Fig. 8.

a, b Variation of bilateral AN1 discharge differences over 40 successive stimuli, recorded in one preparation at a distance of 5 and 7 m (same preparation as shown in Fig. 7a). Blue diamonds and red squares indicate the discharge of the respective ipsilateral and contralateral AN1 neuron. Black bars indicate correct directional information (ipsilateral neuron fired more strongly, or with shorter latency compared to contralateral neuron); red bars indicate wrong directional information. Note the variation in the amount of directional information at the same location over time