediek @tpreber @humansingleunit Concept neurons increased firing whenever attention was directed towards the preferred concept that could be maintained in memory without sustained activation. Sequential firing of concept neurons suggested activity-silent storage mechanisms of concepts and their relations.

[Marcel Bausch @MarcelBausch]

@leafs_s @j_niediek @tpreber @humansingleunit A subset of concept neurons with invariant responses to a preferred concept (e.g. tie) expressed relations between concepts as late reactivated firing to non-preferred stimuli (e.g. strawberry or pretzel) whenever the task required a comparison to the preferred concept.

[Marcel Bausch @MarcelBausch]

@CogSciSoc Our paper (@humansingleunit) shows that concept neurons encode relations between concepts in humans, suggests activity-silent storage mechanisms and supports Cowan's model of working memory as adapted by @kaminski_janek and @UeliRutishauser

[Marcel Bausch @MarcelBausch]

@CogSciSoc Thanks! A subset of concept neurons with invariant responses to a preferred concept (e.g. tie) expressed relations between concepts as late reactivated firing to non-preferred stimuli (e.g. strawberry or pretzel) whenever the task required a comparison to the preferred concept.

[Marcel Bausch @MarcelBausch]

@humansingleunit @kaminski_janek @UeliRutishauser Concept neurons increased firing whenever attention was directed towards the preferred concept that could be maintained in memory without sustained activation. Sequential firing of concept neurons suggested activity-silent storage mechanisms of concepts and their relations.

[Marcel Bausch @MarcelBausch]

@humansingleunit @kaminski_janek @UeliRutishauser A subset of concept neurons with invariant responses to a preferred concept (e.g. tie) expressed relations between concepts as late reactivated firing to non-preferred stimuli (e.g. strawberry or pretzel) whenever the task required a comparison to the preferred concept.

[bioRxiv Neuroscience @biorxiv_neursci]

Internally Generated Time in the Rodent Hippocampus is Logarithmically Compressed https://t.co/PE3ibjJP5C #biorxiv_neursci