Chemical Senses Advance Access published online on March 9, 2006
Chemical Senses, doi:10.1093/chemse/bjj042
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1 National Institute of Advanced Industrial Science and Technology, Tsukuba Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan; Saito Sachiko Taste and Smell Institute
* To whom correspondence should be addressed. The odor identification is strongly influenced by the social and cultural factors; therefore, the odorants used in a smell identification test should be familiar to the test population. In addition, the device used in the test is desired to be simply handled and retain odor quality over time. We developed a novel stick-type odor presentation kit that consists of microcapsules of odorant incorporated into stable cream and the smell identification test using it. Thirteen odorants were selected to be familiar to the test population. In the test, we used two identification methods: one was a modified forced-choice paradigm with "detectable but not recognizable" and "no smell detected" added as choices and the other was a two-step identification paradigm where the participant first selected one of eight odor categories and then chose the specific odor name from the selected category. We verified the performance of the odor stick and the test by stability, using a test-retest paradigm, comparing this test with another smell test, and testing Japanese people from a range of age groups. We conclude that this kit is a useful odor presentation device, and the test using it works effectively as a smell identification test.
Accepted February 1, 2006
Article
Development of a Smell Identification Test Using a Novel Stick-Type Odor Presentation Kit
Sachiko Saito 1 *,
Saho Ayabe-Kanamura 2,
Yasuhiro Takashima 3,
Naomi Gotow 4,
Naomi Naito 5,
Takashi Nozawa 6,
Miyako Mise 5,
Yuichi Deguchi 7,
and
Tatsu Kobayakawa 4
2 National Institute of Advanced Industrial Science and Technology, Tsukuba Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan; Health Science University
3 International Society for Fragrance and Culture
4 National Institute of Advanced Industrial Science and Technology, Tsukuba Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan
5 National Institute of Technology and Evaluation
6 National Institute of Advanced Industrial Science and Technology, Tsukuba Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan; University of Tsukuba
7 Takasago International Corporation
Sachiko Saito, E-mail: sachiko-saitou{at}aist.go.jp
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