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The feeling of being alive: phenomenology and biology

Thomas Fuchs

Phenomenology and the Cognitive Sciences April 6, 2026 Peer reviewed DOI: 10.1007/s11097-026-10145-3 via Springer Nature

Summary

The feeling of being alive is closely linked to both the biological processes of life and subjective experiences. It cannot be reduced to a mental model located in the brain, but is instead a manifestation of the organism's overall life. Vitality and conation are two key components of this feeling, rooted in self-regulating processes that maintain homeostasis. The paper also discusses how issues with this feeling can relate to conditions like depression and Cotard syndrome.

Study at a glance

Key finding The feeling of being alive is fundamentally tied to self-awareness and is rooted in the self-organization and life processes of the organism.

Abstract

The feeling of being alive points to an intricate connection between the organic process of life and foundational subjective experience, or between life and experience ( Leben and Erleben ). Based on this premise, I argue that self-experience cannot be understood as an internal mental space or a “self-model” that could be produced and localized in the brain, but rather that it is a manifestation of the life of the organism as a whole. I first examine in detail the phenomenology of the feeling of life, distinguishing between two components: vitality (basic vital feelings) and conation (drive, urge, desire). Furthermore, I demonstrate the foundations of both components in self-regulating processes that maintain the homeostasis of the entire organism. The sufficient basis of self-awareness cannot then be found in individual “neural correlates of consciousness,” but only in the self-organization and life process of the organism in its relationship to the environment. The feeling of being alive is then shown to be the fundamental form of self-awareness, both from a phenomenological and a biological point of view. Finally, the paper explores the psychopathology of the feeling of being alive, taking the examples of depression and Cotard syndrome.

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