During specific rapid eye movement (REM) sleep deprivation its homeostatic regulation is expressed by progressively more frequent attempts to enter REM and by a compensatory rebound after the deprivation ends. The buildup of pressure to enter REM may be hypothesized to depend just on the time elapsed without REM or to be differentially related to non-REM (NREM) and wakefulness. This problem bea...

The number of studies performed with the platform technique has increased over the last decennium and it is likely that the simplicity and cheapness of the technique together with an ignorance for the older debates in the literature are the reasons for this increase. An overview of publications from 1990 till 2000 shows 42 papers in which REM sleep deprivation in rats was performed by the platf...

A computer-based system that automates sleep studies, including sleep deprivation paradigms, is described. The system allows for total or REM-specific sleep deprivation and is based on a reliable, fast-responding, on-line state detection algorithm linked to a dependable intervention device. Behavioral state detection is achieved by dimension reduction of short-term EEG power spectrum. Intervent...

conclusions the role of exercise is greater in the retention than the acquisition phase for recalling past experiences. background stress induced by sleep deprivation can cause degradation of learning in the acquisition phase, and low-intensity exercise can prevent the negative effects of stress. results the results showed that, after seven days of aerobic exercise on a treadmill, the experimen...

Abstract Sleep states in infancy differ from adult sleep states. Due to different cortical and physical manifestations, the REM NREM equivalent infants are often denoted as Active Quiet sleep. Key differences infant REM-NREM cycling include rapid cycling, commencement of state, instead NREM. The physiological mechanisms underlying developmental changes not well understood. We extended an existi...

DISTURBED SLEEP IS A FREQUENT COMPLAINT OF PEOPLE EXPERIENCING ACUTE AND CHRONIC PAIN. OBJECTIVE ELECTROPHYSIOLOGIC STUDIES OF sleep in surgery patients with acute pain have documented reductions in sleep and rapid eye movement (REM) sleep time, frequent brief arousals, and also longer awakenings during 1 to 6 days of postsurgical recovery.1-7 Any number of confounding factors, including the sl...

STUDY OBJECTIVES The aim of this study was to investigate the issue of whether REM sleep is involved in implicit learning through the cerebellum-related neural circuit via the use of classical eyeblink conditioning (CEC). DESIGN Subjects were divided into three groups: control (sleep without interruption), REM sleep deprivation (RD), and slow wave sleep (stage 3+4) deprivation (SD). The CEC w...

In selective REM sleep deprivation (SRSD), the occurrence of stage REM is repeatedly interrupted by short awakenings. Typically, the interventions aggregate in clusters resembling the REM episodes in undisturbed sleep. This salient phenomenon can easily be explained if the nonREM-REM sleep process is continued during the periods of forced wakefulness. However, earlier studies have alternatively...

We sought to examine the possible participation of dopaminergic receptors in the phasic events that occur during rapid eye movement (REM) sleep, known as sawtooth waves (STW). These phasic phenomena of REM sleep exhibit a unique morphology and, although they represent a characteristic feature of REM sleep, little is known about the mechanisms which generate them and which are apparently differe...

Homeostatic rebound in rapid eye movement (REM) sleep normally occurs after acute sleep deprivation, but REM sleep rebound settles on a persistently elevated level despite continued accumulation of REM sleep debt during chronic sleep restriction (CSR). Using high-density EEG in mice, we studied how this pattern of global regulation is implemented in cortical regions with different functions and...