L'ablation du cerveau, l'avenir de la cryonie et une voie vers l'immortalité ?

l'ablation du cerveau, l'avenir de la cryonie et une voie vers l'immortalité ?

Faire congeler son cerveau coûte 60 000 euros en Allemagne.

La conservation du cerveau humain est de plus en plus pratiquée par les sociétés spécialisées dans la cryonie. Une voie vers l’immortalité, pour de très riches cobayes ?

Vous souvenez-vous de ces films mettant en scène des héros dont le corps traverse les âges, enfermé dans une boîte cryogénique ? Eh bien, ce n’est pas que de la science-fiction, cette technologie existe et elle a un nouveau cobaye : le cerveau, rapporte Popular Mechanics dans un article publié le 1er mai 2024.

Selon Emil Kendziorra, P-DG de Tomorrow Bio, une société de biotechnologie allemande spécialisée dans la cryoconservation humaine, l’ablation du cerveau est de plus en plus populaire auprès des amateurs de cryonie.

60 000 euros pour garder son cerveau bien au frais

Rien d’étonnant lorsque l’on sait que le stockage d’un cerveau est plus rapide et coûte moins cher que de conserver un corps entier. “Une option de cryoconservation plus abordable. Nécessite 60 000 euros de couverture d’assurance-vie”, peut-on lire sur le site Internet de la société allemande. À titre de comparaison, la cryopréservation d’un corps entier est annoncée à 200 000 euros.

Seul bémol ? L’image de la décapitation se confronte encore au tabou de la représentation sociale. Mais la pratique est en passe de bénéficier d’un “degré plus élevé d’acceptation”, affirme Emil Kendziorra à Popular Mechanics.

Une technologie inachevée

La cryopréservation, aussi appelée cryonie, biostase ou cryogénie, consiste à mettre un humain en “pause” biologique après sa mort. “L’objectif est de préserver les personnes jusqu’à ce que la technologie médicale progresse suffisamment afin de pouvoir traiter la cause de leur décès et les faire revivre”, détaille Tomorow Bio.

“Une fois votre décès constaté, votre cerveau ou votre corps dans sa totalité peuvent être placés dans une cuve d’azote liquide dont la température est fixée à -196 °C”, décrivait Libération dans un article publié le 25 mars 2023.

Si ce service est déjà popularisé aux États-Unis et en Russie, Tomorrow Bio est à ce jour le seul acteur du genre sur le marché européen.

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