Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Functional mapping of human brain in olfactory processing: a PET study.

A Qureshy1, R Kawashima, M B Imran

  • 1Department of Nuclear Medicine and Radiology, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980-8575, Japan. ahmad@idac.tohoku.ac.jp

Journal of Neurophysiology
|September 9, 2000
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Thoracic duct scintigraphy by orally administered I-123 BMIPP: normal findings and a case report.

Clinical nuclear medicine·2001
Same author

Analysis of time-density curves of contrast media for improvement of chest dynamic incremental CT.

Journal of computer assisted tomography·1999
Same author

Detection of CBF deficits in neuropsychiatric disorders by an expert system: a 99Tcm-HMPAO brain SPET study using automated image registration.

Nuclear medicine communications·1999
Same author

[Continuous epidural infusion of bupivacaine and buprenorphine for postoperative pain relief].

Masui. The Japanese journal of anesthesiology·1992
Same author

[Sevoflurane anesthesia for asthmatic patients: report of five cases].

Masui. The Japanese journal of anesthesiology·1992
Same author

Occurrence of the nfxB type mutation in clinical isolates of Pseudomonas aeruginosa.

Antimicrobial agents and chemotherapy·1992

This study used PET scans to map brain activity during olfactory and visual tasks. It found the cerebellum plays a role in cognitive olfactory processing and identified specific brain regions involved in odor naming and matching.

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Neuroimaging

Background:

  • Understanding the neural basis of sensory processing is crucial for cognitive neuroscience.
  • Olfactory and visual systems are key to human perception and memory.
  • Previous research has explored visual processing, but the neural underpinnings of olfactory cognition are less understood.

Purpose of the Study:

  • To investigate the functional anatomy of olfactory and visual naming and matching in humans.
  • To identify brain regions activated during olfactory naming and matching tasks using Positron Emission Tomography (PET).
  • To explore the role of the cerebellum in cognitive olfactory processing.

Main Methods:

  • Eight healthy volunteers underwent PET scans while performing various tasks.

Related Experiment Videos

  • Tasks included baseline control, simple olfactory/visual stimulation, olfactory naming (ON), and olfactory matching (OM).
  • ON required retrieving long-term olfactory memory; OM required short-term olfactory memory for differentiation.

    • Main Results:

    • Simple stimulation activated the left orbitofrontal cortex, right piriform cortex, and bilateral occipital cortex.
    • Olfactory naming (ON) activated the left cuneus, right anterior cingulate gyrus, left insula, and cerebellum.
    • Olfactory matching (OM) activated the left cuneus and cerebellum; the left cuneus was specific to ON.
    • Visual cortex recruitment was observed in both ON and OM tasks, likely due to imagery.

    Conclusions:

    • The study highlights the involvement of the left cuneus and cerebellum in olfactory naming and matching.
    • The findings suggest the human cerebellum may play a role in cognitive olfactory processing.
    • Visual cortex activation indicates an imagery component in olfactory tasks.