Short or long runs: An exploratory study of odor-induced fMRI design

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Han, PengfeiTech Univ Dresden, Dept Otorhinolaryngol, Interdisciplinary Ctr Smell & Taste, Dresden, Germany.;Southwest Univ, Fac Psychol, Key Lab Cognit & Personal, Minist Educ, Chongqing, Peoples R China. (författare)

Short or long runs : An exploratory study of odor-induced fMRI design

Artikel/kapitelEngelska2020

Förlag, utgivningsår, omfång ...

2019-07-02
Wiley,2020
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LIBRIS-ID:oai:DiVA.org:uu-421232
https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-421232URI
https://doi.org/10.1002/lary.28156DOI

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Språk:engelska
Sammanfattning på:engelska

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Ämneskategori:art swepub-publicationtype

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Objective Functional magnetic resonance imaging (fMRI) is a non-invasive neuroimaging technique widely used in olfactory research. During a typical fMRI olfactory block-design, one functional "run" refers to a combination of multiple blocks with continuous brain image acquisition. The current study investigated the length of functional runs on odor-induced brain response signals (blood oxygen level dependent [BLOD]) within the primary and key secondary olfactory areas. Methods Twenty-five female adults (age range 19 to 30 years, mean age 25 years) underwent a block-design fMRI measurement with odor stimulation. Twelve participants received the odor stimuli within a short run paradigm (six blocks in each 4-minute run, eight runs in total), and 13 participants received the odor stimulation with a long-run paradigm (12 blocks in each 8-minute run, four runs in total). For each paradigm, two odors (peach and rose) were alternatingly presented between runs. Participants rated odor intensity and pleasantness at the end of each run. Ratings and fMRI data were analyzed for different subsections and compared between groups. Results There was a higher level of brain activation in the insula and orbitofrontal cortex during the short-run paradigm as compared to the long-run paradigm. However, there was no difference for odor intensity or pleasantness ratings. Conclusion The current study suggested the employment of short runs with multiple repetitions for odor stimulation during fMRI research. Level of Evidence 3 Laryngoscope, 2019

Ämnesord och genrebeteckningar

MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Neurovetenskaper hsv//swe
MEDICAL AND HEALTH SCIENCES Basic Medicine Neurosciences hsv//eng
olfactory fMRI
block design
long run
short run
BOLD signals

Biuppslag (personer, institutioner, konferenser, titlar ...)

Zang, YunpengTech Univ Dresden, Dept Otorhinolaryngol, Interdisciplinary Ctr Smell & Taste, Dresden, Germany. (författare)
Hummel, CorneliaTech Univ Dresden, Dept Otorhinolaryngol, Interdisciplinary Ctr Smell & Taste, Dresden, Germany. (författare)
Faria, VandaUppsala universitet,Institutionen för psykologi,Tech Univ Dresden, Dept Otorhinolaryngol, Interdisciplinary Ctr Smell & Taste, Dresden, Germany.;Harvard Med Sch, Ctr Pain & Brain, Dept Anesthesiol Perioperat & Pain Med, Boston Childrens Hosp, Boston, MA 02115 USA.(Swepub:uu)vanfa785 (författare)
Hummel, ThomasTech Univ Dresden, Dept Otorhinolaryngol, Interdisciplinary Ctr Smell & Taste, Dresden, Germany. (författare)
Tech Univ Dresden, Dept Otorhinolaryngol, Interdisciplinary Ctr Smell & Taste, Dresden, Germany.;Southwest Univ, Fac Psychol, Key Lab Cognit & Personal, Minist Educ, Chongqing, Peoples R China.Tech Univ Dresden, Dept Otorhinolaryngol, Interdisciplinary Ctr Smell & Taste, Dresden, Germany. (creator_code:org_t)

Sammanhörande titlar

Ingår i:The Laryngoscope: Wiley130:5, s. 1110-11150023-852X1531-4995

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Av författaren/redakt...: Han, Pengfei; Zang, Yunpeng; Hummel, Cornelia; Faria, Vanda; Hummel, Thomas

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MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Medicinska och f ...; och Neurovetenskaper

Artiklar i publikationen: The Laryngoscope

Av lärosätet: Uppsala universitet

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