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In [[olfaction]] the [[absolute threshold|absolute]] and [[differential threshold]] for [[odor]] perception are explored using the following methods: |
In [[olfaction]] the [[absolute threshold|absolute]] and [[differential threshold]] for [[odor]] perception are explored using the following methods: |
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The stimuli in the past was usually provided by a [[Zwaardemaker olfractometer]], a type of glass tube by which an odorant was introduced into the nose. The amount of odour being calibrated by the length of the tube. This was a device developed in 1888 by the Dutch physiologist, [[Hendrick Zwaardemaker]] who also developed the [[Zwaardemaker smell system]]. |
The stimuli in the past was usually provided by a [[Zwaardemaker olfractometer]], a type of glass tube by which an odorant was introduced into the nose. The amount of odour being calibrated by the length of the tube. This was a device developed in 1888 by the Dutch physiologist, [[Hendrick Zwaardemaker]] who also developed the [[Zwaardemaker smell system]]. |
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| + | The concentrations of odorant in Germany are defined by the “Olfaktometrie” since the 1970’s. This is the standard method for defining the sensory threshold of odours on the basis of dilutions of concentrated odour loaded assays. |
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==See also== |
==See also== |
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*[[Psychophysics]] |
*[[Psychophysics]] |
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| + | *[[Odor detection threshold]] |
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| + | *[[Sniffin' Sticks test]] |
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| + | *[[University of Pennsylvania Smell Identification Test]] |
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==References & Bibliography== |
==References & Bibliography== |
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==Key texts== |
==Key texts== |
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===Papers=== |
===Papers=== |
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| + | Doty, R.L. (1991) Psychophysical measurement of odor perception in humans. In Laing, D.G., Doty, R.L. and Breipohl, W. (eds), The Human Sense of Smell. Springer-Verlag, Berlin, pp. 95–151. |
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==Additional material== |
==Additional material== |
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In olfaction the absolute and differential threshold for odor perception are explored using the following methods:
The stimuli in the past was usually provided by a Zwaardemaker olfractometer, a type of glass tube by which an odorant was introduced into the nose. The amount of odour being calibrated by the length of the tube. This was a device developed in 1888 by the Dutch physiologist, Hendrick Zwaardemaker who also developed the Zwaardemaker smell system.
The concentrations of odorant in Germany are defined by the “Olfaktometrie” since the 1970’s. This is the standard method for defining the sensory threshold of odours on the basis of dilutions of concentrated odour loaded assays.
See also
- Psychophysics
- Odor detection threshold
- Sniffin' Sticks test
- University of Pennsylvania Smell Identification Test
References & Bibliography
Key texts
Books
Papers
Doty, R.L. (1991) Psychophysical measurement of odor perception in humans. In Laing, D.G., Doty, R.L. and Breipohl, W. (eds), The Human Sense of Smell. Springer-Verlag, Berlin, pp. 95–151.
Additional material
Books
Papers
External links
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