Central mechanisms of odour object perception

Jay A. Gottfried

Research output: Contribution to journalReview articlepeer-review

342 Scopus citations


The stimulus complexity of naturally occurring odours presents unique challenges for central nervous systems that are aiming to internalize the external olfactory landscape. One mechanism by which the brain encodes perceptual representations of behaviourally relevant smells is through the synthesis of different olfactory inputs into a unified perceptual experience g-an odour object. Recent evidence indicates that the identification, categorization and discrimination of olfactory stimuli rely on the formation and modulation of odour objects in the piriform cortex. Convergent findings from human and rodent models suggest that distributed piriform ensemble patterns of olfactory qualities and categories are crucial for maintaining the perceptual constancy of ecologically inconstant stimuli.

Original languageEnglish (US)
Pages (from-to)628-641
Number of pages14
JournalNature Reviews Neuroscience
Issue number9
StatePublished - Sep 2010

ASJC Scopus subject areas

  • Neuroscience(all)


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