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Posts by Klaus Gramann

NEW preprint with @stephen-ramanoel.bsky.social and @mobilebrainimaging.bsky.social 🎉

In this final study of my PhD, we combined immersive virtual reality with mobile EEG and gait analysis during a path integration task, recording from 30 young and 32 older adults

www.biorxiv.org/content/10.6...

3 weeks ago 26 11 1 1
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How spatial configuration shapes memory and cognitive load: A behavioural and EEG study of simultaneous spatial and associative memory

www.sciencedirect.com/science/arti...

3 weeks ago 27 6 0 0
Anatomical representation of Braak stages in Alzheimer’s disease (with a focus on stages I to III associated with preclinical AD) and spatial navigation computations.

Anatomical representation of Braak stages in Alzheimer’s disease (with a focus on stages I to III associated with preclinical AD) and spatial navigation computations.

⚠️New review straight out of the oven!
"Spatial navigation in preclinical Alzheimer's disease: A review"
arxiv.org/abs/2603.23082

We focus on spatial navigation as a sensitive cognitive marker in preclinical AD, compiling evidence from cognitively unimpaired individuals with positive AD biomarkers.

3 weeks ago 11 11 2 0
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My first-author review ‘Determinants of individual navigation ability’ is out in Nature Reviews Psychology, co-authored with the inspiring @hugospiers.bsky.social!!!! 🎉🧠

➡️ rdcu.be/e7KxG

#Neuroscience #Navigation @nature.com @natrevpsychol.nature.com @sfn.org @fens.org @ucl.ac.uk

1 month ago 40 18 2 0

Is spatial navigation innate 🧠? Using #NeuroPixels we show that the #torus 🍩 underlying the #GridCell map exists already on day 10 in rats — before pups open eyes and ears and before they start upright walking. 🧵1:4
👇
www.biorxiv.org/content/10.6...

1 month ago 113 28 2 7
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Exercise enhances hippocampal-cortical ripple interactions in the human brain Physical exercise doesn't just benefit the heart and muscles—it also supports brain health. This study reveals how a single exercise session can influence

Exercise enhances hippocampal-cortical ripple interactions in the human brain

neat analysis from iEEG data in patients:

academic.oup.com/braincomms/a...

1 month ago 25 4 0 0
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Egocentric Spatial Memory Deficit in Amnestic Mild Cognitive Impairment Revealed Through Virtual Reality: Cross-Sectional Study Background: Spatial navigation relies on egocentric and allocentric frames of reference, with the latter critically impaired in Alzheimer disease (AD) due to hippocampal involvement. Recent evidence s...

Check out this fascinating article aging.jmir.org/2026/1/e79224

1 month ago 10 3 0 0
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How do people end up following their satnavs into danger? The experts have their say after an Amazon delivery driver got stuck in mudflats this week.

My comments on the impact of GPS on our brains.
Not all bad, but the consequences can be bad, as in the case of this amazon delivery driver!

www.bbc.co.uk/news/article...

2 months ago 21 5 4 1

💯 there's definitely a big divide between human and animal neuroscience. e.g., there are few training courses that take a unified approach, it feels highly separated. a big missed opportunity...

2 months ago 9 1 0 0
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The Cost of Confusion: Dispelling Myths about the NIH Public Access Policy and Article Processing Charges Last July, the NIH issued an RFI on limiting direct spending on article processing charges (APCs). Over 900 public responses offered valuable perspectives but also exposed widespread misconceptions ab...

V useful piece dispelling myths about NIH policy on open access
upstream.force11.org/cost-of-conf...

2 months ago 17 13 0 1

Data/code curation is an art and needs dedicated time and care. Useful resource:

2 months ago 7 1 0 0
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We’re hiring! The Suthana Lab @ Duke is looking for a Research Assistant to join our team studying human memory & real-world 🧠 dynamics using wearable tech & intracranial recordings.

Apply: careers.duke.edu/job/Durham-C...

You can also email suthanalab@duke.edu with CV/questions. Please share!

2 months ago 53 41 2 2
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Fascinating neuropsych article from 1919 of a patient with spatial disorientation, with a loss of mental imagery for routes:

watermark02.silverchair.com/archneurpsyc...

2 months ago 24 4 1 0
Talks & Posters – MoBI 2026

📢 Submission deadline extended!

Extra time for your submission! The deadline for talk and poster submissions has been extended to 28 February 2026! 🎉

🔗 Submit your abstract: blogs.tu-berlin.de/bpn_mobi2026...

We're excited to hear about your work! 🚀

#MoBI2026 #MobileBrainImaging #EEG #NIRS

2 months ago 1 2 0 0

ABSOLUTELY!

3 months ago 1 0 0 0
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✨ What better way to wrap up a conference day than sharing this view with colleagues and friends, after inspiring science and insights into mobile brain imaging?

Join the Mobile Brain/Body Imaging Conference #MoBI2026 August 25–28, 2026 and enjoy this view during our social!

👉 lnkd.in/d-5SKVtU

3 months ago 5 2 1 0
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You still have two weeks to register for COGNESTIC, 14-25 September 2026. We provide training in state-of-the-art methods for neuroimaging analysis and great opportunities for professional networking, especially for early-career researchers. For more info:
www.mrc-cbu.cam.ac.uk/events/cogne...

3 months ago 10 11 0 0

In the bizarro world of academic journals, the rights of the author are sacrosanct and the integrity of the scientific record is someone else's problem. A paper's validity depends on emails sent 2 months later. Datasets are interchangeable. The overall conclusions of the study are not affected.

3 months ago 27 6 0 1
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This is going to be an amazing conference in Athens in June 2026

The Neural Basis of Natural Behaviours

I'll be there talking about recording brains while riding the waves between atolls on trimaran in the pacific:

conferences.weizmann.ac.il/NBNB2026/spe...

3 months ago 30 6 1 1
An Open Letter to the BMJ Editorial Board to: Editor in chief, Kamran Abbasi , kabbasi@bmj.com      Executive editor, Theodora Bloom , tbloom@bmj.com      Head of research, Elizab...

How long should it take to retract a paper with incontrovertible signs of data fabrication? Sleuths think 2 months is too long, particularly when clinical risks are involved. deevybee.blogspot.com/2026/01/an-o...
#retraction #stemcells #cardiology
@erictopol.bsky.social

3 months ago 70 32 1 7
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Projection-specific integration of convergent thalamic and retrosplenial signals in the presubicular head direction cortex Nonlinear dendritic integration in single presubicular neurons provides a mechanism for combining vestibular-based head-direction signals and visual landmark signals to anchor the brain’s internal com...

Coincidence of thalamic HD signal and retrosplenial visual input is detected in the Presubiculum! 🎯 This may be the neuronal basis for landmark anchoring of the HD signal. Pleased to announce the VOR is now available elifesciences.org/articles/92443 Congrats first author Louis Richevaux 🙌

3 months ago 36 12 1 2
LinkedIn This link will take you to a page that’s not on LinkedIn

Top 3 winners receive:
🏆Trophy & certificate
🧠 Full mobile EEG system — ready to record & analyze
🌍 Spotlight at the MoBI Conference 2026

blogs.tu-berlin.de/bpn_mobi2026/

🔍 Judging criteria:
- Scientific excellence
- Innovation & impact
- Relevance to mobile EEG & MoBI

📩 Submit today

3 months ago 0 0 0 0

🏆 MoBI Award 2026 — Submissions now open

📣Showcase your research to an expert jury and gain global recognition!

🎤1st prize winner presents in a dedicated session!

📩 Ready to share your work? Submit today:
lnkd.in/dyxWayWZ

#MoBIAward #MobileEEG #Neurotech #MoBI2026 #BrainImaging #Neuroscience

3 months ago 0 0 1 0
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Don’t miss your chance to contribute to cutting-edge research and join an advancing mobile EEG/NIRS field.

🔗 Visit the conference website to submit your abstract and find details and important dates:

blogs.tu-berlin.de/bpn_mobi2026/

#MoBI2026 #EEG #NIRS #RealWorldNeuroscience

3 months ago 1 0 0 0
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🏢 An amazing conference site at the historic Oderberger Hotel (lnkd.in/dQfdzd4v)

✈️ And a stunning view over Berlin from the Pan Am Lounge for our social (panam-hotel.de/en/)

📅 Deadline for submissions: 31 January 2026

3 months ago 1 0 1 0
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💥 End-of-the-year reminder to submit your research for the MoBI2026 in Berlin!

Join us in Berlin, Germany, from August 25–28, 2026 —abstract submissions are officially open.

lnkd.in/d-5SKVtU

🧠 3 fantastic keynotes:
@suthanalab.bsky.social, @johnfoxe.bsky.social, and @brittawestner.bsky.social

3 months ago 3 1 1 0
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🧠 Reminder for the #NeuroscienceCommunity
Abstracts & Registration for #MoBI2026 is open!

👉 Find everything you need here:
blogs.tu-berlin.de/bpn_mobi2026/
📍 Travel info
🏨 Accommodation details
📝 Abstract submission

PS: we now also have an amazing place for the social...(stay tuned)

4 months ago 4 3 0 0
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In other words, theta activity in the RSC appears to anchor the body to surrounding space in an adaptive, orientation-stabilizing fashion.

This mechanism is fundamental for spatial orienting and it’s another very impressive contribution from @clementnaveilhan.bsky.social using mobile EEG with VR.

4 months ago 1 0 0 0

💡 Theta episodes increase at rotation onset, likely driven by vestibular acceleration signals, and
🧨 Most importantly, theta episodes align with the body’s cardinal axes, revealing a striking egocentric four-fold symmetry only during goal-directed rotations!

4 months ago 0 0 1 0
LinkedIn This link will take you to a page that’s not on LinkedIn

Building on our previous work (Building on our previous work (lnkd.in/dYrUV7Yc) showing increases in theta power to calibrate the path integrator during spatial navigation using landmark information and to reflect rotational movement execution, this new study demonstrates:

4 months ago 0 0 1 0