Body movements during night sleep in healthy elderly subjects and their relationships with sleep stages

Brain Research Bulletin
Sara GoriPiero Salzarulo

Abstract

In order to enlighten the profile of body movements during sleep at old age, the night sleep of twelve elderly subjects was polygraphically investigated; seven young healthy subjects were the control group. Significantly less body movements during sleep were found in the elderly compared to young subjects, meaning that the decrease in the number of body movements observed from infancy to childhood up to adulthood also continues at later ages. Differently from young adult, whose sleep body movements mainly occur in stage REM, no specific sleep state and/or stage was preferentially associated with the occurrence of body movements in the elderly. These data may point to an age-related modification in the interaction between motor cortex control and subcortical circuits. Furthermore, when body movements occur in elderly individuals, they are significantly more often followed in the next 60 s by a sleep stage change or by a spontaneous behavioural awakening. This might reflect a peculiar inability of elderly subjects to sustain stable states, and could also suggest that body movements may act as a co-factor in a process, comprising other physiological changes, leading to state shifts.

References

Feb 1, 1983·Perceptual and Motor Skills·J Wilde-Frenz, H Schulz
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Jun 26, 2001·Psychiatry and Clinical Neurosciences·T HoriUNKNOWN Sleep Computing Committee of the Japanese Society of Sleep Research Society

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Citations

Mar 28, 2012·Acta neurologica Belgica·Sara GoriLuigi Murri
Nov 19, 2013·American Journal of Human Biology : the Official Journal of the Human Biology Council·Kristen L Knutson
Oct 11, 2013·IEEE Journal of Biomedical and Health Informatics·Adrienne HeinrichGerard de Haan
Mar 26, 2011·IEEE Transactions on Information Technology in Biomedicine : a Publication of the IEEE Engineering in Medicine and Biology Society·Vincent VerhaertJos Vander Sloten
Nov 24, 2007·Clinics in Geriatric Medicine·Joseph Roland D Espiritu
Dec 17, 2014·Physiological Measurement·Marnie L LamprechtPhilip I Terrill
May 20, 2020·Physiological Measurement·Gabriele B PapiniSebastiaan Overeem
Oct 20, 2020·Frontiers in Neuroscience·Bryce A Mander

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