Seasonal variation in myocardial infarction is limited to patients with ST-elevations on admission.

abstract：:Facebook has become the most popular social networking site round the world. In seeking an explanation for this phenomenon, individual differences in circadian functioning seem to be an interesting issue. The main aim of this study was to examine the potential associations between morningness/eveningness and Facebook ...

journal_title：Chronobiology international

authors： Blachnio A,Przepiorka A,Díaz-Morales JF

更新日期：2015-01-01 00:00:00

abstract：:The course of swelling after maxillo-facial surgery was investigated by measuring the distance from the tragus to the pogonium. The post-surgical swelling does not diminish continuously, but decreases in a circaseptan periodic mode. The reactive periodicity is preferentially induced not by the injury, but by the surgi...

journal_title：Chronobiology international

authors： Pöllmann L

更新日期：1984-01-01 00:00:00

abstract：:The increased prevalence of circadian disruptions due to abnormal coupling between internal and external time makes the detection of circadian phase in humans by ambulatory recordings a compelling need. Here, we propose an accurate practical procedure to estimate circadian phase with the least possible burden for the ...

journal_title：Chronobiology international

authors： Bonmati-Carrion MA,Middleton B,Revell V,Skene DJ,Rol MA,Madrid JA

更新日期：2014-02-01 00:00:00

abstract：:The validity of a commercially available wearable device for measuring total sleep time was examined in a sample of well-trained young athletes during night-time sleep periods and daytime naps. Participants wore a FitBit HR Charge on their non-dominant wrist and had electrodes attached to their face and scalp to enabl...

journal_title：Chronobiology international

authors： Sargent C,Lastella M,Romyn G,Versey N,Miller DJ,Roach GD

更新日期：2018-06-01 00:00:00

abstract：:The construction of time-specified reference limits requires systematic sampling in clinical health, particularly for those variables characterized by a circadian rhythm of large amplitude, as it is the case for blood pressure (BP). For the detection of false negatives, tolerance intervals (limits that will include at...

journal_title：Chronobiology international

authors： Fernändez JR,Hermida RC

更新日期：2000-07-01 00:00:00

abstract：:A preliminary study was conducted to evaluate the change in nocturnal concentrations of testosterone, luteinizing hormone, growth hormone, prolactin, thyroxine, and cortisol following a control day (no exercise) and on a day in which exercise was performed. Exercise consisted of 90 min of cycling at 70% of each subjec...

journal_title：Chronobiology international

authors： Hackney AC,Ness RJ,Schrieber A

更新日期：1989-01-01 00:00:00

abstract：:Two different medications, one assumed to be a tranquilizer and the other an antifatigue agent, were tested. Both were found to be ineffective and thus were viewed as placebos and named P1 and P2. The effect of P1 and P2 on the circadian rhythms of a set of variables (e.g., sleep/wake, oral temperature and grip streng...

journal_title：Chronobiology international

authors： Reinberg AE,Bicakova-Rocher A,Gorceix A,Ashkenazi IE,Smolensky MH

更新日期：1994-02-01 00:00:00

abstract：:In the current study, we studied behavioral patterns, such as foraging, activity, standing, and laying in a population of cattle wandering on streets of Raipur city. We also determined the effects of four environmental factors (temperature, humidity, light, and noise intensities) on these behaviors. We recorded all fo...

journal_title：Chronobiology international

authors： Sahu BK,Parganiha A,Pati AK

更新日期：2019-10-01 00:00:00

abstract：:Physiological and biomechanical constraints as well as their fluctuations throughout the day must be considered when studying determinant factors in the preferred pedaling rate of elite cyclists. The aim of this study was to monitor the diurnal variation of spontaneous pedaling rate and movement kinematics over the cr...

journal_title：Chronobiology international

authors： Moussay S,Bessot N,Gauthier A,Larue J,Sesboüe B,Davenne D

更新日期：2003-09-01 00:00:00

abstract：:Dysregulation of the system of nitric oxide (NO)-cyclic 3',5'-guanosine monophosphate (cGMP) might be involved in the development of hypertension in transgenic hypertensive TGR(mREN2)27 (TGR) rats. The present study was performed to determine possible differences in the day-night pattern and the urinary excretion rate...

journal_title：Chronobiology international

authors： Globig S,Witte K,Lemmer B

更新日期：1999-05-01 00:00:00

abstract：:Good sleep hygiene practices, including consistent bedtimes and 7-9 h of sleep/night, are theorized to benefit educational learning. However, individuals differ in how much sleep they need, as well as in their chronotype preference. Therefore, some students may be more vulnerable to the cognitive effects of sleep loss...

journal_title：Chronobiology international

authors： Gao C,Terlizzese T,Scullin MK

更新日期：2019-03-01 00:00:00

abstract：:A synopsis of the effects of exercise on the circadian system in nocturnal rodents is followed by a review of the few studies investigating the influence of exercise on the human circadian system. It is premature to make specific recommendations about using exercise to promote synchronization in people because of the ...

journal_title：Chronobiology international

authors： Redlin U,Mrosovsky N

更新日期：1997-03-01 00:00:00

abstract：:The circadian rhythms of food and water consumption, the number of feeding and drinking episodes, oxygen consumption, carbon dioxide production, respiratory quotient, gross motor activity, and body temperature were measured in male B6C3F1 mice that were fed ad libitum (AL) or fed a caloric-restricted diet (CR). The CR...

journal_title：Chronobiology international

authors： Duffy PH,Feuers RJ,Hart RW

更新日期：1990-01-01 00:00:00

abstract：:The objectives of the study were to investigate the associations between night work and disability pension (DP) due to all causes, cardiovascular (CVD), mental, and other diagnoses, adjusting for familial confounding. The material of the study included comprehensive survey data on 27 165 Swedish twins born in 1935-195...

journal_title：Chronobiology international

authors： Ropponen A,Narusyte J,Mather L,Mittendorfer-Rutz E,Åkerstedt T,Svedberg P

更新日期：2018-02-01 00:00:00

abstract：:Nineteen adult cancer patients each received 6-10 monthly treatments of doxorubicin and cisplatin. For 24-30 hr before each treatment, recumbent pulse was measured. Treatment was stopped for disease progression or when a total doxorubicin dose of 550 mg/m2 was reached. No patient developed congestive heart failure (CH...

journal_title：Chronobiology international

authors： Hrushesky WJ,Vukelich M

更新日期：1984-01-01 00:00:00

abstract：:Circadian changes in activities and electrophoretic pattern of the intestinal brushborder enzymes alkaline phosphatase (EC 3.1.3.1), isomaltase (EC 3.2.1.10) and sucrase (EC 3.2.1.26) of normal rats and of rats with a lesion of the dorsomedial hypothalamus (DMH-rats) were studied. In contrast to the rhythm found in no...

journal_title：Chronobiology international

authors： Hekkens WT,van Rijn PA,Lukac-Bajalo J,Ungerer R,Rietveld WJ

更新日期：1985-01-01 00:00:00

abstract：:The present research aimed to investigate in a model of teleost fish (rainbow trout) the existence of daily changes in activity and mRNA abundance of several proteins involved in major pathways of carbohydrate and lipid metabolism in liver, and to test whether or not both the light-dark cycle and food availability mig...

journal_title：Chronobiology international

authors： Hernández-Pérez J,Míguez JM,Librán-Pérez M,Otero-Rodiño C,Naderi F,Soengas JL,López-Patiño MA

更新日期：2015-01-01 00:00:00

abstract：:The pineal hormone melatonin is potentially useful in the treatment of disorders, especially sleep disorders, associated with circadian rhythm disturbance. We have examined its effects on sleep, mood, and behaviour in a double-blind, placebo-controlled study of a small group of police officers working spans of seven s...

journal_title：Chronobiology international

authors： Folkard S,Arendt J,Clark M

更新日期：1993-10-01 00:00:00

abstract：:The effect of varying the dose-delivery time within a 24 h period (12:12 light-dark cycle) on the immunomodulatory properties of corn oil administered by gavage to 120 B6C3F1 female mice was investigated. Mice, housed in six separate boxes equipped with timers to regulate light onset and offset (staggered by 4 h incre...

journal_title：Chronobiology international

authors： Ratajczak HV,Sothern RB,Dozier MM,Gaworski CL

更新日期：1999-03-01 00:00:00

abstract：:Eveningness and sleep disturbances are considered as markers of Bipolar Disorder (BD) and influence mood and emotional or behavioral states. This study investigates the associations between circadian markers and sleep quality on residual depressive symptoms and inhibition/activation dimensions during the euthymic phas...

journal_title：Chronobiology international

authors： Caruso D,Meyrel M,Krane-Gartiser K,Benard V,Benizri C,Brochard H,Geoffroy PA,Gross G,Maruani J,Prunas C,Yeim S,Palagini L,Dell'Osso L,Leboyer M,Bellivier F,Etain B

更新日期：2020-01-01 00:00:00

abstract：:Although daily rhythms regulate multiple aspects of human physiology, rhythmic control of the metabolome remains poorly understood. The primary objective of this proof-of-concept study was identification of metabolites in human plasma that exhibit significant 24-h variation. This was assessed via an untargeted metabol...

journal_title：Chronobiology international

authors： Ang JE,Revell V,Mann A,Mäntele S,Otway DT,Johnston JD,Thumser AE,Skene DJ,Raynaud F

更新日期：2012-08-01 00:00:00

abstract：:The degu (Octodon degus) is a diurnal rodent, although phase inversions to nocturnal behavior have been reported under specific laboratory conditions. The reliability of this animal as a diurnal model of sleep therefore requires further characterization of intrinsic circadian pacemaker properties. A phase response cur...

journal_title：Chronobiology international

authors： Morris LG,Tate BA

更新日期：2007-01-01 00:00:00

abstract：:Dysfunctional regulation of brain dopamine (DA) functions has been found in patients with drug addiction and various neurological disorders that frequently accompany disturbance in sleep behavior. In this study, the roles of the dopaminergic nervous system on the regulation of daily locomotor activity rhythm were inve...

journal_title：Chronobiology international

authors： Lee G,Kikuno K,Bahn JH,Kim KM,Park JH

更新日期：2013-05-01 00:00:00

abstract：:Changes in the free-running period of the circadian rhythms of hamsters occur after single nonphotic events such as a 3-h pulse of running induced by being put in a novel wheel. These changes are mostly in the direction of longer periods, and can exceed 0.2 h; the magnitude of the effect depends on the circadian phase...

journal_title：Chronobiology international

authors： Mrosovsky N

更新日期：1993-08-01 00:00:00

abstract：:Performance alterations in executive function have been studied as potential endophenotypes for several neuropsychiatric diseases. Planning is an important component of executive function and has been shown to be affected in diseases such as attention deficit hyperactivity disorder, schizophrenia, obsessive-compulsive...

journal_title：Chronobiology international

authors： González-Giraldo Y,González-Reyes RE,Mueller ST,Piper BJ,Adan A,Forero DA

更新日期：2015-06-01 00:00:00

abstract：:The specific circadian role proposed for endogenous melatonin production was based on a study of sighted people who took low pharmacological doses (500 microg) of this chemical signal for the "biological night": the magnitude and direction of the induced phase shifts were dependent on what time of day exogenous melato...

journal_title：Chronobiology international

authors： Lewy AJ,Emens JS,Lefler BJ,Yuhas K,Jackman AR

更新日期：2005-01-01 00:00:00

abstract：:Previously, we have demonstrated the postembryonic development of chicken (Gallus gallus domesticus L.) pineal gland functions expressed as changes in melatonin (MEL) biosynthesis. Pineal concentrations of MEL and its precursor serotonin (5-HT) were shown to increase between the 2nd and 16th day of life. We also found...

journal_title：Chronobiology international

authors： Piesiewicz A,Kedzierska U,Turkowska E,Adamska I,Majewski PM

更新日期：2015-02-01 00:00:00

abstract：:Previous studies have reported sex differences in the pathophysiology of hypertension and responses to blood pressure (BP)-lowering medications. Moreover, men exhibit typically higher BP than women, the differences being greater for systolic (SBP) than diastolic (DBP) BP. These differences become apparent during adole...

journal_title：Chronobiology international

authors： Hermida RC,Ayala DE,Mojón A,Fontao MJ,Chayán L,Fernández JR

更新日期：2013-03-01 00:00:00

abstract：:The 10 min psychomotor vigilance task (PVT) is commonly used in laboratory studies to assess the impact of sleep loss, sustained wakefulness, and/or time of day on neurobehavioral performance. In field settings, though, it may be impractical for participants to perform a test of this length. The aim of this study was ...

journal_title：Chronobiology international

authors： Roach GD,Dawson D,Lamond N

更新日期：2006-01-01 00:00:00

abstract：:Sleep-related problems, such as symptoms of insomnia, daytime sleepiness, shorter sleep duration, or a delayed sleep-wake schedule, are known to be risk factors for depression. In general, depression is more prevalent in women than in men, but sleep-related problems do not necessarily show similar gender predominance....

journal_title：Chronobiology international

authors： Morita Y,Sasai-Sakuma T,Asaoka S,Inoue Y

更新日期：2015-01-01 00:00:00