Search Results - "A. St-Hilaire"

The effects of spectral tuning of evening ambient light on melatonin suppression, alertness and sleep by Rahman, Shadab A, St. Hilaire, Melissa A, Lockley, Steven W

“…Abstract We compared the effects of bedroom-intensity light from a standard fluorescent and a blue- (i.e., short-wavelength) depleted LED source on melatonin…”
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A Classification of Stream Water Temperature Regimes in the Conterminous USA by Maheu, A., Poff, N. L., St-Hilaire, A.

“…Temporal variability in water temperature plays an important role in aquatic ecosystems, yet the thermal regime of streams has mainly been described in terms…”
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Circadian lipid and hepatic protein rhythms shift with a phase response curve different than melatonin by Kent, Brianne A., Rahman, Shadab A., St. Hilaire, Melissa A., Grant, Leilah K., Rüger, Melanie, Czeisler, Charles A., Lockley, Steven W.

“…While studies suggest that light and feeding patterns can reset circadian rhythms in various metabolites, whether these shifts follow a predictable pattern is…”
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Effect on Patient Safety of a Resident Physician Schedule without 24-Hour Shifts by Landrigan, Christopher P, Rahman, Shadab A, Sullivan, Jason P, Vittinghoff, Eric, Barger, Laura K, Sanderson, Amy L, Wright, Kenneth P, O’Brien, Conor S, Qadri, Salim, St. Hilaire, Melissa A, Halbower, Ann C, Segar, Jeffrey L, McGuire, John K, Vitiello, Michael V, de la Iglesia, Horacio O, Poynter, Sue E, Yu, Pearl L, Zee, Phyllis C, Lockley, Steven W, Stone, Katie L, Czeisler, Charles A

“…In a cluster-randomized trial involving resident physicians working in pediatric ICUs, resident physicians were randomly assigned to schedules that included…”
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Supplementation of ambient lighting with a task lamp improves daytime alertness and cognitive performance in sleep-restricted individuals by Grant, Leilah K, Crosthwaite, Phoebe C, Mayer, Matthew D, Wang, Wei, Stickgold, Robert, St. Hilaire, Melissa A, Lockley, Steven W, Rahman, Shadab A

“…Abstract Study Objectives We examined the impact of adding a single-high-melanopic-illuminance task lamp in an otherwise low-melanopic-illuminance environment…”
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Melanopsin and rod-cone photoreceptors play different roles in mediating pupillary light responses during exposure to continuous light in humans by Gooley, Joshua J, Ho Mien, Ivan, St Hilaire, Melissa A, Yeo, Sing-Chen, Chua, Eric Chern-Pin, van Reen, Eliza, Hanley, Catherine J, Hull, Joseph T, Czeisler, Charles A, Lockley, Steven W

“…In mammals, the pupillary light reflex is mediated by intrinsically photosensitive melanopsin-containing retinal ganglion cells that also receive input from…”
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Modeling Neurocognitive Decline and Recovery During Repeated Cycles of Extended Sleep and Chronic Sleep Deficiency by St. Hilaire, Melissa A., Rüger, Melanie, Fratelli, Federico, Hull, Joseph T., Phillips, Andrew J. K., Lockley, Steven W.

“…Abstract Study Objectives: Intraindividual night-to-night sleep duration is often insufficient and variable. Here we report the effects of such chronic…”
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Desynchronizing the sleep­­–wake cycle from circadian timing to assess their separate contributions to physiology and behaviour and to estimate intrinsic circadian period by Wang, Wei, Yuan, Robin K., Mitchell, Jude F., Zitting, Kirsi-Marja, St. Hilaire, Melissa A., Wyatt, James K., Scheer, Frank A. J. L., Wright, Kenneth P., Brown, Emery N., Ronda, Joseph M., Klerman, Elizabeth B., Duffy, Jeanne F., Dijk, Derk-Jan, Czeisler, Charles A.

“…Circadian clocks drive cyclic variations in many aspects of physiology, but some daily variations are evoked by periodic changes in the environment or…”
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Dynamic lighting schedules to facilitate circadian adaptation to shifted timing of sleep and wake by Rahman, Shadab A., St. Hilaire, Melissa A., Grant, Leilah K., Barger, Laura K., Brainard, George C., Czeisler, Charles A., Klerman, Elizabeth B., Lockley, Steven W.

“…Circadian adaptation to shifted sleep/wake schedules may be facilitated by optimizing the timing, intensity and spectral characteristics of light exposure,…”
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Publisher Correction: Circadian lipid and hepatic protein rhythms shift with a phase response curve different than melatonin by Kent, Brianne A., Rahman, Shadab A., St. Hilaire, Melissa A., Grant, Leilah K., Rüger, Melanie, Czeisler, Charles A., Lockley, Steven W.

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Understanding the Thermal Regime of Rivers Influenced by Small and Medium Size Dams in Eastern Canada by Maheu, A., St-Hilaire, A., Caissie, D., El-Jabi, N.

“…Although small and medium‐size dams are prevalent in North America, few studies have described their year‐round impacts on the thermal regime of rivers. The…”
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Impact of Common Diabetes Risk Variant in MTNR1B on Sleep, Circadian, and Melatonin Physiology by Lane, Jacqueline M, Chang, Anne-Marie, Bjonnes, Andrew C, Aeschbach, Daniel, Anderson, Clare, Cade, Brian E, Cain, Sean W, Czeisler, Charles A, Gharib, Sina A, Gooley, Joshua J, Gottlieb, Daniel J, Grant, Struan F A, Klerman, Elizabeth B, Lauderdale, Diane S, Lockley, Steven W, Munch, Miriam, Patel, Sanjay, Punjabi, Naresh M, Rajaratnam, Shanthakumar M W, Rueger, Melanie, St Hilaire, Melissa A, Santhi, Nayantara, Scheuermaier, Karin, Van Reen, Eliza, Zee, Phyllis C, Shea, Steven A, Duffy, Jeanne F, Buxton, Orfeu M, Redline, Susan, Scheer, Frank A J L, Saxena, Richa

“…The risk of type 2 diabetes (T2D) is increased by abnormalities in sleep quantity and quality, circadian alignment, and melatonin regulation. A common genetic…”
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Extended Work Shifts and Neurobehavioral Performance in Resident-Physicians by Rahman, Shadab A, Sullivan, Jason P, Barger, Laura K, St Hilaire, Melissa A, O'Brien, Conor S, Stone, Katie L, Phillips, Andrew J K, Klerman, Elizabeth B, Qadri, Salim, Wright, Jr, Kenneth P, Halbower, Ann C, Segar, Jeffrey L, McGuire, John K, Vitiello, Michael V, de la Iglesia, Horacio O, Poynter, Sue E, Yu, Pearl L, Sanderson, Amy L, Zee, Phyllis C, Landrigan, Christopher P, Czeisler, Charles A, Lockley, Steven W

“…Extended-duration work rosters (EDWRs) with shifts of 24+ hours impair performance compared with rapid cycling work rosters (RCWRs) that limit shifts to 16…”
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A classification approach to estimating human circadian phase under circadian alignment from actigraphy and photometry data by Brown, Lindsey S., St. Hilaire, Melissa A., McHill, Andrew W., Phillips, Andrew J. K., Barger, Laura K., Sano, Akane, Czeisler, Charles A., Doyle, Francis J., Klerman, Elizabeth B.

“…The time of dim light melatonin onset (DLMO) is the gold standard for circadian phase assessment in humans, but collection of samples for DLMO is time and…”
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An Exploration of the Temporal Dynamics of Circadian Resetting Responses to Short- and Long-Duration Light Exposures: Cross-Species Consistencies and Differences by Kronauer, Richard E., St. Hilaire, Melissa A., Rahman, Shadab A., Czeisler, Charles A., Klerman, Elizabeth B.

“…Light is the most effective environmental stimulus for shifting the mammalian circadian pacemaker. Numerous studies have been conducted across multiple species…”
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Caffeine does not entrain the circadian clock but improves daytime alertness in blind patients with non-24-hour rhythms by St. Hilaire, Melissa A, Lockley, Steven W

“…Highlights • Most totally blind individuals have Non-24-Hour Sleep–Wake Disorder (N24HSWD). • Optimal treatment should reset the underlying non-entrained…”
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Time of Day and Sleep Deprivation Effects on Risky Decision Making by Ruiz-Herrera, Noelia, Friedman, Mia, St Hilaire, Melissa A, Arrona-Palacios, Arturo, Czeisler, Charles A, Duffy, Jeanne F

“…Previous research has revealed that daily variations in human neurobehavioral functions are driven in part by the endogenous circadian system. The objective of…”
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DAILY AVERAGED 2D WATER TEMPERATURE MODEL FOR THE ST. LAWRENCE RIVER by Ouellet, V, Secretan, Y, St‐Hilaire, A, Morin, J

“…A daily averaged two‐dimensional water temperature model has been developed for the freshwater part of the St. Lawrence River, between Lake St. Louis and…”
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Relationship between melatonin and bone resorption rhythms in premenopausal women by St Hilaire, Melissa A., Rahman, Shadab A., Gooley, Joshua J., Witt-Enderby, Paula A., Lockley, Steven W.

“…Although evidence exists for a daily rhythm in bone metabolism, the contribution of factors such as melatonin levels, the light–dark cycle, and the sleep–wake…”
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Do habitat measurements in the vicinity of Atlantic salmon (Salmo salar) parr matter? by Mocq, J., St‐Hilaire, A., Cunjak, R. A.

“…Atlantic salmon, Salmo salar L., parr habitat characterisation is usually performed by in situ measures of key environmental variables taken at the exact fish…”
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