Granule Cell Ascending Axon Excitatory Synapses onto Golgi Cells Implement a Potent Feedback Circuit in the Cerebellar Granular Layer

By E. Cesana, K. Pietrajtis, Céline Bidoret, P. Isope, Egidio D'Angelo, S. Dieudonné, L. Forti. 2013

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Re-evaluating circuit mechanisms underlying pattern separation (2019, positive): “, 2015), which are driven by excitatory inputs from mossy fibres through their basal dendrites (Kanichay and Silver, 2008) and ascending granule cell axons and parallel fibres through their apical dendrites (Dieudonné, 1998; Cesana et al., 2013).”
Pathway-Specific Drive of Cerebellar Golgi Cells Reveals Integrative Rules of Cortical Inhibition (2018, methodology): “0% (n 3 cells; N 3 mice), supporting the view that late synaptic responses were the result of disynaptic recruitment of GrCs (Cesana et al., 2013).”
At the Edge of Chaos: How Cerebellar Granular Layer Network Dynamics Can Provide the Basis for Temporal Filters (2015, background): “Direct evidence for this comes from recent experiments [81] showing that during sustained mossy fiber activity half of the excitatory charge input to Golgi cells comes from granule cell synapses.”
Network Structure within the Cerebellar Input Layer Enables Lossless Sparse Encoding (2014, background): “Golgi cells provide network-activity-dependent inhibition of GCs, via feedforward (Kanichay and Silver, 2008) and feedback inhibition (Cesana et al., 2013), although the impact of this phasic and spillover-mediated component is much weaker than tonic inhibition (Duguid et al., 2012).”