Two-Channel Portable Biopotential Recording System Can Detect REM Sleep Behavioral Disorder: Validation Study with a Comparison of Polysomnography

<div>Hypnogram. (a) Polysomnography. (b) Portable recording system (ZA) (SleepGraph®, Proassist Co., Japan).</div>

Parkinson’s Disease

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Figure 2

Figure 2: Two-Channel Portable Biopotential Recording System Can Detect REM Sleep Behavioral Disorder: Validation Study with a Comparison of Polysomnography 

Figure 2 | Two-Channel Portable Biopotential Recording System Can Detect REM Sleep Behavioral Disorder: Validation Study with a Comparison of Polysomnography 