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🧠 New preprint by Greenstreet, Geerts, Gallego, and Clopath on #MotorLearning across #cortex, #cerebellum, and #BasalGanglia.
Key idea: supervised learning builds a low-dimensional action embedding, and #ReinforcementLearning operates directly in this structured space. This explains generalization, interference, and striatal similarity patterns as geometric consequences, not add-ons.
Songbird connectomics, from my colleague Joergen Kornfeld:
https://www.songbird-connectomics.org/
Includes the first connectome of basal ganglia.
Three key papers:
"The songbird basal ganglia connectome", Rother et al. 2025 (Kornfeld lab)
https://www.biorxiv.org/content/10.1101/2025.10.25.684569v1
"An anatomical substrate of credit assignment in reinforcement learning", Kornfeld et al. 2025 (with Michael Fee as senior author)
https://www.biorxiv.org/content/10.1101/2020.02.18.954354v2
"Songbird connectome reveals tunnelling of migratory neurons in the adult striatum", Shvedov et al. 2025 (B.B. Scott's lab)
https://www.biorxiv.org/content/10.1101/2025.10.24.684388v1
#neuroscience #connectomics #ZebraFinch #songbirds #BasalGanglia
Now out in eBioMedicine!
📖 Read the open-access article: https://authors.elsevier.com/sd/article/S2352-3964(25)00432-3
#Neuroscience #Neurology #Parkinsonsdisease #Parkinsons #DeepBrainStimulation #DBS #Neurotechnology #Neuromodulation #Neurophysiology #BasalGanglia #OpenScience #Reproducibility
Something I always wondered about people with #tourettes and #ticdisorders:
We're almost always empaths.
The part of our brain - the #prefrontalcortex - responsible for #empathy is slightly larger than usual while the part of our brain in our #basalganglia regulating motor planning/control, has faulty neuro-pathways and shrunken parts.
More connections to the PFC as an adaptation, resulting in glitchy motor controls but perhaps very deep emotions.
How Brain Circuits Influence Mood, Behavior, and Social Skills
#BrainCircuits #Neuroscience #MentalHealth #BrainNetworks #EmotionAndDecision #DefaultModeNetwork #BasalGanglia #LimbicSystem #Neurobiology #CognitiveScience
Reward, Resistance, and Responsibility: The Brain’s Circuitry of Motivation and Control
#BrainCircuits #Neuroscience #DecisionMaking #BasalGanglia #Dopamine #Neocortex #Amygdala #Learning #Motivation #Addiction #NeuroscienceExplained #BrainScience #NeuralPathways #MindAndBehavior
Exploring the Mind-Body Connection: How Awareness Transforms Motor Skills
#MotorBehavior #MindfulMovement #BodyAwareness #Neuroscience #Balance #Posture #MotorSkills #BasalGanglia #Somatosensory #Hyperlordosis #SelfExpression #OculoMotor #HealthyLiving #MovementMatters #DanceThroughLife