Two of the patients showed a surge of gamma wave activity, considered the fastest brain activity and associated with consciousness. Photograph: Deco/AlamyDeath and dying People in comas showed ‘conscious-like’ brain activity as they died, study says ‘Potential neuro-signatures of consciousness’ observed in unresponsive patients at time of death, scientists sayHannah Devlin Science correspondent@hannahdevMon 1 May 2023 15.00...
