2018
DOI: 10.1111/ejn.14172
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Circadian and photic modulation of daily rhythms in diurnal mammals

Abstract: The temporal niche that an animal occupies includes a coordinated suite of behavioral and physiological processes that set diurnal and nocturnal animals apart. The daily rhythms of the two chronotypes are regulated by both the circadian system and direct responses to light, a process called masking. Here we review the literature on circadian regulations and masking responses in diurnal mammals, focusing on our work using the diurnal Nile grass rat (Arvicanthis niloticus) and comparing our findings with those d… Show more

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Cited by 51 publications
(39 citation statements)
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References 157 publications
(213 reference statements)
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“…Mohawk and Lee () have shown that stress slows down re‐entrainment after a 6‐hr phase advance jetlag protocol in both, degus , a diurnal rodent, and the nocturnal rat. Such a comparative approach using both diurnal and nocturnal species to this question is advantageous as it allows to identify universal mechanisms of entrainment across temporal niches (see Yan, Smale, & Nunez, , for a recent review).…”
Section: Metrics and Protocolsmentioning
confidence: 99%
“…Mohawk and Lee () have shown that stress slows down re‐entrainment after a 6‐hr phase advance jetlag protocol in both, degus , a diurnal rodent, and the nocturnal rat. Such a comparative approach using both diurnal and nocturnal species to this question is advantageous as it allows to identify universal mechanisms of entrainment across temporal niches (see Yan, Smale, & Nunez, , for a recent review).…”
Section: Metrics and Protocolsmentioning
confidence: 99%
“…In fact, this is not particularly surprising if we consider that experiments were conducted in animal models of different nocturnal species and distinct age groups. The circadian clock establishes rhythms that are species-dependent and environmental parameters such as temperature, light, and humidity might also cause changes in the synchronization of the clock system [36]. Despite this idea, the factors that change the circadian patterns among different species have not been systematically explored.…”
Section: Discussionmentioning
confidence: 99%
“…Such mechanisms may be important not only in regulating sleep/wake and CNS pacemaker neuron synchrony but also in determining day versus night differences in output from SCN to metabolic and sleep-regulating regions (Tabuchi et al 2018). One of the main features of the SCN is increased daytime light-induced neuronal firing regardless of whether a species is day-or night-active (Yan et al 2018). Differences in circadian output could therefore involve differences in how circadian temporal codes from the SCN or interneurons are read by downstream neurons driving behavioral and physiological outputs.…”
Section: Entrainment Of Central Pacemaker Rhythms Through Camp and Immentioning
confidence: 99%