An impression, or the consciousness of an impression, made upon the central nervous organ, through the medium of a sensory or afferent nerve or one of the organs of sense; a feeling, or state of consciousness, whether agreeable or disagreeable, produced either by an external object (stimulus), or by some change in the internal state of the body. Perception is only a special kind of knowledge, and sensation a special kind of feeling. . . . Knowledge and feeling, perception and sensation, though always coexistent, are always in the inverse ratio of each other. Sir W. Hamilton.
A purely spiritual or psychical affection; agreeable or disagreeable feelings occasioned by objects that are not corporeal or material.
A state of excited interest or feeling, or that which causes it. The sensation caused by the appearance of that work is still remembered by many. Brougham.
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