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. Author manuscript; available in PMC: 2012 Nov 14.
Published in final edited form as: Eur Respir J. 2009 Dec 23;36(3):569–576. doi: 10.1183/09031936.00153809

TABLE 2.

Negative pressure pulse data collected during wakefulness

Pressure reflex and stimulus characteristics Pre-pentobarbital Post-pentobarbital Pre-placebo Post-placebo
Excitation onset latency ms 27 ± 5 28 ± 3 26 ± 5 21 ± 2
Excitation peak amplitude % baseline 224 ± 30 227 ± 34 236 ± 34 242 ± 28
Excitation peak latency ms 36 ± 4 38 ± 3 42 ± 8 34 ± 4
Minimum mask pressure cmH2O -16 ± 2 -17 ± 2 -19 ± 2 -17 ± 1
Number of artefact-free pulse presentations 39 ± 3 35 ± 3 41 ± 2 34 ± 3

Data are presented as mean ± sem. There were no significant differences between conditions for genioglossus reflex characteristics or stimulus magnitudes. n=10.