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Fig. 5. Reciprocal inhibition between sint1 neurons. (A,B). Simultaneous
recordings from Rsint1 (upper trace) and Lsint1 (lower
trace) in a quiescent whole animal preparation. In A, Rsint1 was
driven to fire a burst of action potentials while the voltage in
Lsint1 was recorded at 4 x higher gain. The same procedure was
followed in B, where Lsint1 was stimulated. (C,D). Unitary ipsp in
Lsint1 during stimulation of Rsint1. Rsint1 was driven to
fire either a single action potential (C) or a series of seven action
potentials at a rate of one per second (D, sweeps superimposed). Asterisks
indicate the time of occurrence of the ipsp. This experiment was repeated in
six different whole animal preparations with consistent results.