Two-State Effective Connectivity Predicts the Effect of Anterior Cingulate Cortex Excitatory / Inhibitory Balance on Posterior Cingulate Cortex
Abdoreza Asadpour, Aanya Malaviya, James Cook, Alan George, Piyali Bhattacharya, Ifigeneia Manitsa, Martin Wilson, Maria Regina Dauvermann
The paper develops a network-level measure combining MRI spectroscopy ratios and effective connectivity to show that Glx/GABA ratio shapes posterior cingulate cortex connectivity.
bioRxiv · Sep 14, 2026 · PreprintNeuroscience