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European Archives of Oto-Rhino-Laryngology

Erschienen in:

01.07.2008 | Rhinology

Recordings of the optical intrinsic signal from the middle turbinate in response to olfactory and trigeminal stimulation: a pilot study

verfasst von: Tadashi Ishimaru, Mandy Scheibe, Volker Gudziol, Simona Negoias

Erschienen in: European Archives of Oto-Rhino-Laryngology | Ausgabe 7/2008

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Abstract

Responses from the middle turbinate elicited by olfactory and trigeminal stimuli were studied using the intrinsic optical signal (IOS) recording technique. Nasal cavity was illuminated by 617 nm light. Olfactory (H₂S) or trigeminal (CO₂) stimuli of 5-s duration were presented using a computer-controlled olfactometer; IOS responses were captured by a special camera. Averages across five individual IOS recordings were analyzed. When the nasal cavity was exposed to H₂S, a significant change of the IOS was found; responses to CO₂ were even more pronounced. The present results argue for the idea that the IOS is an indicator of intranasal chemosensory activation.

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Titel: Recordings of the optical intrinsic signal from the middle turbinate in response to olfactory and trigeminal stimulation: a pilot study
verfasst von: Tadashi Ishimaru
Mandy Scheibe
Volker Gudziol
Simona Negoias
Publikationsdatum: 01.07.2008
Verlag: Springer-Verlag
Erschienen in: European Archives of Oto-Rhino-Laryngology / Ausgabe 7/2008
Print ISSN: 0937-4477
Elektronische ISSN: 1434-4726
DOI: https://doi.org/10.1007/s00405-007-0547-y

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