Recurrent Excitatory Feedback From Mossy Cells Enhances Sparsity and Pattern Separation in the Dentate Gyrus via Indirect Feedback Inhibition. - Alessandro R. Galloni; Aya Samadzelkava; Kiran Hiremath; Reuben Oumnov; Aaron D. Milstein (Frontiers Comput. Neurosci., 2022)