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Updated: Jun 30, 2026

Constructing an Olfactometer for Rodent Olfactory Behavior Studies
Published on: April 11, 2025
Neural and behavioral mechanisms of olfactory perception
1Department of Neurobiology, Harvard Medical School, 220 Longwood Avenue, Boston, MA 02115, United States. rachel_wilson@hms.harvard.edu
Abstract:
Recent in vivo and in vitro studies have challenged existing models of olfactory processing in the vertebrate olfactory bulb and insect antennal lobe. Whereas lateral connectivity between olfactory glomeruli was previously thought to form a dense, topographically organized inhibitory surround, new evidence suggests that lateral connections may be sparse, nontopographic, and partly excitatory. Other recent studies highlight the role of active sensing (sniffing) in shaping odor-evoked neural activity and perception.
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