Junchol Park

Evolutionarily conserved neural dynamics across mice, monkeys, and humans

The paper shows that neural dynamics during movement are conserved across mice, monkeys, and humans, despite phylogenetic differences.

Conjoint specification of action by neocortex and striatum

The paper develops a task and models to show that motor cortex and striatum jointly specify movement parameters during a reach-to-pull action in mice.

Preserved neural population dynamics across animals performing similar behaviour

The paper shows that neural population dynamics are preserved across individuals of the same species performing similar behaviours, even when the brain structures differ.

Nonlinear manifolds underlie neural population activity during behaviour

Across monkey, mouse and human motor cortex and mouse striatum, population activity is reported to occupy curved rather than flat low-dimensional spaces, most clearly in complex tasks.

Learning of probabilistic punishment as a model of anxiety produces changes in action but not punishment encoding in the dmPFC and VTA

This study examines neural changes in dmPFC and VTA during probabilistic punishment learning and anxiolytic treatment in rats, finding adaptive responses independent of punishment experience.

Motor cortical output for skilled forelimb movement is selectively distributed across projection neuron classes

The paper shows that different components of motor commands are distributed across two types of cortical projection neurons in mice.

Neuropixels 2.0: A miniaturized high-density probe for stable, long-term brain recordings

The paper introduces Neuropixels 2.0, a high-density probe for long-term brain recordings, and demonstrates its stability across months in multiple labs and species.

Discrete and coordinated encoding of punishment contingent on rewarded actions by prefrontal cortex and VTA

The paper investigates how prefrontal cortex and VTA encode punishment contingent on rewarded actions, finding coordinated neural activity and theta oscillations during the task.