Bawden et al.1717. Castronovo V, Scifo P, Castellano A, Aloia MS, Iadanza A, Marelli S, et al. White matter integrity in obstructive sleep apnea before and after treatment. Sleep. 2014 Sep;37(9):1465-75. https://doi.org/10.5665/sleep.3994 https://doi.org/https://doi.org/10.5665/...
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17 patients with polysomnographically diagnosed OSA in brief cognitive tests compared to 20 healthy controls (n=37) |
OSA |
MMSE, BCSB, DSS, ESS |
OSA patients performed significantly worse than controls in the MMSE, in memory items from the BCSB, and in DS |
Small sample |
Waggoner et al.1212. Waggoner LB, Grant DA, Van Dongen HPA, Belenky G, Vila B. A combined field and laboratory design for assessing the impact of night shift work on police officer operational performance. Sleep. 2012 Nov;35(11):1575-7. https://doi.org/10.5665/sleep.2214 https://doi.org/https://doi.org/10.5665/...
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27 male and 2 female police officers (n=29) |
Sleep deprivation |
KSS, PVT, PSQI, ESS, MAPS |
Significant lower scores on attention tests and psychomotor vigilance |
Small sample, sleep disorder was self-reported |
Moraes et al.1919. Luz GP, Guimarães TM, Weaver TE, Nery LE, E Silva LO, Badke L, et al. Impaired sustained attention and lapses are present in patients with mild obstructive sleep apnea. Sleep Breath. 2016 May;20(2):681-7. https://doi.org/10.1007/s11325-015-1279-7 https://doi.org/https://doi.org/10.1007/...
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38 participants divided into the following groups: Narcoleptic group (13 females; 6 males, mean age=37.58); control group (15 Female; 4 Male, mean age=34.42) |
Narcolepsy |
ESS-BR, VST, TMT |
Narcoleptic patients showed higher degrees of EDS, an impaired executive attention at a temporal level and lower performance in working memory |
Small sample |
Karimi et al.1616. Karimi M, Eder DN, Eskandari D, Zou D, Hedner JA, Grote L. Impaired vigilance and increased accident rate in public transport operators is associated with sleep disorders. Accid Anal Prev. 2013 Mar;51:208-14. https://doi.org/10.1016/j.aap.2012.11.014 https://doi.org/https://doi.org/10.1016/...
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72 males, 29 female drivers (n=101) |
Hypersomnolence, insomnia, restless legs syndrome, OSA |
ESS, KSS, FIS, ISI, IRLSS, Polysomnography, ANT, CTT, MWT |
High prevalence of sleep disorders correlated with ANT poor results, improvement after OSA treatment |
Few attention and cognitive tasks |
Niu et al.1313. Niu S-F, Chu H, Chen C-H, Chung M-H, Chang Y-S, Liao Y-M, et al. A comparison of the effects of fixed- and rotating-shift schedules on nursing staff attention levels: a randomized trial. Biol Res Nurs. 2013 Oct;15(4):443-50. https://doi.org/10.1177/1099800412445907 https://doi.org/https://doi.org/10.1177/...
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62 nurses in a medical center in Taiwan and classified in two groups: fixed-day-shift group (control group, n=30) and rotating-shift group (experimental group, n=32) |
Sleep deprivation |
CPSQI, D2 |
Significant less selective attention, performance speed and accuracy on the attentional test were poorer in nurses working night shift than in those working day shift |
Only woman participated, sleep deprivation was induced |
Oliveira et al.1010. Oliveira B de, De Martino MMF. Análise das funções cognitivas e sono na equipe de enfermagem nos turnos diurno e noturno. Rev Gaúcha Enferm. 2013 Mar;34(1):30-6. https://doi.org/10.1590/S1983-14472013000100004 https://doi.org/https://doi.org/10.1590/...
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Nursing staff in a hospital in Minas Gerais (n=102) |
Sleep deprivation |
DSS |
Subjects in this study with nocturnal shift have impaired results in attention tests, and self-report less quality of sleep overall. Important to point out that these individuals also have greater total sleep hours in comparison. |
No sleep tests, even self-reported scales. The correlation is uncertain and the sample is small. |
Castronovo et al.2424. Alikhani M, Ebrahimi A, Farnia V, Khazaie H, Radmehr F, Mohamadi E, et al. Effects of treatment of sleep disorders on sleep, psychological and cognitive functioning and biomarkers in individuals with HIV/AIDS and under methadone maintenance therapy. J Psychiatr Res. 2020 Nov;130:260-72. https://doi.org/10.1016/j.jpsychires.2020.07.043 https://doi.org/https://doi.org/10.1016/...
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17 patients with OSA and 15 controls (n=32) |
OSA |
MMSE, TMT, Stroop, ESS, PSQI |
OSA patients showed impairments in most cognitive areas. After treatment, patients showed a significant improvement in sleepiness and in all cognitive tests, except for total time on Stroop test and Trial Making Test B |
Small sample |
Fortier-Brochu et al.2626. Fortier-Brochu E, Morin CM. Cognitive impairment in individuals with insomnia: clinical significance and correlates. Sleep. 2014 Nov;37(11):1787-98. https://doi.org/10.5665/sleep.4172 https://doi.org/https://doi.org/10.5665/...
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25 adults with primary insomnia and 16 controls (n=25) |
Insomnia |
Polysomnographic recordings, spectral analysis of the electroencephalogram, ISI, PASAT, CPT-II |
Individuals with insomnia had poorer overall performance compared to participants of the control group and committed more errors in attention and episodic memory tasks. Significant cognitive impairments were more frequent with insomnia. |
Small Sample |
Djonlagic et al.1414. Djonlagic I, Guo M, Matteis P, Carusona A, Stickgold R, Malhotra A. First night of CPAP: impact on memory consolidation attention and subjective experience. Sleep Med. 2015 Jun;16(6):697-702. https://doi.org/10.1016/j.sleep.2015.01.017 https://doi.org/https://doi.org/10.1016/...
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15 healthy controls and 29 patients with obstructive sleep apnea (n=44) |
OSA |
Polysomnography, PVT |
Instant improvement in attention and vigilance based on PVT results |
Small sample |
Li et al.1111. Li X, Zhou Z, Jia S, Hou C, Zheng W, Rong P, et al. Cognitive study on Chinese patients with idiopathic REM sleep behavior disorder. J Neurol Sci. 2016 Jul;366:82-86. https://doi.org/10.1016/j.jns.2016.04.047 https://doi.org/https://doi.org/10.1016/...
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23 iRBD patients and 23 controls (n=46) |
Idiopathic REM sleep behavior disorder (iRBD) |
Polysomnography, MMSE, SCW, TMT, DSS |
Negative correlation with the Trail Making B test, episodic verbal memory and non-verbal learning are the most affected domains in iRBD |
Small sample |
Luz et al.1818. Bawden FC, Oliveira CA, Caramelli P. Impact of obstructive sleep apnea on cognitive performance. Arq Neuro-Psiquiatr. 2011 Aug;69(4):585-9. https://doi.org/10.1590/S0004-282X2011000500003 https://doi.org/https://doi.org/10.1590/...
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Thirty-nine mild OSA patients and 25 controls were included (n=64) |
OSA |
Polysomnography, FOSQ, PVT |
There was a statistically significant difference between groups when comparing the “number of lapses” in PVT |
Small sample, pilot study |
Lancee et al.2020. Moraes M, Rossini S, Reimão R. Executive attention and working memory in narcoleptic outpatients. Arq Neuro-Psiquiatr. 2012 May;70(5):335-40. https://doi.org/10.1590/s0004-282x2012005000007 https://doi.org/https://doi.org/10.1590/...
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Participants with insomnia were divided in two groups: training group (n=67, 49 female and 18 male) and placebo training group (n=70, 51 female and 19 male). |
Insomnia |
ISI, DT, PSQI |
Scores of attentional biases didn’t change at all, the control group showed the same results as the main group, and the study wasn’t able to tell the difference |
Online application of DT could be a central factor in the results, conclusion doesn’t show if the attention bias can be altered through this method |
Zhao et al.2525. Zhao F, Xu H, Hong Y, Zhao Y, Yan H, Ma Q, et al. Attention network function of insomniacs improved by manual acupuncture: evidence from Attention Network Task. World J Acupunct Moxibustion. 2019;29(2):91-6. https://doi.org/10.1016/j.wjam.2019.05.006. https://doi.org/https://doi.org/10.1016/...
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28 male and 36 female patients diagnosed with insomnia in Shanghai (n=64) |
Insomnia and Sleep Disturbance |
PSQI, ANT |
Scores of alerting efficiencies increased more, while scores of total reaction time decreased more in treatment group, insomnia was found to be associated with higher scores in the executive control variable of the ANT |
Small sample |
Richards et al.1515. Richards KC, Gooneratne N, Dicicco B, Hanlon A, Moelter S, Onen F, et al. CPAP adherence may slow 1-year cognitive decline in older adults with mild cognitive impairment and apnea. J Am Geriatr Soc. 2019 Mar;67(3):558-64. https://doi.org/10.1111/jgs.15758 https://doi.org/https://doi.org/10.1111/...
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Older adults, aged 55-89 with Mild Cognitive Impairment and Obstructive Sleep Apnea, divided into two groups: who used CPAP (experimental group, n=29) and those who did not use CPAP (control group, n=25) |
Mild cognitive impairment (MCI), OSA |
Polysomnography, SCW, PVT, ESS |
There were significant decreases in daytime sleepiness, and improvement in attention performance in the two measurements performed, from baseline to six months, and from baseline to one year in the group that adhered to CPAP use compared to the group that did not use CPAP. |
Study structure found the groups may have been different on unidentified variables that may have affected the study outcomes, like color/race |
Alikhani et al.2323. Norton R. The effects of acute sleep deprivation on selective attention. Br J Psychol. 1970 May;61(2):157-61. https://doi.org/10.1111/j.2044-8295.1970.tb01233.x https://doi.org/https://doi.org/10.1111/...
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46 males with HIV infection (n=46) |
Sleep disturbances self-reported |
PSQI, ISI, ESS, D2 |
Treating sleep disturbances over a period of six to 12 weeks had a positive impact on aspects of sleep disturbance, symptoms of depression and anxiety, and cognitive performance |
Small sample |