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

A PET study of axis orientation discrimination

M Taira1, R Kawashima, K Inoue

  • 11st Department of Physiology, Nihon University School of Medicine, Itabashi, Tokyo, Japan.

Neuroreport
|March 21, 1998
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

[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
Same author

Identification of the binding site of 55kDa tumor necrosis factor receptor by synthetic peptides.

Biochemical and biophysical research communications·1992
Same author

Two reactions are simultaneously catalyzed by a single enzyme: the arginine-dependent simultaneous formation of two products, ethylene and succinate, from 2-oxoglutarate by an enzyme from Pseudomonas syringae.

Biochemical and biophysical research communications·1992
Same author

Molecular cloning in Escherichia coli, expression, and nucleotide sequence of the gene for the ethylene-forming enzyme of Pseudomonas syringae pv. phaseolicola PK2.

Biochemical and biophysical research communications·1992

This study used positron emission tomography (PET) to identify brain areas active during orientation discrimination tasks. Findings reveal distinct parietal cortex regions for hand movement versus perceptual orientation discrimination.

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Neuroimaging

Background:

  • Understanding the neural basis of spatial orientation discrimination is crucial for cognitive neuroscience.
  • Previous research has implicated various cortical areas in visual and motor processing, but specific roles in axis orientation discrimination remain to be fully elucidated.

Purpose of the Study:

  • To investigate the cortical activation patterns associated with axis orientation discrimination during hand movement and perception.
  • To differentiate the neural substrates underlying the motor and perceptual components of orientation discrimination.

Main Methods:

  • Positron emission tomography (PET) was employed to measure brain activity in healthy, right-handed participants.
  • Participants performed two tasks: a hand orientation (HO) task and an orientation discrimination (OD) task, alongside a control task.

Related Experiment Videos

Main Results:

  • The orientation discrimination (OD) task showed increased activation in the parietal cortex and inferior frontal gyrus.
  • The hand orientation (HO) task revealed activation in the intraparietal sulcus, inferior and middle frontal gyri, fusiform gyrus, and middle temporal gyrus.
  • Distinct fields within the intraparietal sulcus were associated with hand movement (left) and perception (right).

Conclusions:

  • Cortical areas involved in axis orientation discrimination are segregated within the parietal cortex.
  • The left intraparietal sulcus is implicated in the motor aspect of orientation discrimination (hand movement).
  • The right intraparietal sulcus is associated with the perceptual aspect of orientation discrimination.