We propose a model of the human circadian system. The sleep-wake and body temperature
rhythms are assumed to be driven by a pair of coupled nonlinear oscillators described by …

As long as the need for shiftwork exists, so will the demand for an optimal scheduling
strategy that balances the needs of both industry and the shiftworker. One aim is for …

A microcomputer-based system is described that detects, counts and stores cortical delta
and sigma waves, hippocampal theta waves and electromyographic activities in the rat by …

Psychiatric disorders such as unipolar depression have complex pathologies, which include
disruptions in circadian and sleep-wake cycles. At the neurochemical level, psychiatric …

The eye of the mollusk Bulla gouldiana contains a pacemaker used in studies of the cellular
basis of circadian rhythmicity. The pacemaker, which is believed to be composed of a …