The role of PFC networks in cognitive control and executive function

V Menon, M D'Esposito - Neuropsychopharmacology, 2022 - nature.com
Abstract Systems neuroscience approaches with a focus on large-scale brain organization
and network analysis are advancing foundational knowledge of how cognitive control …

Resting state MEG oscillations show long-range temporal correlations of phase synchrony that break down during finger movement

M Botcharova, L Berthouze, MJ Brookes… - Frontiers in …, 2015 - frontiersin.org
The capacity of the human brain to interpret and respond to multiple temporal scales in its
surroundings suggests that its internal interactions must also be able to operate over a …

Conjugate coupling-induced symmetry breaking and quenched oscillations

K Ponrasu, K Sathiyadevi, VK Chandrasekar… - Europhysics …, 2018 - iopscience.iop.org
Spontaneous symmetry breaking (SSB) is essential and plays a vital role in many natural
phenomena, including the formation of the Turing pattern in organisms and complex …

Chimeras and complex cluster states in arrays of spin-torque oscillators

M Zaks, A Pikovsky - Scientific reports, 2017 - nature.com
We consider synchronization properties of arrays of spin-torque nano-oscillators coupled via
an RC load. We show that while the fully synchronized state of identical oscillators may be …

Dynamical complexity and computation in recurrent neural networks beyond their fixed point

BA Marquez, L Larger, M Jacquot, YK Chembo… - Scientific Reports, 2018 - nature.com
Spontaneous activity found in neural networks usually results in a reduction of
computational performance. As a consequence, artificial neural networks are often operated …

Inhomogeneous to homogeneous dynamical states through symmetry breaking dynamics

K Sathiyadevi, VK Chandrasekar, DV Senthilkumar - Nonlinear Dynamics, 2019 - Springer
We explore the dynamical transitions facilitated by the symmetry breaking dynamical states
in a directly coupled limit-cycle oscillators, when the oscillators are interacting through …

Spontaneous symmetry breaking due to the trade-off between attractive and repulsive couplings

K Sathiyadevi, S Karthiga, VK Chandrasekar… - Physical Review E, 2017 - APS
Spontaneous symmetry breaking is an important phenomenon observed in various fields
including physics and biology. In this connection, we here show that the trade-off between …

What Causes Persistent Neural Activity? Part I

V Verma - bioRxiv, 2024 - biorxiv.org
The persistent neural activity at a global scale, either stationary or oscillatory, can be
explained by the use of the excitatory-inhibitory neural network models. This state of the …

Symmetry breaking dynamics induced by mean-field density and low-pass filter

K Ponrasu, U Singh, K Sathiyadevi… - … Journal of Nonlinear …, 2020 - pubs.aip.org
The phenomenon of spontaneous symmetry breaking facilitates the onset of a plethora of
nontrivial dynamical states/patterns in a wide variety of dynamical systems. Spontaneous …

Abrupt symmetry-preserving transition from the chimera state

M Manoranjani, DV Senthilkumar, VK Chandrasekar - Physical Review E, 2023 - APS
We consider two populations of the globally coupled Sakaguchi-Kuramoto model with the
same intra-and interpopulations coupling strengths. The oscillators constituting the …