Research Paper Volume 12, Issue 1 pp 884—893
Pineal gland volume is associated with prevalent and incident isolated rapid eye movement sleep behavior disorder
Figure 1. Association of (A) pineal parenchyma volume (VPP, mm3) and (B) pineal gland volume (VPG, mm3) with the REM Sleep Behavior Disorder Screening Questionnaire (RBDSQ) total scorea. aMultiple linear regression model adjusted for age, sex, years of education, intracranial volume, head injury, amount of smoking, and amount of alcohol drinking.