Issue 14: How Goals Shape What We See

Aiming the Senses: How Goals Shape What We Perceive

We rarely look at the world in a neutral way. More often, we look for something. Our senses do not passively record a complete reality and then hand it over to the mind for interpretation. Instead, the mind is already steering the senses, directing them toward certain features of the environment, discarding others. We could say that perception is built upon aim — and without aim, perception would collapse into meaningless noise.

This raises a deeper question: is aim simply a filter applied to perception, or is it the very structure that gives perception its form? Three perspectives — James J. Gibson’s ecological psychology, David Eagleman’s neuroscience, and Jordan Peterson’s symbolic framework — offer complementary answers.

James J. Gibson – Perception as Possibility

In Gibson’s ecological view, perception is not about constructing an internal model of the world from raw sensory data. It is about detecting affordances — the possibilities for action that the environment offers a given organism.

A rock affords sitting for a human but not for an ant; a branch affords perching for a bird but not for a fish. These affordances are not added after the fact by the mind — they are directly perceived. From this perspective, the perceptual system evolved not to record the world in full fidelity, but to register what is relevant to the organism’s survival and purposes.

David Eagleman – The Brain as a Dynamic Filter

Neuroscience deepens this picture by showing how flexible perception can be. David Eagleman’s work on sensory substitution reveals that the brain can repurpose any stream of input into a coherent percept, provided it serves a meaningful purpose.

In one experiment, blind participants wore a vest covered in small vibratory motors, each corresponding to a pixel in a video feed. Over time, they learned to “see” through patterns of vibration on their skin, navigating spaces and recognising shapes. The brain had reinterpreted touch as vision. Similar results came from devices that sent spatial information through pulses on the tongue. What mattered was not the channel but the utility of the signal — whether it served the person’s goals.

Jordan Peterson – Aim as Narrative Compass

Peterson adds a symbolic dimension to the discussion. He argues that our aims are not just utilitarian objectives; they are embedded in narratives that give them meaning.

When we set a goal, we don’t merely identify a target — we place ourselves in a story. Obstacles become enemies, opportunities become allies, challenges become transformations. This symbolic mapping of the world functions as a perceptual schema: it tells us not only what to notice but how to value what we notice.

The three perspectives suggest that aim is not something added after perception but part of its construction from the start. For Gibson, it is rooted in biology: we perceive affordances rather than neutral objects. For Eagleman, it is built into the brain’s adaptability, tuning sensory pathways toward what matters. For Peterson, it is shaped by the narratives that give meaning to what we encounter.

These layers overlap. Biological needs define the possibilities we can register. Personal goals adjust the brain’s sensitivity to them. Cultural and personal narratives give them significance. A change in aim alters the organisation of perception itself — and with it, the world that comes into view.