1. Is obstructive sleep apnea a problem in Parkinson’s disease?
Valérie Cochen De Cock, Maher Abouda, Smaranda Leu, Delphine Oudiette, Emmanuel Roze, Marie Vidailhet, Thomas Similowski, Isabelle Arnulf 
Sleep Medicine 
Volume 11, Issue 3, Pages (March 2010)
DOI: /j.sleep
Copyright © 2009 Elsevier B.V. Terms and Conditions

2. Fig. 1
A sequence of REM sleep without atonia in a patient with Parkinson’s disease. Repeated obstructive apneas occur in spite of subnormal chin muscle tone (chin EMG), with further muscle enhancement when the apneas resume. LOC-A1 and ROC-A1: eye movements via left and right ocular canthus; C3-A2 EEG: central electroencephalogram; L and R leg EMG: left and right leg EMG; Airflow via nasal pressure; phono: tracheal audio monitor; RC: Rib cage and ABD: abdomen respiratory movements. SaO2: transcutaneous oxygen saturation.
Sleep Medicine  , DOI: ( /j.sleep )
Copyright © 2009 Elsevier B.V. Terms and Conditions