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Fig. 2. Sensillum lymph perfusion with 10 mmol l-1 8bcGMP at ZT 8-11
reduced the action potential (AP; top recordings) response, but left the
sensillar potential (SP; bottom recordings) response unaltered. (A) At the
beginning of the recording, the AP frequency in response to bombykal
stimulation was 245 Hz. After 158 min (B) the SP was unaltered, but the AP
frequency was reduced to 147 Hz. Also, the latency to occurrence of the first
AP (AP latency) was prolonged. The effect on the AP latency was characterized
by high variability between recordings. AC, pseudo-high-pass filtered signal;
DC, non-filtered signal.