A Designated Odor-Language Integration System in the Human Brain

↓ Direkt till sidans innehåll
↓ Direkt till sidans sekundära innehåll (sidomenyn)

Search: id:"swepub:oai:DiVA.org:su-160580" > A Designated Odor-L...

1 of 1
Previous record
Next record
To hitlist

Details
MARC

Olofsson, Jonas K.Stockholms universitet,Psykologiska institutionen,Northwestern University Feinberg School of Medicine, USA; Swedish Collegium for Advanced Study, Sweden (author)

A Designated Odor-Language Integration System in the Human Brain

Article/chapterEnglish2014

Publisher, publication year, extent ...

2014
printrdacarrier

Numbers

LIBRIS-ID:oai:DiVA.org:su-160580
https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-160580URI
https://doi.org/10.1523/JNEUROSCI.2247-14.2014DOI

Supplementary language notes

Language:English
Summary in:English

Part of subdatabase

SwePubSwePub

Classification

Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

Notes

Odors are surprisingly difficult to name, but the mechanism underlying this phenomenon is poorly understood. In experiments using event-related potentials (ERPs) and functional magnetic resonance imaging (fMRI), we investigated the physiological basis of odor naming with a paradigm where olfactory and visual object cues were followed by target words that either matched or mismatched the cue. We hypothesized that word processing would not only be affected by its semantic congruency with the preceding cue, but would also depend on the cue modality (olfactory or visual). Performance was slower and less precise when linking a word to its corresponding odor than to its picture. The ERP index of semantic incongruity (N400), reflected in the comparison of nonmatching versus matching target words, was more constrained to posterior electrode sites and lasted longer on odor-cue (vs picture-cue) trials. In parallel, fMRI cross-adaptation in the right orbitofrontal cortex (OFC) and the left anterior temporal lobe (ATL) was observed in response to words when preceded by matching olfactory cues, but not by matching visual cues. Time-series plots demonstrated increased fMRI activity in OFC and ATL at the onset of the odor cue itself, followed by response habituation after processing of a matching (vs nonmatching) target word, suggesting that predictive perceptual representations in these regions are already established before delivery and deliberation of the target word. Together, our findings underscore the modality-specific anatomy and physiology of object identification in the human brain.

Subject headings and genre

MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Neurovetenskaper hsv//swe
MEDICAL AND HEALTH SCIENCES Basic Medicine Neurosciences hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Radiologi och bildbehandling hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Radiology, Nuclear Medicine and Medical Imaging hsv//eng
evoked potentials
functional MRI
human olfactory system
language
lexical-semantic system
orbitofrontal cortex

Added entries (persons, corporate bodies, meetings, titles ...)

Hurley, Robert S. (author)
Bowman, Nicholas E. (author)
Bao, Xiaojun (author)
Mesulam, M. -Marsel (author)
Gottfried, Jay A. (author)
Stockholms universitetPsykologiska institutionen (creator_code:org_t)

Related titles

In:Journal of Neuroscience34:45, s. 14864-148730270-64741529-2401

Internet link

Find in a library

Journal of Neuroscience (Search for host publication in LIBRIS)

To the university's database

1 of 1
Previous record
Next record
To hitlist

Find more in SwePub

By the author/editor: Olofsson, Jonas ...; Hurley, Robert S ...; Bowman, Nicholas ...; Bao, Xiaojun; Mesulam, M. -Mar ...; Gottfried, Jay A ...

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Basic Medicine; and Neurosciences

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Radiology Nuclea ...

Articles in the publication: Journal of Neuro ...

By the university: Stockholm University

Search outside SwePub

Extend your search to:: Google; Google Book Search; Google Scholar

Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.

LIBRIS.kb.se