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by Tudor P Toma

RESEARCH ROUND-UP

Dissociating olfaction

News from The Scientist 2003, 4(1):20030120-03 doi:10.1186/20030120-03

Published

20 January 2003

Environmental stimuli generate complex emotional responses in the human brain. These stimuli include visual, auditory and olfactory information, which is primarily characterized by two dimensions: intensity and valence. It has been unclear if the brain has separate circuits for processing intensity and valence. In the January 20 online Nature Neuroscience, A.K. Anderson and colleagues at the University of California at Berkeley, USA, show that for the olfactory stimuli there are distinct brain regions that analyze the degree and quality of smell (Nature Neuroscience, DOI:10.1038/nn1001, January 20, 2003).


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