Time perception is a field of study within psychology and neuroscience. It refers to the sense of time, which differs from other senses since time cannot be directly perceived but must be reconstructed by the brain. Humans can perceive relatively short periods of time, in the order of milliseconds, and also durations that are a significant fraction of a lifetime. Human perception of duration is subjective and variable. Some researchers attempt to categorize people by how they differ in their perception of time (see "Personality characteristics" below).
Pioneering work, emphasizing species-specific differences, was done by Karl Ernst von Baer. Experimental work began under the influence of the psycho-physical notions of Gustav Theodor Fechner with studies of the relationship between perceived and measured time.
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Famous quotes containing the words time and/or perception:
“Friendship should be surrounded with ceremonies and respects, and not crushed into corners. Friendship requires more time than poor busy men can usually command.”
—Ralph Waldo Emerson (1803–1882)
“True science investigates and brings to human perception such truths and such knowledge as the people of a given time and society consider most important. Art transmits these truths from the region of perception to the region of emotion.”
—Leo Tolstoy (1828–1910)