Horst Obenhaus
PostDoc at the Kavli Institute for Systems Neuroscience at NTNU Trondheim. Whitman Scientist at the Marine Biological Laboratory (MBL) in Woods Hole, MA. I am studying sleep in octopuses and cuttlefish. 🐙
- Reposted by Horst Obenhaus1/ Our paper appeared in @Nature today! www.nature.com/articles/s41... w/ Fiete Lab and @khonamikail.bsky.social . Explains emergence of multiple grid cell modules, w/ excellent match to data! Novel mechanism for applying across vast systems from development to ecosystems. 🧵👇
- Reposted by Horst ObenhausHad a blast at #ASABSpring2025, presenting movement and meeting many enthusiastic early career researchers. If you're into tracking animal movements in videos, do apply for the "Animals in Motion" workshop I'm organising in London this August: neuroinformatics.dev/open-softwar...
- Reposted by Horst ObenhausAs I transition over to Bluesky I have to plug our new #book. If you haven't already, check out the 2nd edition of The #Hippocampus Book! academic.oup.com/book/59509?s...
- Reposted by Horst ObenhausToday, I signed my first contract as a principal investigator @uni-wuerzburg.de. My Emmy-Noether group can now officially start on 1st of May. If someone is interested working with me on the spatial memory of 🐝 as a PhD student or postdoc, contact me. More details: www.spatial-navigation.com
- Life is weird. If you wouldn't know better you would suspect AI was hallucinating here.
- A #Siphonophore, which are often mistaken for #jellyfish, are quite common in the midwater environment. This species has a bubble of CO connected to its “top” to self-right. PSA - it’s on the “do not lick” list. #nematocysts #blackwater #scuba #scubadiving #gug #gugunderwater
- Reposted by Horst Obenhausnapari 0.6.0rc0 is out! Barring any crazy bugs 🐛, 🙏 napari 0.6.0 should be out in a week, Apr 30.
- Reposted by Horst ObenhausDoes your research involve comparing experimental conditions? Then our latest publication is for you: We developed generalized contrastive PCA (gcPCA), a tool for comparing high-dimensional datasets. 🧠📊 doi.org/10.1371/journal.pcbi.1012747 This tool was born out of necessity, here is the story. 🧵 1/
- Great opportunity!
- We're excited to announce the Neuroinformatics Unit Open Source Week, August 11-15 2025 in London, UK. Bringing together researchers and developers of open-source software for training, community-building and hacking. No cost and travel stipends available. neuroinformatics.dev/open-softwar... 1/
- Reposted by Horst ObenhausExcited 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
- Really cool video. @ecomorph.bsky.social guides us through all eyes in the animal kingdom! Cephalopod (especially squid/cuttlefish) eyes are the most beautiful of course. www.youtube.com/watch?v=2vjm...
- Yes! "consider whether any behavioral changes observed in these tests reflect altered memory OR novelty preference and to discuss all possibilities" - Behavior is hard!
- Interesting commentary in @cp-trendsneuro.bsky.social, arguing that we need to be careful not to always assume that rodents prefer novelty: www.cell.com/trends/neuro... 🧠📈 🧪
- Reposted by Horst ObenhausHi, I write about science for STAT. We've been closely tracking the Trump Administration's cuts. And right now, we're speaking to folks whose graduate school/postdoc offers have been rescinded, to get a sense of the toll. If anyone has interest, I'm reachable by DM or by Signal at JasonMast.05
- Reposted by Horst Obenhaus🌿Apply now! 🌿🌴🦜 We’re thrilled to announce that applications for Animove are NOW OPEN 🥳 Learning new methods in animal movement analysis and connecting with nature in one of the most biodiverse places on Earth. We can't wait to see your application come through. See you in Costa Rica! 🇨🇷 #LaSelva
- Check out Amy’s cool work on the octopus visual system! Amy + team describe novel receptors and map their distribution and function in the optical lobe. Turns out: Octos run different hardware to process visual input, but might have evolved similar circuit motives / logic to those in vertebrates!
- Very excited and proud to finally share this story! 🐙 We discovered surprising roles for dopamine and acetylcholine in the Octopus visual system… doi.org/10.1101/2025...
- Reposted by Horst ObenhausMany of us use 2p scopes to image 3D volumes of brain. But then we analyze the data plane by plane, resulting in duplicated neurons, missed neurons, and low s/n. Let's go 3D! Suite3D: Volumetric cell detection for two-photon microscopy by @haydari.bsky.social & team. www.biorxiv.org/content/10.1...
- Reposted by Horst ObenhausHad a great time presenting at the NTNU-wide symposium "NeuroSYS" last week. A 5-minute datablitz is short, but I hope I made a few people curious about bioluminescent worms! ✨️ @marineneurolab.bsky.social @kavlintnu.bsky.social #neuroscience #bioluminescence #research
- Reposted by Horst ObenhausKilosort4 detects a LOT of neurons, I recorded 15k neurons in one year 🤯 Traditionally, one would curate these detected units to see if they are well isolated single neurons. This is not feasible anymore, so today let's look at three options that are out there to automate this process! 🤖👇
- Reposted by Horst Obenhaushey, what are ppl hearing about NIH/NSF grants with international collaborators? A colleague has their NIH grant withheld bc it had intl collabs. are other ppl hearing this? any place to find info on this? thanks!
- Reposted by Horst ObenhausFinally, a stochastic parrot I care about Mike Long's group shows a topological mapping in budgie brain area that projects to vocal motorneurons, similar to what we see in analogous area of human speech motor cortex, unlike what we see in the same area in zebra finches #prattle 💬 #bioacoustics
- Convergent vocal representations in parrot and human forebrain motor networks (commonalities with speech-related motor cortices in humans found in budgerigar, but not in zebra finch, a songbird capable of more limited vocal learning) 🧪🧠🦜 www.nature.com/articles/s41...
- Reposted by Horst ObenhausThere may be a non-model organism “renaissance”, but these fields also need experimental tools. Our new blog describes our work building brain atlases for novel species. Get in touch if you're interested in making an atlas for the species you study! brainglobe.info/blog/unchart...
- Meet 10 neuroscientists bringing model diversity back with the funky animals they study. By @callimcflurry.bsky.social, @avaskham.bsky.social, @claudia-lopez.bsky.social, @shaena.bsky.social #neuroskyence www.thetransmitter.org/animal-model...
- Reposted by Horst ObenhausEMBO workshop-Neuroscience of Sleep 2025! @sleepneuroscience.bsky.social #EMBOneuroSleep
- Reposted by Horst ObenhausIncredibly excited to be at and present our work at #EMBOneuroSleep in beautiful Delhi #equityinscience
- Sleep isn’t just rest —it’s a reset, says Anna Suppermpool. In zebra fish, synapse loss depends on sleep pressure, peaking after prolonged wakefulness. Using single neuronal imaging to show that not all type of sleep can regulate synaptic homeostasis. #EMBOneuroSleep
- Amazing time indeed. Thank you so much, everybody, and @melnattur.bsky.social particularly! 🐙
- Had a really amazing time @sleepneuroscience.bsky.social at Neuroscience of sleep conference in Delhi. Thought provoking science and fabulous company. Thankyou @melnattur.bsky.social and other organisers.
- Reposted by Horst Obenhaus[This post could not be retrieved]
- Please give Kayla a job! She is great! Also, she loves cephalopods - so I am not biased at all here (: @mblscience.bsky.social
- Reposted by Horst ObenhausSO MANY STAND UP FOR SCIENCE EVENTS TO CHOOSE FROM—153 and COUNTING! To get more information on our local events and to register your own, head to www.standupforscience2025.org/local-event-information/ ☀️⬇️🌎
- All the social interactions!
- 😱 They "‘toad-napped’ 62 cane toads" and they found their way home! Seriously, this is a cool behavioral study, and it provides intriguing evidence of the conserved role of pallial brain regions in spatial navigation.
- Have a look at this coverage of the new paper led by Daniel Shaykevich, featuring Andrius Pasukonis, both currently at @klivvvienna.bsky.social 😊 Link to paper in the comments 🐸 www.nature.com/articles/d41...
- Reposted by Horst ObenhausNew preprint from our lab on memory incorporation into dreams! 🧠 💭 💤 Palmieri et al. Incorporation of complex narratives into dreaming doi.org/10.1101/2025...
- Reposted by Horst ObenhausHere's a cool new study from @dulaclab.bsky.social to cleanse your timeline: They show that a mouse's brain maintains an animal's need for social interaction in the same way that it tracks hunger, thirst and sleep! 🧪 #neuroskyence
- Two dueling sets of hypothalamic neurons—one that responds to isolation and one to reunion—help maintain a mouse's social homeostasis, a new study reveals. By @avaskham.bsky.social #neuroskyence www.thetransmitter.org/social-behav...
- Reposted by Horst ObenhausAmazing work studying the collective behaviour of locusts to change thinking on how it is produced: www.science.org/doi/10.1126/...
- Reposted by Horst Obenhaus🚨Fully-funded PhD studentship on insect behaviour, cognition & muscles with me & @viveknityananda.bsky.social at @newcastleuni.bsky.social 🐝🍀🎓🙌Application deadline April 30, start date in September. Drop me an email if you have questions! www.ncl.ac.uk/postgraduate...
- Reposted by Horst ObenhausMany trainees often feel frustrated by the lack of computational knowledge to analyze their data, & until now, there wasn’t many options to quickly & effectively pick up what's strictly necessary. This book seems like the perfect intro. Thanks @mameister4.bsky.social & @portugueslab.bsky.social!
- Here it is finally: Our mathematical methods book for life scientists! Aimed at advanced undergrads and beginning grad students, plus all those who want a deeper look at the math behind quantitative biology. @portugueslab.bsky.social. 1/3
- Reposted by Horst Obenhaus🚀 We’re hiring a PhD Candidate! Join CBS (www.ntnu.edu/inb/cbs) to work with a multidisciplinary team using #7TMRI, #sEEG, and #MachineLearning in patients with #epilepsy. 📍 Trondheim, Norway. 📆 Deadline: March 18, 2025. 🔗 More info / Apply here: www.jobbnorge.no/en/available... 👉 Spread the word!
- This 💪🏼
- What if we would organise a solidarity action at our universities all across the world? Who would be in? I am tossing this idea on the next council meeting for international affairs at KU Leuven, Belgium. Please spread #standupforscience
- Reposted by Horst ObenhausWe’re seeking a postdoc/student excited about animal communication, brain-wide circuits, microscopy, singing fish (Danionella), wacky ideas and who likes to: get things done, experiment, analyze, ask, learn, help and cooperate. jlab.berlin
- Reposted by Horst ObenhausEvery scientist, long before they were a scientist, was a little kid who stood in front of a fish tank or stared up at the stars or turned over a rock to look at the bugs underneath and said “wow”. On the best days, working in science still feels like that.
- Reposted by Horst ObenhausScary, indeed 😱 Hostility seems to be the guiding principle in this new era - how can we change it? The whole world seems to be threatened by it …
- "the extremely strong desire is to just punish universities [..] It’s not based on any kind of coherent policy agenda. It’s just a desire to inflict pain." This, is critical to understand. Pointing out "it's hurting us" won't do, since it's the whole point. www.nytimes.com/2025/02/14/o...
- Reposted by Horst ObenhausWelcome to the Bluesky account for Stand Up for Science 2025! Keep an eye on this space for updates, event information, and ways to get involved. We can't wait to see everyone #standupforscience2025 on March 7th, both in DC and locations nationwide! #scienceforall #sciencenotsilence
- Clean explanation of what's going on atm. - it's devastating!
- Reposted by Horst ObenhausHardly new info, but BSky should know: Warsaw's water quality is monitored by eight clams with magnets attached to their shells. If contamination in the water causes the clams to close, the magnets trigger an alarm and shut off the city's water supply. Thank you, little guardian molluscs. 🧪🌏🚰
- Reposted by Horst ObenhausNeuropixels and Optogenetics are delighted to announce the birth of Neuropixels Opto Combining high-resolution electrophysiology and optogenetics Today in bioRxiv 960 sites, 28 emitters, 2 colors By Lakunina, @karolinazsocha.bsky.social, Ladd, et al www.biorxiv.org/content/10.1... (1/2)
- Reposted by Horst ObenhausInteresting study on the role of hippocampal VIP neurons in remapping, place field stabilization, & emergence of new place cells (BTSP). One possible mechanism is through OLM cell inhibition by VIP. Then, does direct manipulation of OLM cells lead to the same effect? www.biorxiv.org/content/10.1...
- Reposted by Horst ObenhausLet's do something fun! I have access to ChatGPT Deep Research. It will give you 10-30 page reports about esoteric topics by aggregating information from a few dozen sources, with citations. What do you want to ask it?
- Reposted by Horst ObenhausPls share: Konstanz School of Collective behavior from 21st July - 8th August. Application deadline: April, 15. An amazing line up of speakers spanning all aspects of collective behavior . For info: www.exc.uni-konstanz.de/kscb/ @cbehav.bsky.social @mpi-animalbehav.bsky.social
- Reposted by Horst ObenhausHappy to see this awesome work published! Congrats 🥳
- How does the brain work in natural scenarios, in multi-animal societies of wild animals? 🧠 🧪 🦇 doi.org/10.1126/scie... (1/n)
- BrainGlobe is great! Check out their new atlas!
- BrainGlobe has a new atlas, the first non-human primate, the gray mouse lemur (Microcebus murinus). For more details about this (and the rest of BrainGlobe), please see the blog: brainglobe.info/blog/mouse-l...
- Reposted by Horst ObenhausGrid cells have a geometry in time. Thanks to @azvollan.bsky.social l & @rjgardner.bsky.social for this heroic discovery. @ercresearch.bsky.social #KiloNeurons @m-bmoser.bsky.social @kavlintnu.bsky.social @nature.com @kavlifoundation.bsky.social www.nature.com/articles/s41...
- Reposted by Horst ObenhausI really hope that #Universities, #Departments and #Professors are going to protect their #postdocs and #graduatestudents through this whole illegal #NIH #NSF shakedown. Missing a paycheck when you're a poorly paid academic is the difference between living in your apartment and living in your car.
- Reposted by Horst ObenhausThere are also open postdoc positions on the interface of data and marine sciences at our section. The EU funded DSTrain www.uio.no/dscience/eng...
- This looks fun!
- Our Barcelona-based summer school, BAMB! (bambschool.org) just opened applications! Come join us: 15-24th July, to learn how to model behavioral data using RL, Bayesian, latent variable models, RNNs, DDMs & more! #BAMB2025
- Reposted by Horst ObenhausRescinded.
- Reposted by Horst ObenhausIf you're a scientist that serves on an NSF panel that got cancelled today, I'd love to talk to you about it for an NPR story. DM, email or reach out on signal.
- Reposted by Horst ObenhausPlease welcome our official #mesoSPIM channel on this platform, @mesospim.bsky.social. Repost is appreciated!
- Reposted by Horst ObenhausI completely agree. So proud of my former lab members who have chosen to work in drug therapies, publishing, industry and pharma! Broad choices is a huge appeal of doing a PhD!
- Reposted by Horst ObenhausOne thing we did last year was to build our lab and in this video made by @nadiave.bsky.social you can see how it all came together! Our worms naturally live in the deep ocean where sunlight never reaches, so we built a tent where we can house them and do behavioural experiments in total darkness 🌚
- Reposted by Horst ObenhausI signed because I believe in science. Science is based on curiosity and therefore science is sustainable and prepares us for the unknown. Join us if you agree! 🫵 www.febs.org/milan-declar... @edvardmoser.bsky.social @kavlintnu.bsky.social @kavlifoundation.bsky.social @ercresearch.bsky.social
- Reposted by Horst ObenhausIf you believe investment in science is needed to solve global challenges, join us in this call to action: www.febs.org/milan-declar... @m-bmoser.bsky.social @kavlintnu.bsky.social @kavlifoundation.bsky.social @ercresearch.bsky.social
- Reposted by Horst Obenhaus🦐🐙🦀 We will have our next #bioacoustics seminar on Friday Jan 24 at 9 am Pacific—all about underwater invertebrate sounds with Dr. Ashlee Lillis! Register here: uvic.zoom.us/meeting/regi...
- Reposted by Horst ObenhausWhat is the biologic basis for itch? www.cell.com/current-biol... For more on the PIEZO ion channels erictopol.substack.com/p/ardem-pata... w/ @ardemp.bskyverified.social
- Oh yes, navigation in jumping spiders! 🕷️ I might do another Master/PhD, this is super exciting.
- We have a fully funded International 4-year position (combined Master of Research+PhD) to study visual navigation in jumping spiders. Project will be supervised by @pipilika.bsky.social, @mherberstein.bsky.social, @dinrao.bsky.social & Ximena Nelson. At Macquarie University, Sydney. Details below
- Reposted by Horst ObenhausI am thrilled to announce that Rich Kramer and I are co-directing a BRAND NEW hands-on visual neuroscience course at the MBL. August 1-16, 2025. Details in this flyer. Trainees please apply. And everyone, please spread the word!
- Reposted by Horst ObenhausThis is a very deep idea leading to some beautiful conclusions.
- New modelling of how episodic memory can arise from spatial mapping, just out in Nature: www.nature.com/articles/s41...
- Top opportunity - the hottest technology! 🧠
- Attention! Zong lab is recruiting!! Two Ph.D and postdoc positions in neuroscience 🧠 are available!! Apply if you are strongly interested in applying cutting-edge @TheMini2P 🔬 for frontier systems neuroscience studies!!!! www.jobbnorge.no/en/available...
- Reposted by Horst Obenhaus📣🚨Extension of deadlines: Behaviour 2025! 📣🚨 Last date for abstract submissions for #Behaviour2025 has been extended to 31st of January 2025🕰️. Early bird registration ends on 28th of February 2025. Don't miss your chance to share your expertise on a global platform. Hurry and submit your abstracts!
