Daniel R S Taylor

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The master circadian clock located within the hypothalamic suprachiasmatic nucleus (SCN) is necessary for the circadian rhythm of glucocorticoid (GC) release. The pathways by which the SCN sustains rhythmic GC release remain unclear. We studied the circadian regulation of cortisol release in the behaviorally split golden hamster, in which the single bout of(More)
3 Summary To assess reliability of simulated sprint-distance triathlon seven non-elite, male triathletes completed three trials (750 m swim, 20 km bike, 5 km run), using a 25 m pool, an electromagnetically braked cycle ergometer and motorised treadmill. Total times (h, min and s) total performance time was 2.7% between trials 1&2 (CI = 1.7-6.0) and 2.3%(More)
OBJECTIVE This study examined how residual fatigue affects the relationship between ratings of perceived exertion (RPE), physiological responses, and pacing during triathlon performance. METHODS Eight male triathletes completed a sprint-distance triathlon (750m swim, 20kmcycle and 5km run) and isolated 5km run on separate days. RPE, core temperature(More)
In experiment 1, electrical stimulation of the posterior hippocampus was shown to produce state-dependent learning (SDL) for a step-out inhibitory avoidance task in rats. Stimulation sites in either the right or left hippocampus were equally effective in producing this effect. Similarly, the presence or absence of afterdischarge (AD) following the(More)
PURPOSE To assess the role of binocular infrared dynamic pupillometry in measuring and recording the pupil size in scotopic, low mesopic, and high mesopic illumination prior to refractive surgery. SETTING The Rosen Eye Surgery Centre, Alexandra Hospital Victoria Park, Manchester, United Kingdom. METHODS In this prospective study, the pupil sizes of 58(More)
OBJECTIVE This study examined the effects of speed deception on performance, physiological and perceptual responses, and pacing during sprint-distance triathlon running. METHODS Eight competitive triathletes completed three simulated sprint-distance triathlons (0.75 km swim, 20 km bike, 5 km run) in a randomised order, with swimming and cycling sections(More)
One-way and two-way mixed lymphocyte reactions (MLRs) between 65 cadaveric renal allograft recipients (R) and their specific-donor (D) and pooled third-party (P) cells were measured using a 5-day assay. There was no correlation between the results expressed as stimulation index, absolute counts, or the relative response and graft survival in transfused(More)
BACKGROUND Binocular infrared pupillometry allows an estimate of the relative afferent pupillary defect (RAPD), designated the pupillometric RAPD (pRAPD). We calibrated the pRAPD of a commercially available pupillometer against neutral density filters (NDFs) of known attenuation. The performance of the pupillometer using its own proprietary algorithm is(More)
Introduction: It has been suggested that unique relationships exist between perceived exertion, pacing and physiological responses during triathlon (Parry et al., 2011). However, research to date has not clearly established how the interaction of these factors is affected by residual physiological fatigue, particularly during running performance over(More)
The influence of genotypes of the major histocompatibility complex (MHC) on susceptibility to acute and delayed effects of an organophosphorus ester was measured in adult White Leghorn chickens from lines differing in response to sheep red blood cell (SRBC) antigen. Chickens from lines selected for high (HA) or low (LA) antibody response to SRBC and(More)