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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: Acta Physiol (Oxf). 2016 Mar 3;217(3):254–266. doi: 10.1111/apha.12661

Figure 4. Effects of AIH on the sympathetic and respiratory pattern of the in situ preparations.

Figure 4

Panel A: Raw and integrated (∫) activities recorded from the thoracic sympathetic (tSN), abdominal (AbN) and phrenic nerve (PN) activities, of an in situ preparation representative of the group, illustrating the effects of AIH on the inspiratory, expiratory and sympathetic motor pattern before and after AIH exposure. Panel B: Phrenic-triggered averages of AbN and tSN, obtained from the recordings shown in Panel A, illustrating the changes on sympathetic-respiratory coupling after the exposure to AIH. The dotted lines delineate the inspiratory and expiratory phases. Note that the emergence of additional bursts in the tSN activity during the expiratory phase entrained with the emergence of late-E bursts in the AbN activity (arrows).