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Fig. 5. (A) Tetanus-induced augmentation in an A5 alpha lobe-extrinsic neuron. The
neuron was identified by intracellular marking and categorized according to
Rybak and Menzel (1993). The
augmentation effect was very constant in three consecutive tetani, and the
neuron returned to its initial sensitivity within 1 min. Therefore, the
responses to test stimuli shortly before and after the three tetani were
overlaid in the figure. (B) Spike trains of the neuron in A recorded at two
intervals after the first tetanus (arrows). The stimulus artefacts mark the
test pulses. (C) Augmentation of 11 PE1 neurons. The ordinates give the number
of spikes elicited by a single stimulus (± S.D. C), and the
abscissa time in s.
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