Figure 6.

Sample responses of Manduca sexta object sensitive descending neurons (OSDNs) to the direction test, where the dark grey bars are spiking responses to the labeled direction of motion and the light grey bars represent the corresponding baseline spike rate. OSDNs typically responded to multiple directions of motion. However, no consistent patterns of directional sensitivity were found. Responses to a given direction of motion that were significantly different from baseline are denoted with an asterisk (ANOVA, Tukey's HSD, p<0.05).