Author
Carnegie Mellon University
Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.
4 papers
Recent·Most cited
Chris S Ki, Ryan Chace Williamson, Akash Umakantha, Byron M. Yu, Matthew A. Smith
This study uses a brain-computer interface to show animals can regulate prefrontal cortex activity through real-time neurofeedback, reducing neural fluctuations and linking this to arousal regulation.
bioRxiv · Aug 23, 2026 · PreprintNeuroscience
Melanie Tschiersch, Akash Umakantha, Ryan Chace Williamson, Matthew A. Smith, João Barbosa, Albert Compte
This study shows that prefrontal hemispheres use a redundant, weakly coupled strategy to adapt working memory performance based on task demands.
Nature Communications · Jul 20, 2026Peer-reviewedAnimal Behavior & Cognition
Megan McDonnell, Akash Umakantha, Ryan Chace Williamson, Matthew A. Smith, Byron M. Yu
The paper uses dual hemisphere recordings and a novel statistical method to show shared neuronal variability across prefrontal cortex populations linked to arousal.
Nature Communications · Apr 11, 2026Peer-reviewedNeuroscience
Akash Umakantha, Rudina Morina, Benjamin R. Cowley, Adam C. Snyder, Matthew A. Smith, Byron M. Yu
The paper establishes mathematical and empirical links between pairwise neuronal correlations and dimensionality reduction metrics, showing that attention-related changes in mean pairwise correlation arise from distinct population-wide covariability shifts.
Neuron · Jul 21, 2021Peer-reviewedNeuroscience