PSYB51H3 Chapter : B51.CH1.docx

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11 Apr 2012
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Plato: the allegory of the cave , our conception of reality depends on what we can learn about the world through our senses. Heraclitus: you can never step into the same river twice , everything is always changing, therefore no two experiences can ever be the same. Perception does not only depend on energy and events that change in the world, but also on the qualities of the perceiver. Adaptation: a reduction in response caused by prior or continuing stimulation. Primary qualities: can be directly perceived i. e. weight, texture. Secondary qualities: require interaction between atoms from objects and atoms in the perceiver. Sensory transducer: a receptor that converts physical energy from the environment into neural activity ex.