Actigraphic evaluation of handedness

Nagels, Guy; Marion, P; Pickut, Barbara A.; Timmermans, L.; Deyn, Peter Paul De

doi:10.1016/0924-980x(96)95566-6

Cited by 15 publications

(15 citation statements)

References 18 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…A third hypothesis proposes that changes in hand movement laterality during sleep occur because the cerebral hemispheres have different circadian rhythms. Previous studies reported earlier onset of sleep in the left hemisphere compared to the right hemisphere of right-handed participants and these findings were thought to be consistent with use-dependent recovery hypothesis [ 13 , 14 ]. However, a subsequent study found that changes in the laterality of hand movements during sleep did not occur in left-handed participants [ 4 ].…”

Section: Introductionsupporting

confidence: 68%

“…Approximately 7–11% of the general population is right hemisphere dominant, which is expressed as left-handedness [ 1 ]. It is well known that the dominant hand moves far more frequently than the non-dominant hand during the day [ 2 ], however, previous studies suggested that the laterality of hand movements changes during sleep. This phenomenon was first reported by Jovanovic, who conducted electromyography in 20 participants during nocturnal sleep and found that the non-dominant hand moved approximately twice as often, regardless of REM/non-REM phases [ 3 , 4 ].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Reversed Hand Movement during Sleep in Patients with Obstructive Sleep Apnea

Jeon

Ryu

et al. 2018

Psychiatry Investig

View full text Add to dashboard Cite

ObjectivePrevious findings suggest that hand movement laterality is reversed during sleep. The present study aimed to verify this phenomenon and evaluate whether the extent of reversal is correlated with the severity of sleep apnea.MethodsA total of 184 participants (mean age: 44.5±13.0 years; 81.5% males) wore actigraphs on both hands during sleep, and nocturnal polysomnography was simultaneously performed. ResultsActigraphic indices of hand movement were significantly higher for the left hand than those for the right hand (p<0.001), including total activity score, mean activity score, mean score in active periods and fragmentation index. Additionally, calculated differences between the fragmentation index for the left versus right hands were significantly correlated with the apnea-hypopnea index (AHI, r=0.149, p=0.032). The AHI was not significantly correlated with differences in hand movement between both hands movement assessed by total activity score (r=0.004, p=0.957), mean activity score (r=0.011, p=0.876), mean score in active periods (r=-0.080, p=0.255). ConclusionMore severe symptoms of obstructive sleep apnea was associated with larger degree of hand movement reversal at night. This result support the theory that homeostatic deactivation occurs in the dominant hemisphere during sleep.

show abstract

Section: Introductionsupporting

confidence: 68%

Section: Introductionmentioning

confidence: 99%

Reversed Hand Movement during Sleep in Patients with Obstructive Sleep Apnea

Jeon

Ryu

et al. 2018

Psychiatry Investig

View full text Add to dashboard Cite

show abstract

“…We consistently affixed actigraphs to the nondominant wrist as actigraphic recordings differ between dominant and non-dominant wrists (Nagels et al, 1996).…”

Section: Discussionmentioning

confidence: 99%

Actigraphic measurement of agitated behaviour in dementia

Nagels

Engelborghs

Vloeberghs

et al. 2006

Int. J. Geriat. Psychiatry

View full text Add to dashboard Cite

show abstract

“…Handedness was determined using the Edinburgh Inventory (Oldfield et al, 1971) since this factor influences actigraphic recordings (Nagels et al, 1996).…”

Section: Scalesmentioning

confidence: 99%