Sex differences in the circadian regulation of sleep and waking cognition in humans
(2016)
Journal Article
Santhi, N., Lazar, A. S., McCabe, P. J., Lo, J. C., Groeger, J. A., & Dijk, D. (2016). Sex differences in the circadian regulation of sleep and waking cognition in humans. Proceedings of the National Academy of Sciences of the United States of America, 113(19), E2730-E2739. https://doi.org/10.1073/pnas.1521637113
All Outputs (9)
Identifying psychological and socio-economic factors affecting motorcycle helmet use (2015)
Journal Article
Haqverdi, M. Q., Seyedabrishami, S., & Groeger, J. A. (2015). Identifying psychological and socio-economic factors affecting motorcycle helmet use. Accident analysis and prevention, 85, 102-110. https://doi.org/10.1016/j.aap.2015.09.007Sixty percent of motorcyclist fatalities in traffic accidents of Iran are due to head injuries, but helmet use is low, despite it being a legal requirement. This study used face-to-face interviews to investigate the factors associated with helmet use... Read More about Identifying psychological and socio-economic factors affecting motorcycle helmet use.
An instrumental scientist: Ivan D. Brown (1927-2014) (2015)
Journal Article
Groeger, J. A. (2015). An instrumental scientist: Ivan D. Brown (1927-2014). Transportation research. Part F, Traffic psychology and behaviour, 30(April), 173-175. https://doi.org/10.1016/j.trf.2014.11.007
Analysis of heart rate variability amongst cyclists under perceived variations of risk exposure (2014)
Journal Article
Doorley, R., Pakrashi, V., Byrne, E., Comerford, S., Ghosh, B., & Groeger, J. A. (2015). Analysis of heart rate variability amongst cyclists under perceived variations of risk exposure. Transportation research. Part F, Traffic psychology and behaviour, 28, 40-54. https://doi.org/10.1016/j.trf.2014.11.004Cycling as a mode of travel provides an opportunity for many people to increase their levels of regular physical activity and contribute to their mental and physical health. Heart rate is often used as a means of measuring the intensity and energy ex... Read More about Analysis of heart rate variability amongst cyclists under perceived variations of risk exposure.
Comparing the effects of nocturnal sleep and daytime napping on declarative memory consolidation (2014)
Journal Article
Lo, J. C., Dijk, D. J., & Groeger, J. A. (2014). Comparing the effects of nocturnal sleep and daytime napping on declarative memory consolidation. PLoS ONE, 9(9), Article e108100. https://doi.org/10.1371/journal.pone.0108100Nocturnal sleep and daytime napping facilitate memory consolidation for semantically related and unrelated word pairs. We contrasted forgetting of both kinds of materials across a 12-hour interval involving either nocturnal sleep or daytime wakefulne... Read More about Comparing the effects of nocturnal sleep and daytime napping on declarative memory consolidation.
Cognitive performance in irritable bowel syndrome: Evidence of a stress-related impairment in visuospatial memory (2013)
Journal Article
Kennedy, P. J., Clarke, G., O'Neill, A., Groeger, J. A., Quigley, E. M. . M., Shanahan, F., …Dinan, T. G. (2014). Cognitive performance in irritable bowel syndrome: Evidence of a stress-related impairment in visuospatial memory. Psychological Medicine, 44(7), 1553-1566. https://doi.org/10.1017/S0033291713002171Background Central nervous system (CNS) dysfunction is a prominent feature of the functional gastrointestinal (GI) disorder, irritable bowel syndrome (IBS). However, the neurobiological and cognitive consequences of key pathophysiological features of... Read More about Cognitive performance in irritable bowel syndrome: Evidence of a stress-related impairment in visuospatial memory.
Differential effects of a dual orexin receptor antagonist (SB-649868) and zolpidem on sleep initiation and consolidation, SWS, REM sleep and EEG power spectra in a model of situational insomnia (2012)
Journal Article
Bettica, P., Squassante, L., Groeger, J. A., Gennery, B., Winsky-Sommerer, R., & Dijk, D. (2012). Differential effects of a dual orexin receptor antagonist (SB-649868) and zolpidem on sleep initiation and consolidation, SWS, REM sleep and EEG power spectra in a model of situational insomnia. Neuropsychopharmacology, 37(5), 1224-1233. https://doi.org/10.1038/npp.2011.310Orexins have a role in sleep regulation, and orexin receptor antagonists are under development for the treatment of insomnia. We conducted a randomised, double-blind, placebo-controlled, four-period crossover study to investigate the effect of single... Read More about Differential effects of a dual orexin receptor antagonist (SB-649868) and zolpidem on sleep initiation and consolidation, SWS, REM sleep and EEG power spectra in a model of situational insomnia.
Age-related reduction in daytime sleep propensity and nocturnal slow wave sleep (2010)
Journal Article
Dijk, D., Groeger, J. A., Stanley, N., & Deacon, S. (2010). Age-related reduction in daytime sleep propensity and nocturnal slow wave sleep. SLEEP, 33(2), 211-223Objective:To investigate whether age-related and experimental reductions in SWS and sleep continuity are associated with increased daytime sleep propensity.Methods:Assessment of daytime sleep propensity under baseline conditions and following experim... Read More about Age-related reduction in daytime sleep propensity and nocturnal slow wave sleep.
Early morning executive functioning during sleep deprivation is compromised by a PERIOD3 polymorphism (2008)
Journal Article
Groeger, J. A., Viola, A. U., Lo, J. C., von Schantz, M., Archer, S. N., & Dijk, D. (2008). Early morning executive functioning during sleep deprivation is compromised by a PERIOD3 polymorphism. SLEEP, 31(8), 1159-1167. https://doi.org/10.5665/sleep/31.8.1159Study Objectives: To contrast the effects of total sleep deprivation (TSD) on executive and non-executive function in volunteers homozygous for either the short or long variant of a variable number tandem repeat polymorphism in PERIOD3 , which is a... Read More about Early morning executive functioning during sleep deprivation is compromised by a PERIOD3 polymorphism.