Record the activity of a cat's brain ... for whom?

In 2017, researchers implanted electrodes in the brain of small cats, in order to record the activity of their brain during a vision experiment. These sentient beings were slightly anesthetized, but it was still necessary to inoculate a muscle relaxant, in order to paralyze them, to avoid any movement. What do we understand? That the anaesthesia is incomplete - because the brain and the sight are solicited, and that the cats could thus feel the pain while being conscious.

It happens that some human patients wake up from anaesthesia during surgical operations. But more than pain, it is paralysis that terrifies them the most. Imagine the deep fear of these cats in this situation!

Source: PLoS Comput Biol. 2017 May; 13(5): e1005543. Published online 2017 May 24. doi: 10.1371/journal.pcbi.1005543 PMCID: PMC5464673 Spontaneous cortical activity is transiently poised close to criticality Gerald Hahn, Adrian Ponce-Alvarez, Cyril Monier, Giacomo Benvenuti, Arvind Kumar, Frédéric Chavane, Gustavo Deco, and Yves Frégnac

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