19 Introduction Functional role of respiratory modulation I.By triggering the activity into the bulbar network, the early inspiratory patterns of glomerular cells could be dedicated to a priming function; II.Mitral and tufted cell discharges occurring during the γ episodes around transition I/E epoch would serve a gating function, III.The late and slow expiratory patterns of deeper cells could serve a tuning function, modulating the bulbar message during β oscillatory episodes.
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