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

ERPs, semantic processing and age

T Miyamoto1, J Katayama, T Koyama

  • 1Department of Psychiatry and Neurology, School of Medicine, Hokkaido University, Sapporo, Japan. tmiyamot@med.hokudai.ac.jp

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
|June 26, 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

Increased expression of queuosine synthesizing enzyme, tRNA-guanine transglycosylase, and queuosine levels in tRNA of leukemic cells.

Journal of biochemistry·2001
Same author

A transposon carrying the gene mphB for macrolide 2'-phosphotransferase II.

FEMS microbiology letters·2000
Same author

Regulation of transcription of the mph(A) gene for macrolide 2'-phosphotransferase I in Escherichia coli: characterization of the regulatory gene mphR(A).

Journal of bacteriology·2000
Same author

N-[[1-(2-phenylethyl)pyrrolidin-2-yl]methyl]cyclohexanecarboxamides as selective 5-HT1A receptor agonists.

Bioorganic & medicinal chemistry letters·2000
Same author

[Drug Compliance Scale. I. Development of the Drug Compliance Scale].

Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan·2000
Same author

[Drug Compliance Scale. II. Psychological factors affecting drug compliance in the department of psychosomatic medicine].

Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan·2000
Same journal

Comparison of slow-paced breathing interventions with and without an inhalation-hold on physiological outcomes: A randomized cross-over pilot study.

International journal of psychophysiology : official journal of the International Organization of Psychophysiology·2026
Same journal

The role of inferior frontal gyrus in emotion regulation: Evidence from fMRI and tDCS investigation.

International journal of psychophysiology : official journal of the International Organization of Psychophysiology·2026
Same journal

Trait anxiety in young adults is more consistently associated with resting-state EEG microstate transitions than with stationary spectral power.

International journal of psychophysiology : official journal of the International Organization of Psychophysiology·2026
Same journal

Neural modulation of emotional-word processing during the attentional blink under varying T1 task demands: An ERP study.

International journal of psychophysiology : official journal of the International Organization of Psychophysiology·2026
Same journal

Attentional resource allocation in the early stages of motor skill learning.

International journal of psychophysiology : official journal of the International Organization of Psychophysiology·2026
Same journal

Operation-specific ERP dynamics of arithmetic processing in children with developmental dyscalculia.

International journal of psychophysiology : official journal of the International Organization of Psychophysiology·2026
See all related articles

Elderly individuals show reduced N400 brain responses during semantic mismatch tasks, suggesting age-related changes in semantic processing impact cognitive function. This highlights the need to consider aging effects in clinical research.

Area of Science:

  • Cognitive Neuroscience
  • Psychology
  • Linguistics

Background:

  • Aging impacts cognitive functions, including semantic processing.
  • Event-related potentials (ERPs) like N400, LPC, and CNV are sensitive to cognitive processes.
  • Understanding age-related changes in semantic networks is crucial for clinical applications.

Purpose of the Study:

  • To investigate age-related differences in semantic processing using ERPs.
  • To examine how aging affects the N400, LPC, and CNV components during a category matching task.
  • To explore the neural mechanisms underlying semantic processing in young versus elderly adults.

Main Methods:

  • Two age groups (young and elderly) participated in a word-pair category matching paradigm.
  • Event-related potentials (ERPs), including N400, LPC, and CNV, were recorded.

Related Experiment Videos

  • Participants responded to target stimuli (Kanji) preceded by semantic primes (Japanese nouns) in match and mismatch conditions.

    • Main Results:

    • Elderly subjects exhibited longer reaction times (RTs) and reduced N400 amplitude under mismatch conditions.
    • N400 amplitude in elderly subjects did not differ between match and mismatch conditions, unlike in young subjects.
    • Larger CNV amplitudes were observed in elderly participants, suggesting potential attentional differences.

    Conclusions:

    • Reduced N400 in elderly individuals may stem from larger semantic networks and diffuse activation due to aging.
    • Attentional disturbances play a secondary role in the observed N400 reduction.
    • Age-related cognitive changes must be considered in clinical studies involving semantic processing.