EDUCATION (CBSE/UGC NET)

Detailed explanation-1: -Coma is defined as a state of deep unconsciousness, an eyes-closed unresponsive state. Coma is usually a transitory state though it may last for an indefinite or even prolonged period. Alerting and arousal functions of the brain are affected as well as awareness and the content of consciousness.

Detailed explanation-2: -A coma is a state of unconsciousness where a person is unresponsive and cannot be woken. It can result from injury to the brain, such as a severe head injury or stroke. A coma can also be caused by severe alcohol poisoning or a brain infection (encephalitis).

Detailed explanation-3: -A coma, sometimes also called persistent vegetative state, is a profound or deep state of unconsciousness. Persistent vegetative state is not brain-death. An individual in a state of coma is alive but unable to move or respond to his or her environment.

Detailed explanation-4: -A coma stimulation programme (sometimes called a coma arousal programme) is an approach based on stimulating the unconscious person’s senses of hearing, touch, smell, taste and vision individually in order to help their recovery.

Detailed explanation-5: -Etymology. The term ‘coma’, from the Greek koma, meaning deep sleep, had already been used in the Hippocratic corpus (Epidemica) and later by Galen (second century AD).