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Effect of Odor on Brain Excitability Assessed by a Breath-Synchronized Olfactometer

January 19th, 2024
1,2, 1,2, 1,2, 3, 3, 3, 1,2
1PSYR2, Centre de Recherche en Neurosciences de Lyon, Institut National de la Santé et de la Recherche Médicale U1028, Centre National de la Recherche Scientifique UMR5292, Université Claude Bernard Lyon 1, 2Centre Hospitalier Le Vinatier, 3NEUROPOP, Centre de Recherche en Neurosciences de Lyon, Institut National de la Santé et de la Recherche Médicale U1028, Centre National de la Recherche Scientifique UMR5292, Université Claude Bernard Lyon 1

Summary
Automatic Translation

This paper describes using a breath-synchronized olfactometer to trigger single- and dual-coil transcranial magnetic stimulation (TMS) during odorant presentation synchronized to human nasal breathing. This combination allows us to objectively investigate how pleasant and unpleasant odors impact corticospinal excitability and brain-effective connectivity in a given individual.

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