Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
13
pubmed:dateCreated
2000-12-28
pubmed:abstractText
The olfactory nerve is the only cranial nerve with established ipsilateral primary cerebral anatomical projections. Whether these projections correspond to the functional pathways for monorhinal processing of odor perception is, however, unknown. We therefore studied cerebral blood flow (rCBF) with [15O]butanol-PET in 18 healthy females during monorhinal smelling of single odors (OS) and odorless air (AS). Compared with AS, OS activated right amygdala and piriform cortex (confluent cluster), right orbitofrontal cortex, left insula, right thalamus, and anterior cingulate. A post hoc analysis showed that the first three regions were activated independently of the stimulated side, but that right orbitofrontal rCBF was higher during the right nostril stimulations. Left insula was activated mainly by the right nostril stimuli, and right thalamus by the left nostril stimuli. Odors seem to be processed both ipsi and contralaterally, with a right hemisphere preponderance irrespective of the stimulated nostril.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0959-4965
pubmed:author
pubmed:issnType
Print
pubmed:day
11
pubmed:volume
11
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
2861-6
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2000
pubmed:articleTitle
PET shows that odors are processed both ipsilaterally and contralaterally to the stimulated nostril.
pubmed:affiliation
Department of Neuroscience, Karolinska Institute, Stockholm, Sweden.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't