Erin Ferguson

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Abnormal respiratory chemosensitivity is implicated in recurrent apnea syndromes, with the peripheral chemoreceptors, the carotid bodies, playing a particularly important role. Previous work suggests that supraphysiological concentrations of the endocannabinoid endovanilloid and TASK channel blocker anandamide (ANA) excite carotid bodies, but the(More)
Pituitary adenylate cyclase-activating peptide (PACAP) is an important mediator of the stress response and is crucial in maintaining breathing in neonates. Here we investigate the role of exogenously applied PACAP in neonatal breathing using the neonatal rat in situ working heart-brainstem preparation. A 1-min bolus of 250 nM PACAP-38 caused an increased in(More)
Spatially distinct, interacting oscillators in the bullfrog medulla generate and coordinated buccal and lung ventilatory rhythms, but how these rhythms are transmitted onto trigeminal and hypoglossal motor neurons is unknown. Using a vertically-mounted isolated brainstem preparation, the Sheep Dip, we identified the regions of the brainstem containing motor(More)
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