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Paris , 11 July 2014

Ultrasound tracks odor representation in the brain

A new ultrasound imaging technique has provided the first ever in vivo visualization of activity in the piriform cortex of rats during odor perception. This deep-seated brain structure plays an important role in olfaction, and was inaccessible to functional imaging until now. This work also sheds new light on the still poorly known functioning of the olfactory system, and notably how information is processed in the brain. This study is the result of a collaboration between the team led by Mickael Tanter at the Institut Langevin (CNRS/INSERM/ESPCI ParisTech/UPMC/Université Paris Diderot) and that led by Hirac Gurden in the Laboratoire Imagerie et Modélisation en Neurobiologie et Cancérologie (CNRS/Université Paris-Sud/Université Paris Diderot). Their findings are published in NeuroImage dated July 15, 2014.

To download the press release : odorat

References:

Functional ultrasound imaging reveals different odor-evoked patterns of vascular activity in the main olfactory bulb and the anterior piriform cortex. B.F. Osmanski, C. Martin, G. Montaldo, P. Lanièce, F. Pain, M. Tanter, H. Gurden. NeuroImage 2014. 95C:176-184
DOI : View web site

Contact information:

CNRS neuroscience contact l Hirac Gurden l T + 33 (0)1 69 15 71 90 l gurden@imnc.in2p3.fr
INSERM scientist in ultrasound imaging l Mickael Tanter l T +33 (0)1 80 96 30 68 l mickael.tanter@espci.fr
CNRS Press l T +33 (0)1 44 96 51 51 l presse@cnrs-dir.fr


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