Restricted truncal sagittal movements of rapid eye movement behaviour disorder

Abstract

Unlike sleep-walkers, patients with rapid-eye-movement-behaviour disorder (RBD) rarely leave the bed during the re-enactment of their dreams. RBD movements may be independent of spatial co-ordinates of the ‘outside-world’, and instead rely on (allocentric) brain-generated virtual space-maps, as evident by patients’ limited truncal/axial movements. To confirm this, a semiology analysis of video-polysomnography records of 38 RBD patients was undertaken and paradoxically restricted truncal/thoraco-lumbar movements during complex dream re-enactments demonstrated.

Diagnosis and Management of NREM Sleep Parasomnias in Children and Adults

“…These elements support the differential diagnosis with sleep-related hyper-motor epilepsy (SHE)—the condition that poses more challenging issues in terms of differential diagnosis, especially in the presence of short episodes [ 11 , 24 , 25 ]. Contrary to REM sleep behavior disorder (RBD), eyes during DoA episodes are wide open [ 26 ], even during minor episodes, and movements more often involve the trunk [ 27 ].…”

Homoiōma in Dreams of Congenitally Blind

“…In turn, this may also ensure attentional shifts that 'reset' mnemonic processing frames and enable oneiric conscious experiences 35 , including discrete epochs of visual-like imagery processing during REM sleep. 33,36,37 In this background, it is of note that congenitally blind people show signi cantly reduced, or fully absent, rapid eye movements during sleep 3 .…”

Relevance of sleep and associated structural changes in GBA1 mouse to human rapid eye movement behavior disorder

“…Elementary, minor and major body and limb jerks on surface electromyography (REM sleep without atonia) or video polysomnography are a hallmark of iRBD 3 , 8 . However, to date, surprisingly little is still known about the (microscopic) sleep architecture in iRBD 9 – 12 .…”