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matttkk.bsky.social
Neuroscientist obsessed with brain structure and comparative neuroanatomy. They’re not circuits. It’s not wiring. Cortex is a resonant mesh. https://www.researchgate.net/profile/Matt-Kirkcaldie [ image by https://mattcoyle.net ]
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This time-lapse captures 17 hours of axonal growth from a chicken dorsal root ganglion explant, visualized through the actin cytoskeleton using live confocal imaging. I just submitted this video to the Nikon Small World in Motion competition. Today is the last day to upload yours! 😉 🧪

submitted 37 days ago • 70 comments

Our new paper is out. We point out that large brained (and often smart) mammals and birds have evolved very different distribution of neurons numbers in the brain. This means that similar cognitive abilities have evolved in very different brains. www.sciencedirect.com/science/arti...

submitted 49 days ago • 16 comments

My favourite aspect of this study is the 4km of axons (in a SINGLE CUBIC MILLIMETRE) which *precisely* agrees with the estimate in my favourite book about cortical structure by Almut Schüz and Valentino Braitenberg. link.springer.com/book/10.1007...

submitted 57 days ago • 0 comments

Many 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...

submitted 66 days ago • 0 comments

Two more weeks before the deadline to recruit a 3-year Postdoctoral position in Systems Neuroscience - Bioinformatics applied to Brain Evo-Devo. Please RT and/or apply at: uq.wd3.myworkdayjobs.com/uqcareers/jo...

submitted 66 days ago • 0 comments

A clean version of 'Unwelcome guest' free of copyright and in the best resolution Bluesky allows... This image will come up in a study that follows the one mentioned in the second image #NeuroCovid #LongCovidAwarenessDay2025

submitted 82 days ago • 6 comments

I'm dismayed to say, that @dereklowe.bsky.social (whose opinion I always seek when controversial therapeutics are in contention) is also painfully on-the-money when it comes to the US President's war on science: www.science.org/content/blog...

submitted 92 days ago • 0 comments

Are you serious @royalsociety.org?? He is trying to destroy science, spreading dangerous misinformation, inciting violence & your response is to do nothing? So what’s your purpose then? What do you exist for? Other than being elite? 🧪 #academicsky www.theguardian.com/technology/2...

submitted 94 days ago • 16 comments

Interested in complex systems, brain evo-devo, and/or computational approaches to big questions in neuroscience? Check out new opportunities in our lab! 🧠🧬💻🦘🔬🏝️🏄‍♀️😍 Further details and deadlines will be announced soon! #PhD #Postdoc #NeuroJobs

submitted 98 days ago • 2 comments

youtu.be/Yorkdiw92PU

submitted 101 days ago • 0 comments

4 años del aterrizaje del rover #Perseverance en #Marte. NASA/JPL/j. Roger @nasapersevere.extwitter.link

submitted 107 days ago • 0 comments

OK - here's a human cortex diagram I made for a lecture, intended to show that primary regions (M1, S1, A1, V1) are surrounded by fields of increasing abstraction related to them, and that across the postcentral cortex these influences mix. I'm interested to hear whether you think it's useful.

submitted 128 days ago • 0 comments