Philosophy of Perception

argument barking noise batpeople believe Berkeley causal representative theory color commonsense conditions of observation correlation Descartes direct objects direct realist directly experience directly perceived Doppler effect effects produced example existence experienced sensations explain external causes external objects external physical external world future hallucinations hear a dog ideas imagination immediate experience introduced light falling light waves Locke looks mental image mistake Monroe Beardsley naive realism nature past experience pattern of light perience Philosophy PHILOSOPHY OF PERCEPTION physical objects physical processes physical things physical world position possible primary qualities problem properties reflected regularities representation responsible retina sations secondary qualities sense of hearing sense of sight sense of touch sense perception sensory similar smell solipsism solipsist sort sound waves sounds and noises sounds heard sounds we hear suppose taste temperature tion unperceived Virgil Aldrich visual appearances visual cortex visual experience visual image visual perception