1984
DOI: 10.1016/0031-9384(84)90292-0
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Diurnal cycle of mother-young contact in Norway rats☆

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Cited by 26 publications
(10 citation statements)
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“…It could be argued that the present analysis of maternal behaviour is limited, because, and in contrast to other studies (Champagne et al 2003), it is based on a single observation at a single time point during lactation. However, pups are heavily dependent on the mother around that time (Pachon, McGuire, and Rasmussen 1995) and dams show a particular high intensity of maternal behaviour during the light phase (Leon et al 1984;Grota and Ader 1969;Ader and Grota 1970). In addition, some exposure time to enrichment would be required to exert any effect at all.…”
Section: Discussionmentioning
confidence: 99%
“…It could be argued that the present analysis of maternal behaviour is limited, because, and in contrast to other studies (Champagne et al 2003), it is based on a single observation at a single time point during lactation. However, pups are heavily dependent on the mother around that time (Pachon, McGuire, and Rasmussen 1995) and dams show a particular high intensity of maternal behaviour during the light phase (Leon et al 1984;Grota and Ader 1969;Ader and Grota 1970). In addition, some exposure time to enrichment would be required to exert any effect at all.…”
Section: Discussionmentioning
confidence: 99%
“…The mechanism is unknown, but cannot be a simple neural circuit since rats do not suckle and eat at the same time. Indeed, there is an asynchrony in that while rats suckle their young throughout the day and night, the peak period is during the first half of the light period [20,32], whereas they consume about 70 % of their food at night [16 ± 19]. It is possible that some region of the hypothalamus (perhaps the PVN) or elsewhere in the brain collates the suckling signals over a period and then adjusts appetite accordingly.…”
Section: Hyperphagia Of Lactation: the Role Of Leptinmentioning
confidence: 99%
“…The temperature of lactating rats has a diurnal cycle, with the peak occurring during the night and the trough occurring during the day (Leon, Adels, Coopersmith, & Woodside, 1984). Mother rats also have long been known to have a daily cycle in the amount of time that they spend with their young.…”
Section: Control Of the Chronically High Maternal Heat Loadmentioning
confidence: 99%