Abstract:
:This study tested the hypothesis that cholinoceptive regions of the medial pontine reticular formation (mPRF), long known to play a role in regulating the sleep cycle, can also causally alter the respiratory cycle. In 4 cats, sleep and wakefulness were polygraphically recorded while simultaneous measures were taken of rate of breathing, tidal volume, minute ventilation, respiratory cycle timing, and end-tidal CO2 concentration. Respiration during naturally occurring rapid eye movement (REM) sleep was compared to breathing during wakefulness and during the REM sleep-like state (D Carb) caused by mPRF microinjections of the cholinergic agonist carbachol. The results demonstrate for the first time that non-respiratory regions of the cholinoceptive mPRF can cause statistically significant state-dependent alterations in respiration.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Lydic R,Baghdoyan HAdoi
10.1016/0304-3940(89)90080-3subject
Has Abstractpub_date
1989-07-31 00:00:00pages
211-6issue
2-3eissn
0304-3940issn
1872-7972pii
0304-3940(89)90080-3journal_volume
102pub_type
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