How do albino rats differ from pigmented rats? - Rat Behavior
Albino rats have different systems involved in regulating sleep-waking patterns and REM sleep responses to light. Albino rats spend more of their REM sleep in the dark, while pigmented rats …
Dim light at night disturbs the daily sleep-wake cycle in the rat …
2016年10月20日 · Exposure to light at night (LAN) is associated with insomnia in humans. Light provides the main input to the master clock in the hypothalamic suprachiasmatic nucleus …
Aging and sleep in the albino rat - ScienceDirect
1972年2月1日 · The most relevant study in this respect (Smielkova and Svorad, 1967) found that 14-day-old and 19-month-old albino rats slept equal amounts of time, although the REM sleep …
Daytime sleep-wake cycle in the rat - ScienceDirect
1978年9月1日 · The daytime sleep-wake cycle of 20 male, albino rats was observed for a 8:00 a.m. to 8:00 p.m. period. EEG, EMG, gross body movement and eyelid position were …
Sleep Patterns in Rats - SpringerLink
Today, the most widely used experimental animal is the albino rat, selected at the Wistar Institute of Philadelphia, whose fur is entirely white (hence the name albino rat or the Wistar rat). This …
Aging and sleep in the albino rat - ScienceDirect
1972年2月1日 · One possibility for the reduced sleep drive with age is that sleep–wake active neurons may be stimulated less as a result of a decline in endogenous sleep factors. Here, we …
albino rat, selected at the Wistar Institute of Philadelphia, whose fur is entirely white (hence the name albino rat or the Wistar rat ). This strain, called Rattus norvegicus albinus , is …
Normal Sleep Cycle of Male Albino Rats | Semantic Scholar
This study was designed to investigate the standard indices concerning the normal sleep cycle of albino rats during 24 hours and distinguished four states-hyper vigilance, arousal, slow wave …
Aging and sleep in the albino rat. - Semantic Scholar
Aging and sleep in the albino rat. Age-related changes in sleep in the rat. There were significant age-related reductions in high-voltage NREM sleep ("HS2"), the mean length of sleep bouts, …
Sleep Patterns in Rats | Request PDF - ResearchGate
2016年1月1日 · The sleep of 60 Wistar albino rats was studied with chronically implanted electrodes to record the electrocorticogram (ECoG), the cervical electromyogram, and eye …