The neural cascade of olfactory processing: A combined fMRI–EEG study

Highlights • Temporal and spatial neural correlates of olfaction were examined. • A novel MRI-compatible stimulator was created that links olfaction to inspiration. • EEG dipole modeling identified ‘early’ activations in parahippocampus and amygdala. • Both EEG and fMRI identified ‘late’ activations...

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Veröffentlicht in:	Respiratory physiology & neurobiology 2014-12, Vol.204, p.71-77
Hauptverfasser:	Masaoka, Yuri, Harding, Ian H, Koiwa, Nobuyoshi, Yoshida, Masaki, Harrison, Ben J, Lorenzetti, Valentina, Ida, Masahiro, Izumizaki, Masahiko, Pantelis, Christos, Homma, Ikuo
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Amygdala Brain - physiology Brain Mapping Electroencephalogram Electroencephalography Female fMRI Humans Inspiration Magnetic Resonance Imaging Male Medical Education Multimodal Imaging Odorants Olfaction Olfactory Perception - physiology Physical Stimulation Piriform Pulmonary/Respiratory Respiration
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Beschreibung
Zusammenfassung:	Highlights • Temporal and spatial neural correlates of olfaction were examined. • A novel MRI-compatible stimulator was created that links olfaction to inspiration. • EEG dipole modeling identified ‘early’ activations in parahippocampus and amygdala. • Both EEG and fMRI identified ‘late’ activations in orbitofrontal association cortex. • EEG may be more sensitive to transient activity in primary olfactory regions.
ISSN:	1569-9048 1878-1519
DOI:	10.1016/j.resp.2014.06.008