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

Neural systems for tactual memories

E Bonda1, M Petrides, A Evans

  • 1Montreal Neurological Institute, McGill University, Quebec, Canada.

Journal of Neurophysiology
|April 1, 1996
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

Leprosy of the Larynx.

Proceedings of the Royal Society of Medicine·2009
Same author

A Case of Diffuse Fibromata of the Gums.

Proceedings of the Royal Society of Medicine·2009
Same author

Excision of Half the Larynx for Large Carcinomatous Tumour of the Arytænoid.

Proceedings of the Royal Society of Medicine·2009
Same author

Excision of the Larynx, lower part of the Pharynx, and Upper End of the Œsophagus for Malignant Disease (Squamous-celled Carcinoma) of those Structures.

Proceedings of the Royal Society of Medicine·2009
Same author

New Growth of Right Tonsil invading the Surrounding Tissues.

Proceedings of the Royal Society of Medicine·2009
Same author

Adipocytokines and the risk of coronary heart disease in healthy middle aged men: the PRIME Study.

International journal of obesity (2005)·2009

This study reveals the brain regions crucial for tactile memory. The posteroventral insula and perirhinal cortex are key for processing touch experiences and forming lasting somatosensory memories.

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Sensory Processing

Background:

  • Understanding the neural basis of tactile memory is essential for comprehending how the brain processes somatosensory information.
  • Previous research has primarily focused on visual and auditory memory, leaving tactile memory less explored.

Purpose of the Study:

  • To investigate the specific neural systems engaged during the memory processing of tactile experiences.
  • To differentiate brain activity associated with short-term tactile memory versus long-term tactile memory recall.

Main Methods:

  • Utilized positron emission tomography (PET) with water bolus H2(15)O methodology to measure regional cerebral blood flow.
  • Employed experimental tasks involving palpating shapes for matching (long-term memory) and judging recent recurrence (short-term memory).

Related Experiment Videos

  • Implemented a subtraction method comparing experimental tasks against control tasks to isolate memory-related brain activity.

    • Main Results:

    • Significant changes in brain activity were observed in the posteroventral insula and central opercular region during tactile memory tasks compared to controls.
    • Recall from long-term tactile memory specifically activated the perirhinal cortex.
    • Identified a ventrally directed parietoinsular pathway connecting these regions.

    Conclusions:

    • A neural system involving the parietoinsular pathway, posteroventral insula, and perirhinal cortex is proposed for forming long-lasting tactile representations.
    • The posteroventral insula is hypothesized to be involved in tactile feature analysis, analogous to the inferotemporal cortex in vision.
    • The perirhinal cortex plays a role in integrating tactile features into enduring somatosensory memories.