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Full Idea
Only a causal theory of perception will respect the facts of physiology and physics ...meaning a theory which maintains that for a subject to perceive a physical object the subject should enjoy some appropriate perceptual experience caused by the object.
Gist of Idea
Science requires a causal theory - perception of an object must be an experience caused by the object
Source
E.J. Lowe (Locke on Human Understanding [1995], Ch.3)
Book Ref
Lowe,E.J.: 'Locke on Human Understanding' [Routledge 2004], p.59
A Reaction
If I hallucinate an object, then presumably I am not allowed to say that I 'perceive' it, but that seems to make the causal theory an idle tautology. If we are in virtual reality then there aren't any objects.
| 5927 | I prefer the causal theory to sense data, because sensations are events, not apprehensions [Ross] |
| 5193 | Causal and representative theories of perception are wrong as they refer to unobservables [Ayer] |
| 3900 | Maybe experience is not essential to perception, but only to the causing of beliefs [Armstrong, by Scruton] |
| 2784 | Appearances don't guarantee reality, unless the appearance is actually caused by the reality [Dancy,J] |
| 2785 | Perceptual beliefs may be directly caused, but generalisations can't be [Dancy,J] |
| 7871 | Perceptual concepts can't just refer to what causes classification [Papineau] |
| 7711 | Science requires a causal theory - perception of an object must be an experience caused by the object [Lowe] |
| 6640 | A causal theorist can be a direct realist, if all objects of perception are external [Lowe] |
| 6645 | If blindsight shows we don't need perceptual experiences, the causal theory is wrong [Lowe] |
| 3757 | Causal theory says true perceptions must be caused by the object perceived [Bernecker/Dretske] |