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Fig. 2 | Respiratory Research

Fig. 2

From: Monitoring mandibular movements to detect Cheyne-Stokes Breathing

Fig. 2

Typical MM recorded during CSB vs Obstructive events for comparing true positive SPM or LPM vs MM during obstructive events. Examples of: a, b Central and c Obstructive respiratory events during a period of 5 sleep minutes. The arrows indicate cortical arousals. SaO2: oxygen saturation; VTH and VAB: thoracic and abdominal inductance belts; NAF2P and NAF1: nasal pressure transducer and oronasal thermal flow sensor; MM: mandibular movements. Cortical arousals are highlighted with an arrow. During the central event (a, b), one issue of classification is presented, including: True Positive for LPM (a) and for SPM (b). During the obstructive event (c), the more negative the signal, the lower the mandibular position and the greater the mouth opening until a sharp and great movement occurs closing the mouth

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