Is Intelligence the Goal of Instinct?

biology
evolution
brain
philosophy
Author

Manuel Carabias Aguilar

Published

May 16, 2025

Is Intelligence the Goal of Instinct?

The history of life on Earth is also the story of a silent and profound transformation: from inert matter to the emergence of consciousness. This journey, spanning billions of years, invites us to ask a fascinating question: is intelligence the final destination of instinct?

From Matter to Thought

Biological life is, above all, a special form of matter organization, governed by physicochemical processes that allow organisms to nourish themselves, reproduce, interact, and evolve. At its most remote origin, life emerged—perhaps spontaneously or maybe imported from the cosmos—as an organized spark between proteins and nucleic acids in a primordial soup rich in solar energy and simple chemical compounds.

From those early unicellular life forms, evolution selected increasingly complex and efficient structures. In this emerging complexity, not only did biology change: the possibility arose for matter to begin thinking about itself.

Evolution as a Dual Process: Entropy and Anti-Entropy

The universe moves simultaneously toward entropy—the disorder, the dispersion of energy—and toward the increasing complexity of certain systems that seem to resist that chaotic fate. This anti-entropy manifests in life, which organizes, orders, builds complex structures, and ultimately, consciousness.

From subatomic particles to the human brain, biological evolution can be understood as a journey of growing complexity. And in that trajectory, the brain emerges as the highest expression of organization in living matter.

One Brain… or Two?

In the human brain, composed of two interconnected yet functionally differentiated hemispheres, we find a model of cooperation, polarity, and complementarity. They are not just bilateral structures due to evolutionary efficiency: the interaction between hemispheres is key to fundamental functions such as language, imagination, decision-making, and the construction of the self.

Neuroscience has shown that these two brains within one coordinate through complex neural networks, and that their separation produces profound effects—even a sort of “double mind.” Thus, we might say that knowledge itself is the result of an internal dialogue between two cerebral poles that alternate and negotiate perception, action, and thought.

Toward a Collective Intelligence

The evolution of the brain does not appear to have ended. Today, we can imagine that the natural tendency toward greater complexity might lead to higher forms of collective consciousness. As the author suggests, we may be moving toward “super-brain” structures coordinated among intelligent organisms—a kind of distributed or collective intelligence that transcends the individual.

This speculative horizon, inspired by thinkers like Teilhard de Chardin and modern theories of open systems, forces us to rethink humanity’s place in the biosphere. Is individual consciousness a stepping stone toward global consciousness?