Search Results for author: Luca Mazzucato

Found 6 papers, 0 papers with code

Probabilistic modeling reveals coordinated social interaction states and their multisensory bases

no code implementations3 Aug 2024 Sarah Josephine Stednitz, Andrew Lesak, Adeline L Fecker, Peregrine Painter, Phil Washbourne, Luca Mazzucato, Ethan K Scott

Social behavior across animal species ranges from simple pairwise interactions to thousands of individuals coordinating goal-directed movements.

Expressivity of Neural Networks with Random Weights and Learned Biases

no code implementations1 Jul 2024 Ezekiel Williams, Avery Hee-Woon Ryoo, Thomas Jiralerspong, Alexandre Payeur, Matthew G. Perich, Luca Mazzucato, Guillaume Lajoie

Landmark universal function approximation results for neural networks with trained weights and biases provided impetus for the ubiquitous use of neural networks as learning models in Artificial Intelligence (AI) and neuroscience.

Modulation of metastable ensemble dynamics explains optimal coding at moderate arousal in auditory cortex

no code implementations5 Apr 2024 Lia Papadopoulos, Suhyun Jo, Kevin Zumwalt, Michael Wehr, David A. McCormick, Luca Mazzucato

Specifically, we show that optimal stimulus discriminability is achieved near a transition between a multi-attractor phase with metastable cluster dynamics (low arousal) and a single-attractor phase (high arousal).

Decision Making

Multi-tasking via baseline control in recurrent neural networks

no code implementations13 May 2022 Shun Ogawa, Francesco Fumarola, Luca Mazzucato

Changes in an animal's behavioral state, such as arousal and movements, induce {complex modulations of the baseline input currents to sensory areas, eliciting sensory modality-specific effects.

Neural mechanisms underlying the temporal organization of naturalistic animal behavior

no code implementations4 Mar 2022 Luca Mazzucato

Naturalistic animal behavior exhibits a strikingly complex organization in the temporal domain, whose variability stems from at least three sources: hierarchical, contextual, and stochastic.

State-dependent regulation of cortical processing speed via gain modulation

no code implementations8 Apr 2020 David Wyrick, Luca Mazzucato

Our results establish a novel theory of cell-type specific perturbations, applicable to top-down modulation as well as optogenetic and pharmacological manipulations.

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