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Unconsciousness may occur as the result of traumatic brain injury, brain hypoxia (inadequate oxygen, possibly due to a brain infarction or cardiac arrest), severe intoxication with drugs that depress the activity of the central nervous system (e.g., alcohol and other hypnotic or sedative drugs), severe fatigue, pain, anaesthesia, and other causes.
In medicine, a coma (from the Greek κῶμα koma, meaning deep sleep) is a state of unconsciousness, lasting more than six hours in which a person cannot be awakened, fails to respond normally to painful stimuli, light, sound, lacks a normal sleep-wake cycle and does not initiate voluntary actions.
Modern dictionary definitions of the word consciousness evolved over several centuries and reflect a range of seemingly related meanings, with some differences that have been controversial, such as the distinction between inward awareness and perception of the physical world, or the distinction between conscious and unconscious, or the notion ...
A coma is a deep state of prolonged unconsciousness in which a person cannot be awakened, fails to respond normally to painful stimuli, light, or sound, lacks a normal wake–sleep cycle and does not initiate voluntary actions. [1]
Prolonged unconsciousness is understood to be a sign of a medical emergency. [3] A deficit in the level of consciousness suggests that both of the cerebral hemispheres or the reticular activating system have been injured. [4] A decreased level of consciousness correlates to increased morbidity (sickness) and mortality (death). [5]
Knowing—and manipulating—your "biological age"is certainly en vogue right, with longevity bros and our surging wellness era taking center stage in the public consciousness.But while it may be ...
Image credits: Headpuncher #2. TIL Danny Trejo has a clause in his movie contracts that requires his villainous characters to die by the end of the film. He wants children to learn that crime ...
[41] [37] Likewise, Asian philosophers like Dharmakirti and Guifeng Zongmi discussed the problem of how consciousness arises from unconscious matter. [ 37 ] [ 42 ] [ 43 ] [ 44 ] The Tattva Bodha, an eighth century text attributed to Adi Shankara from the Advaita Vedanta school of Hinduism , describes consciousness being anubhati , or self ...