Temporal Integrity of an Airborne Odor Stimulus is Greatly Affected by Physical Aspects of the Odor Delivery System

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Vetter06_ChemSenses.pdf
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2006
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Vetter, Richard S.
Sage, Amy E.
Justus, Kristine A.
Cardé, Ring T.
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Zusammenfassung

There is currently a debate about the role played by temporal patterns in neural activity in olfactory coding. An accurate analysis of this question, however, is only possible if the temporal properties of a stimulus itself are well defined. So far, no technique with sufficient temporal resolution has been available to accomplish this. Using a photoionization detector (PID), we show that the
configuration of the odor delivery apparatus and the airflow settings greatly influence the integrity of a stimulus profile within an odor delivery apparatus. In a situation where pulsatile odor stimuli are applied to a stationary preparation, we tested the effect of
1) axial and off-center location within the airstream,
2) airflow of the odor delivery,
3) exit tube length,
4) exit tube diameter,
5) orientation of the odor delivery device in relation to the exhaust flow, and 6) exhaust tube air speed.
This has important implications for the study of time in olfaction; significant planning must be incorporated into the design of the experiment to provide a well-defined odor delivery system.

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Fachgebiet (DDC)
570 Biowissenschaften, Biologie
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odor delivery, olfactometer, photoionization detector, temporal patterns, turbulence
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ISO 690VETTER, Richard S., Amy E. SAGE, Kristine A. JUSTUS, Ring T. CARDÉ, C. Giovanni GALIZIA, 2006. Temporal Integrity of an Airborne Odor Stimulus is Greatly Affected by Physical Aspects of the Odor Delivery System. In: Chemical senses. 2006, 31(4), pp. 359-369. ISSN 0379-864X. eISSN 1464-3553
BibTex
@article{Vetter2006Tempo-6993,
  year={2006},
  title={Temporal Integrity of an Airborne Odor Stimulus is Greatly Affected by Physical Aspects of the Odor Delivery System},
  number={4},
  volume={31},
  issn={0379-864X},
  journal={Chemical senses},
  pages={359--369},
  author={Vetter, Richard S. and Sage, Amy E. and Justus, Kristine A. and Cardé, Ring T. and Galizia, C. Giovanni}
}
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