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

Memory representation within the parahippocampal region

B J Young1, T Otto, G D Fox

  • 1Department of Psychology, University of Otago, Dunedin, New Zealand.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|July 1, 1997
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

Erratum: "First experiments with ultrashort, circularly polarized soft x-ray pulses at FLASH2" [Struct. Dyn. <b>12</b>, 034301 (2025)].

Structural dynamics (Melville, N.Y.)·2026
Same author

A dosimetry innovation using hybrid pixel detectors in interventional theatres.

Scientific reports·2026
Same author

First experiments with ultrashort, circularly polarized soft x-ray pulses at FLASH2.

Structural dynamics (Melville, N.Y.)·2025
Same author

The first use of olives in Africa around 100,000 years ago.

Nature plants·2022
Same author

Task-induced subjective fatigue and resting-state striatal connectivity following traumatic brain injury.

NeuroImage. Clinical·2022
Same author

[Urinary bladder microbiome analysis and probiotic treatment options for women with recurrent urinary tract infections].

Der Urologe. Ausg. A·2021
Same journal

Vestibular function drives gaze stability in locomoting macaques.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Region- and layer-specific glutamatergic synapse development in the nascent cortical hierarchy.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Endogenous peptide derived from c-Cbl-associated protein counteracts its inhibitory effect on enteric neural crest cell colonization in Hirschsprung disease.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Drowsiness alters the neural dynamics but not the core computations of multisensory integration.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

A Matter of Parameters: Tailored Transcranial Focused Ultrasound Enhances Cortico-Thalamo-Cortical Circuit Resonance.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same journal

Proactive visual and motor prioritization differentially scale with cue reliability.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
See all related articles

The parahippocampal region (PHR) encodes odor memories and supports recognition, functioning independently of the hippocampus. Neuronal activity in the PHR is crucial for memory recall and decision-making in odor-guided tasks.

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Memory Research

Background:

  • The parahippocampal region (PHR) is implicated in memory functions.
  • Understanding the specific role of the PHR in recognition memory is crucial.

Purpose of the Study:

  • To investigate neuronal activity in the PHR during an odor-guided delayed nonmatching-to-sample task.
  • To determine the PHR's contribution to encoding and maintaining odor memories.
  • To compare the PHR's function with that of the hippocampus in recognition memory.

Main Methods:

  • Electrophysiological recordings of 378 single neurons in the rat PHR (perirhinal cortex, lateral entorhinal cortex, subiculum).
  • Utilized an odor-guided delayed nonmatching-to-sample task to assess neuronal responses during odor sampling, memory delay, and recognition phases.

Related Experiment Videos

  • Analyzed neuronal activity for odor selectivity and temporal coding related to task events.

    • Main Results:

    • Nearly all recorded neurons exhibited activity linked to specific trial events.
    • A significant proportion of PHR neurons showed odor-selective activity during odor sampling and the memory delay period.
    • Neuronal responses during stimulus repetition in the recognition phase indicated odor-selective modulation, supporting match-nonmatch judgments.

    Conclusions:

    • The PHR plays a critical role in encoding specific memory cues and maintaining stimulus representations for recognition memory.
    • The PHR supports recognition memory independently of the hippocampus, which shows limited stimulus-specific coding in this task.
    • Neuronal activity within the PHR is essential for successful performance in odor-guided recognition tasks.