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Robert leech

@leechbrain.bsky.social
1.8K followers 381 following 90 posts

Neuroscience/psychology/brain animations Some videos on Natural Philosophy: www.youtube.com/@naturalphilosopher…

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Robert leech @leechbrain.bsky.social · 24/06/2026
Updated some code from last summer: spatially predicting/interpolating a brain map. Take approx 30 randomly selected vertices from the 1st functional gradient and use them to predict the rest of the hemisphere. Takes about 30s and doesn't require any other training data. github.com/NeuroLeech/S...
Left, the original data; middle, the training data (0.1% of vertices, about 32); right, the prediction map across the whole brain.
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Robert leech @leechbrain.bsky.social · 26/12/2025
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Robert leech @leechbrain.bsky.social · 21/03/2025
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Robert leech @leechbrain.bsky.social · 01/01/2025
Keir Starmer at Kentish Town station in 2017. When becoming an underwhelming, disappointment of a Prime Minister was just a dream.
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Robert leech @leechbrain.bsky.social · 06/12/2024
Reposting from Twitter #6: This one is inspired by panic attacks.
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Robert leech @leechbrain.bsky.social · 05/12/2024
Reposting from Twitter #5
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Robert leech @leechbrain.bsky.social · 29/11/2024
Reposting video from Twitter: #4
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Robert leech @leechbrain.bsky.social · 29/11/2024
Neuromorphic computing illustration: memristors in a crossbar array performing digit classification. #blender #geometrynodes
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Robert leech @leechbrain.bsky.social · 23/11/2024
Reposting videos from Twitter: #3 an analogy between the cortex and a boat. The default mode network is analogous to the keel, hiding under the waterline and serving as a counterweight to the forces acting on the sail.
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Robert leech @leechbrain.bsky.social · 23/11/2024
Reposting videos from Twitter: #2 fluid dynamic simulation on the cortical surface (cortical activity as more like fluid/weather pattern)
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Robert leech @leechbrain.bsky.social · 23/11/2024
Reposting videos from Twitter: #1 Fourier transform drawing a brain
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Robert leech @leechbrain.bsky.social · 20/11/2024
Posted without comment h/t @spinicist.bsky.social
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Robert leech @leechbrain.bsky.social · 18/11/2024
Thinking about physical space, the cortical surface and brain function. In cartography, different flat projections of the globe are used for different functional purposes (e.g., navigation, measurement, radar) each projection transforms space in different ways to achieve that purpose.
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Robert leech @leechbrain.bsky.social · 17/11/2024
Updated for data until the end of October 2024. Land and Sea temperature anomaly. (Data from berkeleyearth.org/data/).
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Robert leech @leechbrain.bsky.social · 15/11/2024
"Importantly we looked at how many people you would need to show the relations in the best tasks for capturing a specific trait. Our estimates suggest hundreds (not thousands) of people would be needed to show the brain-trait relationship seen in the whole sample."
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Robert leech @leechbrain.bsky.social · 15/11/2024
"These relations were clear for #gradients 3 (task positive-task negative) and 2 (vision-motor). Tasks with a strong response for one trait were different to those for other traits. This suggests there is likely no -one-size-fits-all situation for all brain-trait associations"
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Robert leech @leechbrain.bsky.social · 15/11/2024
"We examined if location of any of the tasks in the state-space varied with traits using Linear Mixed Models in R. We found little evidence that traits uniformly impact on brain activity in all tasks. Instead brain-trait association were often stronger in some tasks than others 👇"
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Robert leech @leechbrain.bsky.social · 15/11/2024
To this end we took the task data from the Human Connectome Project and examined how brain activity in each situation vary with the Big-5 Personality traits. We built a 3d state-space using the first three #gradients from the work by Daniel Margulies and projected task data into it 👇
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Robert leech @leechbrain.bsky.social · 25/09/2024
Brain video 33: #brain #blender #geometrynodes Lorenz Attractor
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Robert leech @leechbrain.bsky.social · 24/09/2024
Brain video32: #notbrain #blender "It's called the academic dream because you have to be asleep to believe in it"
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Robert leech @leechbrain.bsky.social · 24/09/2024
Brain video 31: #brain #blender #notprocedural Boom
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Robert leech @leechbrain.bsky.social · 24/09/2024
Brain video 30: #brain #blender Cortical circuit model of pyramidal neuron and three types of interneurons
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Robert leech @leechbrain.bsky.social · 24/09/2024
Brain video 29b: #brain #blender Turtles all the way down
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Robert leech @leechbrain.bsky.social · 24/09/2024
Brain video 29a: #brain #blender Turtles all the way down
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Robert leech @leechbrain.bsky.social · 24/09/2024
Brain video 28: #brain #blender Group averaged T1/T2 weighted MRI data from the HCP
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Robert leech @leechbrain.bsky.social · 24/09/2024
Brain video 27 #brain #blender
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Robert leech @leechbrain.bsky.social · 24/09/2024
Brain video 26: #brain #blender #brainstate Functional gradients from BrainSpace and activity data from the young adult HCP.
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Robert leech @leechbrain.bsky.social · 24/09/2024
Brain video 25b: #blender #blender Fight the scanner: part 2
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Robert leech @leechbrain.bsky.social · 24/09/2024
Brain video 25a: #blender #blender Fight the scanner
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Robert leech @leechbrain.bsky.social · 24/09/2024
Brain video 24: #blender #brain #erosion
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Robert leech @leechbrain.bsky.social · 24/09/2024
Brain video 23: #blender #brains Brain structure and activity data from the Midnight Scan Club
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 22: #blender #brains #nogreenbrain fixate or peripheral
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 21: #blender #brains #taurusknot
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 20: #blender #brains #weathersystem
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 19: #blender #brains #modularflow
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 18: #blender #brains #laminar
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 17: #blender #brains #murmuration Video compression is much better on Bluesky than on Twitter/X.
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 16: #blender #brains
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 15: #blender #brains
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 14: #blender #brains
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 13: #blender #brains #Möbius
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 12: #blender #brains
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 11: #blender #brains #hiddenbias
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 10: #blender #brains
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 9: #blender #brains
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 8: #blender #brains
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 7: #blender #brains
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 6: #blender #brains
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 5: #blender #brains
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Robert leech @leechbrain.bsky.social · 23/09/2024
Brain video 4: #blender #brains #unravelling
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