Supplementary Figure 1: Single-cell complex spike probability shows a directional tuning for error.
From: Encoding of error and learning to correct that error by the Purkinje cells of the cerebellum

Error was measured via a vector that pointed from eye position at saccade termination to the current location of the target. The time plot shows probability of CS across trials at 1ms time bins for various error directions relative to this cell’s preferred direction. The polar plot shows probability of CS over the 50–200 ms post-saccadic time period as a function of error direction for this P-cell (error bars are standard deviation across trials). For each P-cell, we determined the preferred error direction (CS-on) as the direction which elicited the highest probability of CS across trials in the 50–200 ms period following saccade termination (right).