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

Evoked potential correlates of stable inter-individual differences in rat behaviour.

P E Harrison-Read

    Brain Research Bulletin
    |May 1, 1979
    PubMed
    Summary

    Individual rats show stable differences in exploratory behavior, linked to visual system neurophysiology. Cortical visual evoked potential recovery functions correlate with novelty-seeking behavior, indicating a brain basis for sensory information processing.

    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

    Flumazenil-precipitated panic and dysphoria in patients dependent on benzodiazepines: a possible aid to abstinence.

    Journal of psychopharmacology (Oxford, England)·2012
    Same author

    Flumazenil-precipitated panic and dysphoria in patients dependent on benzodiazepines: a possible aid to abstinence--authors' response.

    Journal of psychopharmacology (Oxford, England)·2012
    Same author

    L-dopa helps positive but not negative features of neuroleptic-insensitive chronic schizophrenia.

    Journal of psychopharmacology (Oxford, England)·2012
    Same author

    Antimanic potency of typical neuroleptic drugs and affinity for dopamine D2 and serotonin 5-HT2A receptors--a new analysis of data from the archives and implications for improved antimanic treatments.

    Journal of psychopharmacology (Oxford, England)·2008
    Same author

    Models of mania and antimanic drug actions: progressing the endophenotype approach.

    Journal of psychopharmacology (Oxford, England)·2008
    Same author

    Lithium withdrawal mania supports lithium's antimanic action and suggests an animal model involving serotonin.

    The British journal of psychiatry : the journal of mental science·1998

    Area of Science:

    • Neuroscience
    • Animal Behavior
    • Sensory Processing

    Background:

    • Individual differences in exploratory behavior in rats are consistent over time.
    • These stable behavioral variations suggest underlying, inherent differences in neural mechanisms for sensory information processing.
    • Previous research indicates a potential neurophysiological basis for these behavioral differences.

    Purpose of the Study:

    • To investigate the neurophysiological basis of individual differences in rats' exploratory behavior.
    • To examine the relationship between exploratory behavior and the recovery functions of cortical visual evoked potentials.
    • To determine if visual system responsiveness correlates with an individual rat's capacity to respond to novelty.

    Main Methods:

    • Cortical visual evoked potentials (VEPs) were measured in rats.

    Related Experiment Videos

  • VEPs were elicited using pairs of flash stimuli with interstimulus intervals (ISIs) of 100, 200, and 300 msec.
  • Recovery functions were calculated as the ratio of the second VEP amplitude to the first, focusing on short-latency components in alert rats.

    • Main Results:

    • A significant negative correlation was observed between individual variation in exploratory behavior and VEP recovery functions.
    • This suggests that rats with less exploratory behavior exhibited altered visual system responsiveness.
    • The findings indicate that VEP recovery functions reflect neurophysiological mechanisms related to novelty processing.

    Conclusions:

    • Cortical visual evoked potential recovery functions provide a neurophysiological measure related to individual differences in exploratory behavior.
    • These findings support the hypothesis that distinct neural mechanisms underlie variations in how rats process sensory information and respond to novelty.
    • The study highlights the link between visual system function and behavioral traits in rats.