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

Callosal window between prefrontal cortices: cognitive interaction to retrieve long-term memory

I Hasegawa1, T Fukushima, T Ihara

  • 1Department of Physiology, University of Tokyo School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan. hasegawa@m.u-tokyo.ac.jp

Science (New York, N.Y.)
|August 7, 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

Local and retrograde gene transfer into primate neuronal pathways via adeno-associated virus serotype 8 and 9.

Neuroscience·2011
Same author

Comparison of artifacts on coronal reformation and axial CT pulmonary angiography images using single-detector and 4- and 8-detector multidetector-row helical CT scanners.

Academic radiology·2005
Same author

Interactions between clarithromycin and digoxin in patients with end-stage renal disease.

International journal of clinical pharmacology and therapeutics·2005
Same author

High-resolution CT using MDCT: comparison of degree of motion artifact between volumetric and axial methods.

AJR. American journal of roentgenology·2004
Same author

Frequency and severity of air trapping at dynamic expiratory CT in patients with tracheobronchomalacia.

AJR. American journal of roentgenology·2003
Same author

Plasma triglyceride-rich lipoprotein remnants as a risk factor of 'Pokkuri disease'.

Legal medicine (Tokyo, Japan)·2003

Memory retrieval is directed by the prefrontal cortex, not solely stored there. Even without direct sensory input, the anterior corpus callosum enables top-down control for recalling visual memories.

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Primate Research

Background:

  • Recalling perceptual images from memory occurs without ongoing sensory stimulation.
  • The precise neural mechanisms underlying memory retrieval, particularly top-down regulation, remain incompletely understood.

Purpose of the Study:

  • To investigate the role of the prefrontal cortex in regulating memory retrieval.
  • To determine if top-down processes from the prefrontal cortex influence the recall of visual associative memories.

Main Methods:

  • A visual associative memory task was employed within a partial split-brain monkey model.
  • The anterior corpus callosum's role in interhemispheric communication of memory information was assessed.

Main Results:

Related Experiment Videos

  • Long-term visual memories, formed via stimulus-stimulus association, did not transfer across the anterior corpus callosum.
  • However, the anterior corpus callosum facilitated instructed memory retrieval when a visual cue in one hemisphere prompted recall in the other.

Conclusions:

  • Visual long-term memories are primarily stored in the temporal cortex.
  • Memory retrieval processes are under the executive control of the prefrontal cortex, demonstrating top-down regulation.