Direct Perception Theory
Direct Perception Theory is the idea that “the information required for perception is external to the observer; that is, one can directly perceive an object based on the properties of the distal stimulus alone, unaided by inference, memories, the construction of representations, or the influence of other cognitive processes.” Philosopher Ned Block describes non-mainstream views of phenomenal consciousness that take it to work via this kind of “a direct awareness relation to a peculiar entity like a sense datum [i.e., that which is immediately available to the senses] or to objects or properties in the environment.”
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Ned Block
Professor of Philosophy & Psychology
Ned Block is an American philosopher known for his influential work on consciousness and cognitive science, and is a Professor of Philosophy and Psychology at NYU.
Key Takeaways
Core Claim
We perceive the world directly, without relying on mental representations or internal processing.
How It Works
Perception is an immediate relation to external objects, based solely on their physical properties.
Distinguishing Idea
The phenomenal feel of an experience depends on the actual object perceived—not just brain activity.
Direct Perception Theory
Direct Perception Theory is the idea that “the information required for perception is external to the observer; that is, one can directly perceive an object based on the properties of the distal stimulus alone, unaided by inference, memories, the construction of representations, or the influence of other cognitive processes” (APA, website). Philosopher Ned Block describes non-mainstream views of phenomenal consciousness that take it to work via this kind of “a direct awareness relation to a peculiar entity like a sense datum [i.e., that which is immediately available to the senses] or to objects or properties in the environment.” This direct awareness would seem to have to be “a primitive unanalyzable acquaintance relation that is not a matter of representation.” According to these direct realist or naïve realist theories of consciousness, “the phenomenal character of a perceptual experience is object-constituted in the sense that a perceptual experience of a tomato depends for its existence and individuation on the tomato. Any experience that is of a different tomato will have a different phenomenal character, even if it is phenomenally indistinguishable and even if the different tomato is exactly the same in all its properties and causes exactly the same activations in the brain.” Even subjectively indistinguishable hallucinatory experience would have to be different in phenomenal character as well (Block, 2023).
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