Sign in

Nicolas Gutierrez-Castellanos

@neuronico.bsky.social
247 followers 431 following 19 posts

Ramon y Cajal Investigator @University of Valencia. Junior group leader interested in the neural basis of social behaviors. Previously postdoc @Champalimaud Research socialplasticity.wordpress.com

PostsRepliesMedia
Reposted by Nicolas Gutierrez-Castellanos
Katrin Vogt @katrinvogt.bsky.social · 04/09/2026
Excited to finally see this one out from my postdoc lab 🥳🪰🐛 How and when is olfactory information integrated across brain hemispheres? The larval Drosophila mushroom body balances lateralized sensing and interhemispheric integration | Science Advances www.science.org/doi/10.1126/...
science.org
The larval Drosophila mushroom body balances lateralized sensing and interhemispheric integration
Bilaterian animals must integrate sensory input from both sides of their bodies to make coherent perceptual decisions. In Drosophila larvae, olfactory receptor neurons target the ipsilateral brain hem...
0247
Reposted by Nicolas Gutierrez-Castellanos
Tom Kash @superkash.bsky.social · 08/08/2026
Hi Folks, with @lisataxier.bsky.social moving on to open her own lab at Stony Brook, I am in the market for a new postdoctoral fellow who wants to do slice electrophysiology. We have a number of really exciting projects, translational to basic science, that are ephys focused.
13939
Reposted by Nicolas Gutierrez-Castellanos
Neuropsychopharmacology @npp-journal.bsky.social · 07/08/2026
This study found opposing effects of fentanyl on tonic vs. phasic dopamine that may reveal insight on impaired non-drug reward seeking during opioid exposure
nature.com
Acute fentanyl induces opposing directions of changes in tonic and phasic dopamine release patterns and impairs Pavlovian task performance
Neuropsychopharmacology - Acute fentanyl induces opposing directions of changes in tonic and phasic dopamine release patterns and impairs Pavlovian task performance
0125
Nicolas Gutierrez-Castellanos @neuronico.bsky.social · 04/07/2026
Celebrating one year of the Social Plasticity Lab with a fun bowling night! we celebrated two BSc thesis defenses and thanked our visiting rotation students from the University of Iowa as well! To another year of exciting science! 🎳🧠
040
Reposted by Nicolas Gutierrez-Castellanos
bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 28/05/2026
Distinct afferent signatures onto anterior and posterior VMHvl subdomains and their progesterone receptor-expressing neurons www.biorxiv.org/content/10.64898/20…
021
Reposted by Nicolas Gutierrez-Castellanos
bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 03/06/2026
Spontaneous and stimulus-driven arousal produce distinct acetylcholine dynamics across sensory and prefrontal cortex www.biorxiv.org/content/10.64898/20…
053
Reposted by Nicolas Gutierrez-Castellanos
Nicolas Gutierrez-Castellanos @neuronico.bsky.social · 30/05/2026
latest from the lab!
042
Reposted by Nicolas Gutierrez-Castellanos
bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 20/05/2026
Input-dependent directionality of interactions between cortical areas www.biorxiv.org/content/10.64898/20…
011
Nicolas Gutierrez-Castellanos @neuronico.bsky.social · 30/05/2026
latest from the lab!
042
Reposted by Nicolas Gutierrez-Castellanos
LAURA L-MASCARAQUE @lauralmascaraque.bsky.social · 16/05/2026
Day 3 of the ROE meeting starts with Isabel Fariñas speaking about quiescence and neurogenesis. And also with words remembering José Manuel García Delgado, very present among all of us today. @senc-neurociencia.bsky.social @carmenagustin.bsky.social
041
Reposted by Nicolas Gutierrez-Castellanos
LAURA L-MASCARAQUE @lauralmascaraque.bsky.social · 15/05/2026
Talk by Pablo Ruiz Campillos at the X ROE Meeting, on distinct afferent signatures onto anterior and posterior VMHvl subdomains and their progesterone receptor-expressing neurons. Great science celebrating the XX anniversary of the ROE l. @senc-neurociencia.bsky.social @carmenagustin.bsky.social
022
Nicolas Gutierrez-Castellanos @neuronico.bsky.social · 15/05/2026
Very proud of these guys!
030
Reposted by Nicolas Gutierrez-Castellanos
Dr Nathalie Stroeymeyt @nstroeymeyt.bsky.social · 06/05/2026
🚨 PhD opportunity 🚨 Fully funded PhD at the University of Bristol (UK) on how ant colonies remodel their nests to optimise performance under pressure, combining experimental work, quantitative analysis, and field work. Detail/how to apply: stroeymeyt-lab.co.uk/open-positio... Deadline: 5 June 2026
stroeymeyt-lab.co.uk
Open positions – Ant epidemiology Lab
01713
Reposted by Nicolas Gutierrez-Castellanos
allen institute @alleninstitute.org · 01/05/2026
Happy Birthday to Santiago Ramón y Cajal - the "father of modern neuroscience."
110735
Reposted by Nicolas Gutierrez-Castellanos
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
711442
Reposted by Nicolas Gutierrez-Castellanos
ebbsociety.bsky.social @ebbsociety.bsky.social · 20/04/2026
⏳ Reminder: EBBS Elections are still open! There’s still time to vote for the next President and Ordinary Committee Member — voting closes on May 7. Make sure your voice is heard. 👉 www.ebbs-science.org/elections
ebbs-science.org
EBBS :: Election
Website of the European Brain and Behaviour Society
011
Reposted by Nicolas Gutierrez-Castellanos
Bryan Roth @zenbrainest.bsky.social · 16/04/2026
Risk reshapes amygdala representation of choice: Neuron www.cell.com/neuron/fullt...
cell.com
Risk reshapes amygdala representation of choice
Piantadosi et al. show mice flexibly adjust choices between reward options based on the punishment potential in a BLA-dependent manner. They find that BLA neuronal representation of punishment reactiv...
0147
Reposted by Nicolas Gutierrez-Castellanos
MadScientist @mads100tist.bsky.social · 13/04/2026
Two weeks until the Registration closes for the 1st German Fish Meeting! 🐟🧪 Reminder I will be chairing a session for Postdocs in the Job Market. If that's you, apply and tell everyone why fishes are the best and why they should be shoveling $ at you www.germanfishmeeting.org/from-postoc-...
germanfishmeeting.org
From Postoc to PI Session | German Fish Meeting
1168
Nicolas Gutierrez-Castellanos @neuronico.bsky.social · 12/04/2026
This was great!
010
Reposted by Nicolas Gutierrez-Castellanos
Stanley Heinze @stanley-heinze.bsky.social · 09/04/2026
Are you a computational scientist? Within 7 years of your PhD? Come join us at Lund University! We have two new positions as assistant professor! Deadline: 25th of May. The advert is broad, but this is your chance to push computational neuroscience in a fantastic place! lu.varbi.com/en/what:job/...
lu.varbi.com
Two positions as Associate Senior Lecturer/Assistant Professor in Computational Science
We are looking for an up-and-coming researcher who wants to conduct pioneering research to take up a position as Assistant Professor in Computational Science. Computational science research is conduct
02025
Reposted by Nicolas Gutierrez-Castellanos
Nicolas Gutierrez-Castellanos @neuronico.bsky.social · 08/02/2026
Are you interested in the neuroscience of social and sexual behavior in health and disease? 🧠 We’re offering a fully funded PhD position at the University of Valencia 🇪🇸 (open to non-EU citizens). 📩 Apply now!
055
Reposted by Nicolas Gutierrez-Castellanos
Dr. Cate Peña @cate-cholamine.bsky.social · 18/02/2026
I am so proud to share @forrestdrogers.bsky.social’s postdoctoral magnum opus, now out in @nature.com! Forrest discovered a novel role for Agouti in the MPOA of the hypothalamus to integrate socio-environmental information to flexibly tune paternal behavior www.nature.com/articles/s41... Thread! 👇🏻
nature.com
Agouti integrates environmental cues to regulate paternal behaviour - Nature
Expression of agouti signalling protein in neurons in the medial preoptic area is increased by group housing and negatively associated with care, and overexpression of Agouti reduces care and enhances...
1814439
Nicolas Gutierrez-Castellanos @neuronico.bsky.social · 20/02/2026
Goodbye my friend
030
Reposted by Nicolas Gutierrez-Castellanos
SENC @senc-neurociencia.bsky.social · 09/02/2026
#NeuroJobs Oferta de contrato #Predoctoral 👇👇👇
032
Reposted by Nicolas Gutierrez-Castellanos
Nature Portfolio @natureportfolio.nature.com · 08/02/2026
A feature in Nature examines the research about aphantasia, which is the experience of people with no mental imagery, and how it could offer a window into consciousness. #Neuroskyence 🧪
go.nature.com
Many people have no mental imagery. What’s going on in their brains?
People with aphantasia are offering a window into consciousness.
35822
Reposted by Nicolas Gutierrez-Castellanos
Sanja Mikulovic @smikulovic.bsky.social · 02/02/2026
Thrilled to share that our first study on the hippocampus’ role in helping behavior in mice is now published in @cp-cellreports.bsky.social! This work was driven by an amazing team in my lab, and marks an important milestone for more exciting studies to come! www.cell.com/cell-reports...
cell.com
Neuronal networks in the dorsal hippocampus causally regulate rescue behavior in mice
dos Santos Correa et al. show that exposure to a stressful context promotes the acquisition of rescue behavior in mice and that the dorsal hippocampus is required for this learning. Calcium imaging re...
12710
Nicolas Gutierrez-Castellanos @neuronico.bsky.social · 08/02/2026
Are you interested in the neuroscience of social and sexual behavior in health and disease? 🧠 We’re offering a fully funded PhD position at the University of Valencia 🇪🇸 (open to non-EU citizens). 📩 Apply now!
055
Reposted by Nicolas Gutierrez-Castellanos
Yoav Livneh @yoavlivneh.bsky.social · 12/12/2025
lab preprint! Interopceptive predictions are central to many brain-body interactions theories, but it's unclear if/how they affect bodily physiology. We (fearless Einav Litvak et al) show that insular cortex predictions are essential for glucose homeostasis-THREAD.. www.biorxiv.org/content/10.6...
biorxiv.org
Insular cortex predictions regulate glucose homeostasis
Brain-body interactions are essential for physical and emotional homeostasis. The brain uses information from the external world to predict upcoming bodily changes. This process involves interoceptive...
37830
Reposted by Nicolas Gutierrez-Castellanos
Catherine Dulac @dulaclab.bsky.social · 13/12/2025
New paper alert!!...🤩 Led by @blogeman.bsky.social, we identify how cell type-specific hormonal responses in the hypothalamus tunes parenting behavior in males and females 🐭🧠🍼. Highlights in thread 👇 1/6 www.biorxiv.org/content/10.6...
biorxiv.org
Cell Type-Specific Hormonal Signaling Configures Hypothalamic Circuits for Parenting
Parenting behavior emerges from hormonally sensitive circuits, but how distinct circuit components are affected by, and contribute to, sex and state dependent changes in infant caregiving remains uncl...
17332
Reposted by Nicolas Gutierrez-Castellanos
Mario Carta @mariocarta.bsky.social · 08/12/2025
New review out! 🔥🧊 We break down how rodents, primates & insects encode temperature in Nature Reviews Neuroscience. Paper: www.nature.com/articles/s41... View-only: rdcu.be/eThU1
nature.com
The neuronal circuits and cellular encoding of thermosensation - Nature Reviews Neuroscience
The thermosensory system across insects and mammals has shared principles of neuronal wiring and encoding. In this Review, Carta, Vestergaard and Poulet discuss how the nervous systems of insects and ...
15817
Reposted by Nicolas Gutierrez-Castellanos
Alex Kwan @alexkwan.bsky.social · 05/12/2025
We used rabies virus 👾 to map how #psilocybin modifies long-range circuits 🧠, revealing network-specific reorganization that we didn’t expect. The full study is now online at Cell. @cp-cell.bsky.social Paper 👉 www.cell.com/cell/fulltex... Thread for a synopsis 👉 bsky.app/profile/alex...
cell.com
Psilocybin triggers an activity-dependent rewiring of large-scale cortical networks
Psilocybin reshapes brain networks through activity-dependent plasticity, including a weakening of recurrent cortical loops that could underlie its therapeutic effects.
811438
Reposted by Nicolas Gutierrez-Castellanos
Juan Gallego @juangallego.bsky.social · 04/11/2025
🚨Job alert🚨 The lab has up to *3 postdoc openings* for comp systems neuroscientists interested in describing and manipulating neural population dynamics mediating behaviour This is part of a collaborative ARIA grant "4D precision control of cortical dynamics" euraxess.ec.europa.eu/jobs/383909
euraxess.ec.europa.eu
3 Postdoctoral Research Fellows
Champalimaud Foundation (Fundação D. Anna de Sommer Champalimaud e Dr.
27951
Reposted by Nicolas Gutierrez-Castellanos
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...
26921
Reposted by Nicolas Gutierrez-Castellanos
Catherine Dulac @dulaclab.bsky.social · 11/08/2025
Very excited to announce our latest paper uncovering circuit, cellular and molecular mechanisms underlying the formation and maintenance of social hierarchy, another terrific collaboration with @neurovenki.bsky.social, Vic Kapoor and Adam Nelson (not on bsky) www.sciencedirect.com/science/arti...
sciencedirect.com
Molecular and neural control of social hierarchy by a forebrain-thalamocortical circuit
Many animal groups are organized hierarchically, which generates behavioral states that facilitate social interactions. Although generally stable, soc…
18019
Reposted by Nicolas Gutierrez-Castellanos
Ivan Alcantara @ivancalcantara.bsky.social · 30/07/2025
How do animals decide if they should forage for food or stay home to take care of newborn offspring? Whose needs come first? For my PhD work now out in Nature, we examined how hunger and parenting neurons interact and are reshaped postpartum in mice 🧵⬇️ www.nature.com/articles/s41...
nature.com
A hypothalamic circuit that modulates feeding and parenting behaviours - Nature
Single-cell transcriptomic analysis of mouse hypothalamus and behavioural experiments show that specific hypothalamic networks regulate conflicting feeding versus parenting behaviours of female mice.
1519052
Nicolas Gutierrez-Castellanos @neuronico.bsky.social · 29/07/2025
Thrilled to announce that my proposal to further investigate the neural basis of sexual rejection has been funded by the Spanish Ministry for Science and Innovation through the Projects for Knowledge Generation call! Exciting times ahead! @ageinves.bsky.social
080
Reposted by Nicolas Gutierrez-Castellanos
Oliver Bosch @olibosch.bsky.social · 28/06/2025
Excellent EBBS 2025 plenary by Inbal Goshen @inbalgoshen.bsky.social “Astrocytes are beautiful and smart, too” - convinced ✅ @ebbsociety.bsky.social
081
Nicolas Gutierrez-Castellanos @neuronico.bsky.social · 24/06/2025
Excited to share our latest review on the neural mechanisms regulating female sexual behavior—co-authored with the brilliant PhD student Ines Dias, Constanze Lenschow and Susana Lima. Check it out!
040
Nicolas Gutierrez-Castellanos @neuronico.bsky.social · 24/06/2025
I'm thrilled to be part of this incredible symposium. Looking forward to seeing everyone in Bordeaux soon!
010
Reposted by Nicolas Gutierrez-Castellanos
Nature Metabolism @natmetabolism.nature.com · 04/06/2025
bit.ly
State-dependent central synaptic regulation by GLP-1 is essential for energy homeostasis
Nature Metabolism, Published online: 04 June 2025; doi:10.1038/s42255-025-01305-xIn this paper, the authors describe the energy state-dependent regulation of the PVNGLP-1R to DVC circuit, resulting in altered food intake and metabolic health, mediated by GLP-1 receptor signalling.
082
Reposted by Nicolas Gutierrez-Castellanos
⚡️GREG_CORDER⚡️ @flybottleescape.bsky.social · 26/05/2025
🧠 🍄 ⚡️🐭 Now published in @natneuro.nature.com Psilocybin enhances fear extinction by reshaping retrosplenial cortex ensembles—suppressing fear neurons, recruiting extinction neurons + boosting plasticity to enable behavioral flexibility nature.com/articles/s4159…
79825
Nicolas Gutierrez-Castellanos @neuronico.bsky.social · 26/05/2025
After an incredible postdoc journey at Champalimaud Research, full of great science and inspiring mentors and colleagues, this week it is officially time to say goodbye to this amazing place
250
Reposted by Nicolas Gutierrez-Castellanos
Derya Sargin @deryasargin.bsky.social · 09/05/2025
As the Canadian Association for Neuroscience meeting approaches, we are still offering subsidies for Childcare, Dependent, or Disability Care. Please apply or share with others who may benefit: can-acn.org/meeting-2025...
can-acn.org
Canadian Association for Neuroscience Conference Childcare, Dependent, or Disability Care Subsidy – Canadian Association for Neuroscience
087
Reposted by Nicolas Gutierrez-Castellanos
bioRxiv Neuroscience @biorxiv-neursci.bsky.social · 29/04/2025
Stochastic activity in low-rank recurrent neural networks www.biorxiv.org/content/10.1101/202…
031
Reposted by Nicolas Gutierrez-Castellanos
Markus Fendt @mfendt.bsky.social · 22/04/2025
Annual Meeting of the International Behavioral Neuroscience Society (IBNS), June 24-29, in Tromso, Norway. @ibnsconnect.bsky.social
021
Reposted by Nicolas Gutierrez-Castellanos
Mark D Humphries @markdhumphries.bsky.social · 17/04/2025
Registration open for UK Neural Computation 2025 @Imperial neuralcomputation.uk/registration... ECR day: 9 July, ~30 free places Main meeting: 10-11 July Pls share! Sponsors @aria-research.bsky.social @crick.ac.uk Organisers: @danakarca.bsky.social @neuralreckoning.bsky.social & me
neuralcomputation.uk
Registration |
098
Reposted by Nicolas Gutierrez-Castellanos
Adrien Peyrache @apeyrache.bsky.social · 14/04/2025
🚨new paper alert Blind mice use stereo olfaction, comparing smells between nostrils, to maintain a stable sense of direction. Blocking this ability disrupts their internal compass. Kudos to @kasumbisa.bsky.social! Another cool chapter of the Trenholm-Peyrache collab😉 www.nature.com/articles/s41...
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...
311734
Reposted by Nicolas Gutierrez-Castellanos
Kepecs Lab @ WashU @kepecslab.bsky.social · 11/04/2025
1/ Why do patients with late-stage cancer lose motivation & sink into apathy? 🔥 Our new Science paper shows chronic inflammation activates a cytokine-sensing brain circuit that lowers motivation. Huge team effort: Aelita Zhu, Sarah Starosta, Pignatelli & Janowitz labs! 🧵 🔗 doi.org/10.1126/scie...
doi.org
A neuroimmune circuit mediates cancer cachexia-associated apathy
Cachexia, a severe wasting syndrome associated with inflammatory conditions, often leads to multiorgan failure and death. Patients with cachexia experience extreme fatigue, apathy, and clinical depres...
410045
Reposted by Nicolas Gutierrez-Castellanos
Brendan Evano @brendan-evano.bsky.social · 07/04/2025
🚨 JOB OFFER in our lab at Institut Pasteur 🚨 We are looking for a postdoc! Please repost 🙏
Postdoctoral research position in Institut Pasteur
22725