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Delta Sleep are a British math rock band, formed in 2010 in Canterbury, Kent. They are currently based in Brighton and consist of Devin Yüceil on guitar and vocals, Glen Hodgson on guitar, Dave Jackson on bass and Blake Mostyn on drums. They have so far released 4 EPs and 4 albums.
Slow-wave sleep (SWS), often referred to as deep sleep, is the third stage of non-rapid eye movement sleep (NREM), where electroencephalography activity is characterised by slow delta waves. [2] Slow-wave sleep usually lasts between 70 and 90 minutes, taking place during the first hours of the night. [3]
Alpha waves. Alpha waves, or the alpha rhythm, are neural oscillations in the frequency range of 8–12 Hz [1] likely originating from the synchronous and coherent ( in phase or constructive) electrical activity of thalamic pacemaker cells in humans. Historically, they are also called "Berger's waves" after Hans Berger, who first described them ...
Sleep stages are characterized by spectral content of EEG: for instance, stage N1 refers to the transition of the brain from alpha waves (common in the awake state) to theta waves, whereas stage N3 (deep or slow-wave sleep) is characterized by the presence of delta waves. The normal order of sleep stages is N1 → N2 → N3 → N2 → REM.
Sleep is an American stoner/doom metal band from San Jose, California. Guitarist Matt Pike and bassist and vocalist Al Cisneros have been the only constant members throughout the band's history. Critic Eduardo Rivadavia describes them as "perhaps the ultimate stoner rock band" [1] and notes they exerted a strong influence on metal in the 1990s.
Theta wave. Theta waves generate the theta rhythm, a neural oscillation in the brain that underlies various aspects of cognition and behavior, including learning, memory, and spatial navigation in many animals. [1] [2] It can be recorded using various electrophysiological methods, such as electroencephalogram (EEG), recorded either from inside ...
Epileptic spike and wave discharges monitored EEG. [ edit on Wikidata] Electroencephalography ( EEG) is a method to record an electrogram of the spontaneous electrical activity of the brain. The biosignals detected by EEG have been shown to represent the postsynaptic potentials of pyramidal neurons in the neocortex and allocortex. [1]
Gamma waves. A gamma wave or gamma rhythm is a pattern of neural oscillation in humans with a frequency between 25 and 140 Hz, the 40 Hz point being of particular interest. [1] Gamma rhythms are correlated with large-scale brain network activity and cognitive phenomena such as working memory, attention, and perceptual grouping, and can be ...