sentence: Special adaptations exists to research sleep, for example the length of sleep rhythms.
sentences_before: Electroencephalography' is a way to record certain patterns of brain activity, on the skin of the head. Nerve cells use electricity to transmit information. It is one of the methods of diagnosis which can be used for conditions that affect the nerves. An 'electroencephalogram' is a recorded electroencephalography. Electorencephalography is used to detect epilepsy, coma, sleep and brain death.
sentences_after: Sleep occurs in different phases, the specially adapted EEG can show the length of these phases.
concept_name: special adaptation
headings: Electroencephalography
categories: Neurology Medical imaging