Fig. 7. An x neurone identified as a DUM neurone. (A) Spike frequency histograms of two x neurones recorded from the right and left dorsal pouch nerves. r/l, spike simultaneously recorded from both the nerves; l, spike recorded from the left nerve only. (B) Recordings from the right (R) and left (L) nerves, as shown in A, at high gain. Inverted arrows indicate a synchronized spike of r/l neurone. (C) Different portion of the same recording as in B at low gain. Large spikes are from mDP. Note the absence of crosstalk.

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