Biphasic
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A biphasic system is one which has two phases.
- In chemistry, when oil and water are poured into a beaker, they form a biphasic system. See mixtures.
- In chronobiology, biphasic sleep refers to a nap or siesta in addition to the usual sleep episode at night. Monophasic sleep means just one sleep episode per day.
- In psychiatry it may refer to a sigmoidal curve that goes downward as the axis increases because a competing behavior is impeding. This competing behavior is called stereotypy. Stereotypy is when an individual or an animal do simple tasks over and over (ex: experimental rat making circles for several hours).
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