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Tobias Ackels

@tobiasackels.bsky.social
442 followers 444 following 42 posts

Asst. Prof. at the University of Bonn, Germany. Interested in sensory neurophysiology and behaviour with a focus on olfaction

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Reposted by Tobias Ackels
IMPRS for Brain and Behavior @imprsbb.bsky.social · 02/09/2026
📢Apply now! Join our IMPRS for Brain&Behavior to pursue a #PhD in #neuroethology. Learn how brain circuits are linked to interesting animal behaviors! 📅 Deadline: October 15, 2026 🔗 imprs-brain-behavior.mpg.de #neuroscience #Neuroskyence #neurojobs #sciencejobs #PhDsky #PhDOffers #FundedPhD
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Tobias Ackels @tobiasackels.bsky.social · 28/07/2026
Very happy to share that I've been awarded tenure at the Medical Faculty of the University of Bonn. Thank you to all my mentors, collaborators, colleagues, and friends for your support along the way. A special thank you to the outstanding team in my lab. Here's to the next chapter!
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Johnston Lab @inchinn.bsky.social · 23/07/2026
We're hiring! 🚀 Postdoctoral Fellow — Context-Dependent Learning in the Olfactory Bulb 🧠🧪 BBSRC-funded project at Leeds using 2-photon imaging🔬 to uncover how learning reshapes odour coding. Neuroscience PhD + in vivo recording experience? Apply: jobs.leeds.ac.uk/Vacancy.aspx... #Postdoc #Olfaction
jobs.leeds.ac.uk
Job Opportunity at University of Leeds: Research Fellow in Neuroscience
Overview of the RoleAre you an ambitious researcher looking for your next challenge? Do you have an established background in Neuroscience? Do you want to further your career in one of the UK’s leadin...
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Ivan Manzini @xenofrog.bsky.social · 07/07/2026
🐸 Postdoc Position (m/f/d) in Neurobiology! The project focuses on how smell shapes feeding behavior in poison frogs and is conducted in collaboration with Prof. Jennifer Stynoski (Costa Rica). 🌎🌿 . For more information and to apply, please use the link below. www.uni-giessen.de/de/ueber-uns...
uni-giessen.de
Research Associate / Postdoctoral Researcher (m/f/d) “Olfactory Control of Behavior in Amphibians”
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MODOLFOR @modolfor.bsky.social · 05/06/2026
Check out the newest Neuroforum issue of the German Neuroscience Society and learn more about the members of the MODOLFOR research unit 5424 "Modulation in Olfaction" and their scientific interests (in German): nwg-info.de/sites/nwg-in...
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Tobias Ackels @tobiasackels.bsky.social · 12/05/2026
🚨 Preprint alert! 🚨 How does the olfactory bulb transform overlapping sensory inputs into representations that are easier to distinguish? New study by Sina Tootoonian, Yikai Yang, @andreas-t-schaefer.bsky.social @crick.ac.uk and myself.‬ www.biorxiv.org/content/10.6... A short 🧵 below
biorxiv.org
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Venki Murthy @neurovenki.bsky.social · 01/05/2026
Our work on the perception of intermittent odor stimuli out in @natcomms.nature.com! Led by @luxorboero.bsky.social & former grad student Hao Wu; key contributions from @btolooshams.bsky.social, @siddjakes.bsky.social, @paulmasset.bsky.social, @josephdzak.bsky.social, Farhad Pashakhanloo, Demba Ba.
nature.com
Perception and neural representation of intermittent odor stimuli in mice - Nature Communications
Animals navigate odor plumes by exploiting dynamic and intermittent cues. Here, the authors show that mice can discriminate among different fluctuating odor signals, and characterize their neural enco...
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Datta Lab @dattalab.bsky.social · 29/04/2026
Excited to see our paper describing a stereotyped receptor map for smell (led by @davidhbrann.bsky.social ) out in the world! See below for short thread with open access link to paper www.nytimes.com/2026/04/29/s...
nytimes.com
Scientists Unveil ‘Long Lost’ Map for Smell
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Dima Rinberg @dimarinberg.bsky.social · 15/04/2026
When it comes to sensory processing, cortex should not get all the credit... In olfaction, a key challenge is identifying odors regardless of concentration. Our new paper in @natneuro.nature.com shows how the olfactory bulb performs this crucial computation before signals even reach the cortex.
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Athena Akrami @athenaakrami.bsky.social · 07/04/2026
Academic friends, It's beyond heartbreaking to watch what's unfolding in Iran & the region. A few of us drafted an open letter calling for protection of civilians & of educational, research, medical & cultural institutions. Please read & sign if you agree: sites.google.com/view/protect... #IranWar
sites.google.com
Protect Academic Life in Iran
We, the undersigned academics and researchers from around the world, express our profound concern over recent military strikes on Iran, the retaliatory responses, and the reported impact on civilian l...
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Naturalistic Neuroscience @natneuro.bsky.social · 02/03/2026
Registration and abstract submission for our symposium Naturalistic Neuroscience – from perception to action and back (University of Bonn 28-29 May 2026) is no open! www.nn2026.uni-bonn.de/en/registrat... #NN2026 @unibonn.bsky.social #naturalisticneuroscience #neuroscience #symposium #cfa
nn2026.uni-bonn.de
Registration
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Tobias Ackels @tobiasackels.bsky.social · 22/02/2026
One week left to apply!
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Tobias Ackels @tobiasackels.bsky.social · 01/02/2026
Postdoc position in systems neuroscience! Excited to recruit a postdoc for my lab at the University of Bonn. 🔬 In vivo physiology (Neuropixels, 2P/miniscope) 🐭 Head-fixed & freely moving behaviour 💡 Optogenetics/chemogenetics ⏳ Start: ASAP | Application deadline: 28.02.2026 More info below ⬇️
The research group “Sensory Dynamics and Behaviour” of Prof. Dr. Tobias Ackels at the Institute of Experimental Epilepsy and Cognition Research at the
University Hospital Bonn invites applications for a position as:
Postdoctoral Researcher (m/f/d)
The position is initially limited to three years (TV-L E13/100%),
starting from April 2026 or as soon as possible.
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 16/12/2025
Projection-specific Routing of Odor Information in the Olfactory Cortex www.biorxiv.org/content/10.64898/20…
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Tobias Ackels @tobiasackels.bsky.social · 11/12/2025
PhD position in systems neuroscience! Excited to start a new DFG-funded project together with @obarnstedt.bsky.social to study olfactory–spatial coding in CA1. 🔬 Dual-colour miniscope Ca2+ imaging 🐭 Freely moving behaviour & optogenetics ⏳ Start: April 2026 | Deadline: 31.01.2026 More info below ⬇️
The project studies how the hippocampal CA1 integrates olfactory and spatial information for goal-directed navigation. The position is a 3-year DFG-funded PhD (TV-L E13, 65%) starting April 2026, jointly supervised by Prof. Tobias Ackels at University Hospital Bonn and Dr. Oliver Barnstedt at the European Neuroscience Institute Göttingen. The project uses dual-colour miniscope calcium imaging, optogenetics, and behavioural experiments in freely moving mice. Application deadline is 31 January 2026, with applications sent by email.
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Tobias Rose @trose-neuro.bsky.social · 21/11/2025
Looking for a postdoc to understand dynamic vision in action in freely moving mice? Get in touch! This is a @erc.europa.eu postdoc in a project between us and @sinzlab.bsky.social: miniature 2-photon, rich behavior tracking, and deep learning models linking natural behavior to cortical activity|RT
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Jonny Kohl @jkohl.bsky.social · 22/10/2025
Out today in Nature: We uncover a neural mechanism for the integration of two internal states - hunger and estrous state - and how this integration shapes pup-directed behaviors in mice. www.nature.com/articles/s41...
nature.com
Integration of hunger and hormonal state gates infant-directed aggression - Nature
Combined behavioural, circuit-level and cellular approaches are used to demonstrate how hypothalamic neurons integrate hunger and oestrous state to drive a switch in how female mice interact with pups...
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IMPRS for Brain and Behavior @imprsbb.bsky.social · 27/08/2025
📢Apply now! Join our IMPRS for Brain&Behavior to pursue a #PhD in #neuroethology. Learn how brain circuits are linked to interesting animal behaviors! 📅 Deadline: October 31, 2025 🔗 imprs-brain-behavior.mpg.de #neuroscience #Neuroskyence #neurojobs #sciencejobs #PhDsky #PhDOffers #FundedPhD
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Venki Murthy @neurovenki.bsky.social · 01/09/2025
Thrilled to share this work, long time in the making! Carried through creatively by @siddjakes.bsky.social after initial design & piloting by @trackingskills.bsky.social, with help from @trackingactions.bsky.social. Modeling in collaboration with Massimo Vergassola & Nicola Rigolli.
biorxiv.org
Mice navigate scent trails using predictive policies
Animals actively sense their environment to extract features of interest to guide behaviors. For mammals, odors are prominent environmental features which are sampled by active modulation of sniffing ...
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Izumi Fukunaga @ifukunaga.bsky.social · 13/06/2025
Animals’ sniffing drives rhythmic input to the olfactory system. How does this timing contribute to perception, especially beyond first steps of olfactory processing? We tested this using simple closed-loop optogenetics in our new paper: www.cell.com/iscience/ful...
cell.com
Decoding olfactory bulb output: A behavioral assessment of rate, synchrony, and respiratory phase coding
Neurogenetics; Behavioral neuroscience; Sensory neuroscience
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Tobias Ackels @tobiasackels.bsky.social · 11/06/2025
Fun collaborative work together with the amazing lab of @sophiesteculorum.bsky.social now published!
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Tobias Ackels @tobiasackels.bsky.social · 18/05/2025
🚨 Preprint alert! 🚨 Can mice estimate the distance to an odour source? New work led by Cristina Marin and colleagues, jointly supervised by @andreas-t-schaefer.bsky.social at the @crick.ac.uk and myself. Spoiler alert: Yes, they can! Read the paper here: bit.ly/43A9tF9 Short 🧵 below
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bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 09/05/2025
A spatial code governs olfactory receptor choice and aligns sensory maps in the nose and brain www.biorxiv.org/content/10.1101/202…
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Yuxin Zhang @yuxinzhang.bsky.social · 01/05/2025
My PhD project is out as a preprint! We combined 2P and synchrotron X-ray to understand mouse olfactory bulb circuits, linking physiology to structure in 3 animals! doi.org/10.1101/2025... 🙌 @carlesbosch.bsky.social, @apacureanu.bsky.social, @andreas-t-schaefer.bsky.social, @esrf.fr, @crick.ac.uk
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Joseph D. Zak @josephdzak.bsky.social · 30/04/2025
Now in its final form, our recent work on how olfactory transduction currents help ensure sparse sensory coding. Led by a post-bac Kai Clane Belonio and a graduate student, Eyerusalem Haile, this was a group effort by the entire laboratory. www.jneurosci.org/content/45/1...
jneurosci.org
Amplification of Olfactory Transduction Currents Implements Sparse Stimulus Encoding
Sensory systems must perform the dual and opposing tasks of being sensitive to weak stimuli while also maintaining information content in dense and variable sensory landscapes. This occurs in the olfa...
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The Transmitter @thetransmitter.bsky.social · 16/04/2025
Olfactory neuroscientists have known for a while that their stimuli stink. A new analysis illuminates the extent of the problem. By @callimcflurry.bsky.social #neuroskyence www.thetransmitter.org/olfaction/sm...
thetransmitter.org
Smell studies often use unnaturally high odor concentrations, analysis reveals
It’s time to fashion olfactory neuroscience stimuli based on odor concentrations in the wild, say study investigators Elizabeth Hong and Matt Wachowiak.
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Kadjita Asumbisa @kasumbisa.bsky.social · 15/04/2025
Excited to share the sequel to our 2022 paper! In this follow-up, we show that the stable head direction (HD) signals we reported in blind mice rely on stereo olfaction—that is, the comparison of odor info. between the two nostrils. Link: www.nature.com/articles/s41... 🧵highlights below
nature.com
Stereo olfaction underlies stable coding of head direction in blind mice - Nature Communications
Stereo olfaction involves comparing odor differences between the two nostrils. Here, using neuronal recordings and a behavioral test, the authors demonstrate that blind mice use stereo olfaction to fo...
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MODOLFOR @modolfor.bsky.social · 28/03/2025
Tomorrow morning, March 29th at 11:30 am, check out Symposium 31 at #NWG2025 @neurowissg.bsky.social organized by MODOLFOR member Tobias Ackels @tobiasackels.bsky.social
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MODOLFOR @modolfor.bsky.social · 25/03/2025
Our Symposium takes place tomorrow at the Sternwarte in Göttingen. We are looking forward to exciting talks from @nawrot.bsky.social, @xenofrog.bsky.social, Lisa Scheunemann, Andre Fiala and Celine Riera. What a great start of the #NWG meeting @neurowissg.bsky.social
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IMPRS for Brain and Behavior @imprsbb.bsky.social · 24/03/2025
Meet our IMPRS faculty members at the German Neuroscience Society Meeting in Göttingen this week!
Wed 26th March
12:00 - 13:00: Plenary Lecture, Hall 11
Frank Bradke | Bonn
 Mechanisms of axon growth and regeneration

Wed 26th March
Satellite Symposium (Sat2), Historische Sternwarte/Observatorium, Georg-August-University Göttingen
International Symposium Research Unit 5424 (DFG) „Modulation of olfaction“
Chairs: Veronica Egger, Ilona Grunwald Kadow and Silke Sachse | Regensburg, Bonn and Jena

Thursday 27th March
Symposium 14 - Hall 10
Circuits for behavior: cross-species strategies for adaptation and plasticity
Chairs: Graziana Gatto and Jan Gründemann | Köln and Bonn
 
Friday 28th March
Symposium 24 - Hall 9
Evolution of behavior: from genes to circuits
Chairs: James Lightfoot and Monika Scholz | Bonn
 
Saturday 29th March
Symposium 31 - Hall 9
From olfaction to emotions
Chairs: Tobias Ackels and Sabine Krabbe | Bonn
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Bozza Lab @neuroboz.bsky.social · 06/03/2025
Check out our review comparing typical experimental to naturally-occurring odor concentrations. You might be surprised. www.jneurosci.org/content/45/1... Thanks to Matt and Betty for asking me to take part!
jneurosci.org
Recalibrating Olfactory Neuroscience to the Range of Naturally Occurring Odor Concentrations
Sensory systems enable organisms to detect and respond to environmental signals relevant for their survival and reproduction. A crucial aspect of any sensory signal is its intensity; understanding how...
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Tobias Ackels @tobiasackels.bsky.social · 28/01/2025
I am deeply grateful for this award, which not only recognizes my work but also reflects the invaluable contributions of my team, mentors, and supporters! It inspires me to continue working with my lab to deepen our understanding of how we perceive and interpret our environment.
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MODOLFOR @modolfor.bsky.social · 20/11/2024
Join us for the MODOLFOR Satellite Symposium on Modulation of Olfaction at the 16th Göttingen Meeting of the German Neuroscience Society in spring 2025 🐭🐝👃 @neurowissg.bsky.social
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Oliver Barnstedt @obarnstedt.bsky.social · 02/12/2024
Have you ever wondered how memories are processed downstream of the #hippocampus and how this is affected by #Alzheimer's? We believe we may find some answers by riding all the way down the fornix to the mammillary body. Apply here for a fully-funded #PhD with us: ovgu.b-ite.careers/56yvk
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Matt Smear @mattsmear.bsky.social · 22/11/2024
Sniffing helps animals identify smells and connect them to places and events, but noses can’t sense time or place. How do brains connect odors with internal models of the world? Our preprint suggests that the olfactory bulb participates in this connection. www.biorxiv.org/content/10.1...
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Tobias Ackels @tobiasackels.bsky.social · 22/11/2024
Check out our new review in PLoS Biology on how dynamic odour information can help mammals to navigate through their environment. Led by the fantastic Anantu Sunil & Olivia Pedroncini, this also marks my first last author publication from the University of Bonn! journals.plos.org/plosbiology/...
journals.plos.org
How do mammals convert dynamic odor information into neural maps for landscape navigation?
Odors contain complex spatiotemporal information that guide animal behavior, but how this information is processed is not fully understood. This Essay discusses recent advances in mammalian olfactory ...
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