Researchers have confirmed that the human brain continues working even after the death of a person. That seems a zombie-like behaviour, but researchers have found a non-zombie logic behind this phenomenon.
As per the new paper published in Scientific Reports – non-neuronal cells (glial cells), that are the part of the Central Nervous System (CNS), become active after a few hours of a person’s death.
These brain cells also start showing certain modifications like growing of appendages and expand in size.
According to the study author Jeffrey Loeb, who heads neurology and rehabilitation at the University of Illinois, Chicago’s College of Medicine – “Most studies assume that everything in the brain stops when the heart stops beating, but this is not so.”
“Our findings will be needed to interpret research on human brain tissues. We just haven’t quantified these changes until now.”
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He also emphasized on the fact that the postmortem activity wasn’t “too surprising” as glial cells are inflammatory and “their job is to clean things up after brain injuries like oxygen deprivation or stroke.”
The glial cells are being nicknamed the “zombie gene” owing to this peculiar trait of theirs.
This discovery about such bizarre behaviour of brain cells can be useful for the researchers who are studying brain cells regarding the treatment of neurological disorders such as autism and Alzheimer’s disease.
This ‘Zombie-like’ behaviour is exhibited by brain cells just after a few hours of a person’s death. But again all these activities end within 24 hours of a person’s death.