Fig. 4. Responses of Dahlgren cells to superfusion with acetylcholine (100 µmol l^-1, 600 s; solid horizontal bar, onset shown by dotted line) in a SWA CNSS preparation. The activity of four units (ii-v) is separated from the original multiunit recording (i) and shows a range of responses, including a change from bursting to phasic activity (ii), short-term inhibition (iii), and increased firing frequency in a phasically active cell (v).

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