Takeaway
The dichotomy index (I
Why this matters
Studies have shown that iRBD can be a prodromal stage of synucleinopathies developing into Parkinson’s disease, dementia with Lewy bodies or multiple system atrophy.
The current diagnostic criteria of iRBD include video-polysomnography (v-PSG), which require lot of time and resources, and screening questionnaires, which have limited validity; actigraphy could be an alternative to circumvent those limitations.