ArticleNature communications2024
Reach-dependent reorientation of rotational dynamics in motor cortex.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Flexible reorientation of conserved neural dynamics underlies grasp control.bioRxiv : the preprint server for biology · 2026Article
- Shared neural geometries for bilingual semantic representations in human hippocampal neurons.Cell · 2026Article
- The Importance of Synchrony in the Neural Control of Movement.bioRxiv : the preprint server for biology · 2026Article
- Benchmarking criteria to determine latent linear dimensionality in neural data.Scientific reports · 2026Article
- Artificial plateau neurons with in-situ spike-malleability for rhythmic quadrupedal locomotion.Nature communications · 2026Article
- Manifolds in the Medial Premotor Cortex During Switching From Attending to Tapping to a Metronome.Annals of the New York Academy of Sciences · 2026Article
- Improved interpretability in LFADS models using a learned, context-dependent per-trial bias.bioRxiv : the preprint server for biology · 2025Article
- Motor cortex flexibly deploys a high-dimensional repertoire of subskills.bioRxiv : the preprint server for biology · 2025Article
- Hand position fields of neurons in the premotor cortex of macaques during natural reaching.Nature communications · 2025Article
- Visual target and task-critical feedback uncertainty impair different stages of reach planning in motor cortex.Nature communications · 2025Article
- A dynamic subset of network interactions underlies tuning to natural movements in marmoset sensorimotor cortex.Nature communications · 2024Article
- Preparatory activity and the expansive null-space.Nature reviews. Neuroscience · 2024Review
- A dynamic subset of network interactions underlies tuning to natural movements in marmoset sensorimotor cortex.Research square · 2023Article
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Authors and funding
2 authors.
Funding
Abstract
During reaching, neurons in motor cortex exhibit complex, time-varying activity patterns. Though single-neuron activity correlates with movement parameters, movement correlations explain neural activity only partially. Neural responses also reflect population-level dynamics thought to generate outputs. These dynamics have previously been described as "rotational," such that activity orbits in neural state space. Here, we reanalyze reaching datasets from male Rhesus macaques and find two essential features that cannot be accounted for with standard dynamics models. First, the planes in which rotations occur differ for different reaches. Second, this variation in planes reflects the overall location of activity in neural state space. Our "location-dependent rotations" model fits nearly all motor cortex activity during reaching, and high-quality decoding of reach kinematics reveals a quasilinear relationship with spiking. Varying rotational planes allows motor cortex to produce richer outputs than possible under previous models. Finally, our model links representational and dynamical ideas: representation is present in the state space location, which dynamics then convert into time-varying command signals.
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