Inserting a recording electrode into the nostrils of human volunteers allowed the authors to record neural activity directly from the olfactory epithelium, and measures of olfactory perception, all from the same individuals. This uncovered a non-uniform patchy organization of the receptive surface, which was organized in part according to the perception of odorant pleasantness.
- Hadas Lapid
- Sagit Shushan
- Noam Sobel
