Gregory Bateson’s scientific contributions

... A helpful analogy is the case of the blind person's stick: in this scenario, the person apprehends and navigates by moving the tip of the stick across surfaces of their environment, relying on the direct haptic and auditory feedback to perceive and respond with the world as it unfolds (Fig. 1A). This example, long used in phenomenology and ecological approaches to cognition, demonstrates that cognition is not confined to the brain but is instead a system of relations-an ecologythat includes the brain, nerves, body, tools, and the environment (Bateson, 1973;Ingold, 2021;Malafouris, 2019). Perception and action occur through this continuous feedback loop, where the tool plays a critical role in shaping the individual's awareness of space and self. ...

Reference:

Acheulean technology and emergent sociality: what material engagement means for the evolution of human-environment systems