Loss of cognitive nerve function

Cognitive neurological loss is one of the manifestations of vegetatives. Vegetative patient: The cerebral cortex is severely impaired, and the victim is in an irreversible deep coma and loses consciousness, but the subcortical center can maintain voluntary breathing movement and heartbeat. This state is called "vegetative state" and is in this state Of patients are called "vegetatives". In addition to retaining some instinctual nerve reflexes and the ability to carry out material and energy metabolism, vegetative people have completely lost their cognitive abilities (including their own cognitive abilities) without any active activities. Also known as phytoplasmic state, irreversible coma. The vegetative brainstem still has functions, and when it delivers nutrients to its body, it can also digest and absorb, and can use these energy to maintain the body's metabolism, including breathing, heartbeat, blood pressure, etc. It can also produce some instinctive reflections on external stimuli, such as coughing, sneezing, and yawning. But the body has no human-level advanced neural activities such as consciousness, perception, and thinking. The EEG has a stray waveform. Plant status is different from brain death. Brain death refers to whole brain death, including the brainstem. For brain death, involuntary breathing and heartbeat, the EEG is in a straight line. It is controversial whether to treat vegetatives by providing various nutrients to maintain this state at an expensive cost or to abandon the maintenance of their lives.

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