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

Auditory frequency discrimination and event-related potentials.

M Sams, P Paavilainen, K Alho

    Electroencephalography and Clinical Neurophysiology
    |November 1, 1985
    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

    Auditory sensory memory and working memory skills: Association between frontal MMN and performance scores.

    Brain research·2018
    Same author

    Event-related potentials during individual, cooperative, and competitive task performance differ in subjects with analytic vs. holistic thinking.

    International journal of psychophysiology : official journal of the International Organization of Psychophysiology·2017
    Same author

    Spatiotemporal Dynamics of Attention Networks Revealed by Representational Similarity Analysis of EEG and fMRI.

    Cerebral cortex (New York, N.Y. : 1991)·2016
    Same author

    Gaming is related to enhanced working memory performance and task-related cortical activity.

    Brain research·2016
    Same author

    Media multitasking is associated with distractibility and increased prefrontal activity in adolescents and young adults.

    NeuroImage·2016
    Same author

    Behavioral and electrophysiological indicators of auditory distractibility in children with ADHD and comorbid ODD.

    Brain research·2015
    Same journal

    Coming to terms with brain waves.

    Electroencephalography and clinical neurophysiology·2014
    Same journal

    Habituation of lower leg stretch responses in Parkinson's disease.

    Electroencephalography and clinical neurophysiology·2000
    Same journal

    Asymmetry of cortical excitability revealed by transcranial stimulation in a patient with focal motor epilepsy and cortical myoclonus.

    Electroencephalography and clinical neurophysiology·2000
    Same journal

    Evoked isometric muscle contractions in myopathies: analysis of pathophysiological properties by different stimulus patterns.

    Electroencephalography and clinical neurophysiology·2000
    Same journal

    Task-related coherence and task-related spectral power changes during sequential finger movements.

    Electroencephalography and clinical neurophysiology·2000
    Same journal

    Electrophysiological studies in mild idiopathic carpal tunnel syndrome.

    Electroencephalography and clinical neurophysiology·2000
    See all related articles

    Mismatch negativity (MMN) reflects passive auditory discrimination. Detecting deviants also elicits N2b and parietal positivity, indicating conscious awareness of sound changes.

    Area of Science:

    • Neuroscience
    • Auditory Perception
    • Cognitive Neuroscience

    Background:

    • Auditory stimulus processing involves detecting changes in sound sequences.
    • Mismatch negativity (MMN) is an event-related potential (ERP) component linked to automatic change detection.

    Purpose of the Study:

    • To investigate the neural correlates of passive auditory change detection versus active discrimination.
    • To differentiate the ERP components associated with unawareness (MMN) and awareness (N2b, parietal positivity) of auditory deviants.

    Main Methods:

    • Presented auditory stimuli (80% standard, 20% deviant tones) to 6 subjects.
    • Employed two conditions: 'ignore' (passive listening) and 'discrimination' (active detection).
    • Recorded event-related potentials (ERPs) to analyze neural responses to standard and deviant stimuli.

    Related Experiment Videos

    Main Results:

    • In the ignore condition, MMN was elicited by suprathreshold deviants (1016 Hz, 1032 Hz) and weakly by threshold deviants (1008 Hz).
    • In the discrimination condition, detected deviants elicited MMN, N2b (longer latency, posterior distribution), and a slow parietal positivity.
    • The parietal positivity was specifically associated with detected deviants, suggesting a role in conscious awareness of auditory change.

    Conclusions:

    • MMN reflects automatic, pre-attentive auditory change detection mechanisms.
    • N2b and parietal positivity are associated with the conscious discrimination and awareness of auditory changes.
    • These findings support the hypothesis that MMN underlies passive discrimination, while other components signal conscious perception.