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. 2016 Apr 27;116(2):540–551. doi: 10.1152/jn.01108.2015

Fig. 7.

Fig. 7.

Golgi cells receive rare chemical synaptic input from other Golgi cells and from superficial stellate cells. A: step to +30 mV from a holding potential of −60 mV in black voltage-clamped Golgi cell evoked synchronous IPSCs in simultaneously recorded red granule cell. Synchronous voltage step-evoked IPSCs in Golgi and granule cells occurred in 1 of 23 dual Golgi-granule cell recordings. B: time block denoted in A by gray bar displayed at higher temporal resolution. Open circles indicate synchronous IPSCs in Golgi and granule cell, and asterisks indicate putative spikelets preceding IPSCs. C: 10 μM SR95531 and 0.5 μM strychnine blocked IPSCs and revealed putative spikelets (indicated by asterisks; Golgi cell holding voltage of +30 mV). The other smaller-amplitude fast current deflections may also be spikelets. D: IPSC-triggered average revealed synchronous IPSCs preceded by spikelet in Golgi cell (indicated by asterisk). E: 100-Hz train of APs in a superficial stellate cell (SSC) evoked IPSCs onto voltage-clamped Golgi cell (GoC; gray, individual trials; black, average of trials) that were completely blocked by 10 μM SR95531 (red trace).