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Review
. 2025 Mar;41(3):239-245.
doi: 10.1051/medsci/2025022. Epub 2025 Mar 21.

[The shifting territories of mental travel]

[Article in French]
Affiliations
Review

[The shifting territories of mental travel]

[Article in French]
Collectif CARMEN (Conscience, Attention et Représentation Mentale) et al. Med Sci (Paris). 2025 Mar.

Abstract

How does experience outside the present moment become part of living matter? Mental travel, which is both creative and low-carbon, is an experience that anyone can enjoy without needing to abstract from immediacy and project themselves beyond reality. The possibility of such a virtual journey has long fascinated philosophers and then scientists. What does mental travel actually involve? Which neural circuits are engaged? What are the conditions that take us on a hallucinatory journey, deprive us of it, or enable us to control it? What are the adaptive advantages of this imaginary journey? Is it present in other living beings and in our "intelligent" machines?

Title: Les territoires mouvants du voyage mental.

Abstract: Le voyage mental, créatif et décarboné, est une expérience que tout le monde peut vivre sans effort pour s’abstraire de l’immédiateté et se projeter au-delà du réel. Cette faculté de pouvoir effectuer ce voyage virtuel interroge les philosophes et les scientifiques. D’ailleurs, qu’est-ce que voyager mentalement ? Quels sont les circuits neuronaux impliqués ? Quelles sont les conditions qui nous entraînent dans un voyage halluciné, nous privent de voyage ou nous permettent de le maîtriser ? Quels sont les avantages adaptatifs de ce périple imaginaire ? Est-il présent chez d’autres êtres vivants et dans nos machines « intelligentes » ?

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