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

Bimodal electrodermal activity in schizophrenia.

A M Mirkin

    The British Journal of Clinical Psychology
    |May 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Acute schizophrenics show heightened electrodermal activity (EDA) responses, while chronic patients exhibit reduced responses. Symptom presentation, whether positive or negative, further differentiates these electrodermal activity patterns in schizophrenia subtypes.

    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

    Electrodermal activity in depression: clinical and biochemical correlates.

    The British journal of psychiatry : the journal of mental science·1980
    See all related articles

    Area of Science:

    • Psychiatry
    • Neuroscience
    • Psychophysiology

    Background:

    • Schizophrenia is a complex mental disorder with varying clinical presentations.
    • Electrodermal activity (EDA) is a psychophysiological measure sensitive to autonomic nervous system arousal.
    • Previous research suggests altered EDA responses in schizophrenia, but findings are inconsistent.

    Purpose of the Study:

    • To investigate differences in EDA responses between acute and chronic schizophrenia patients.
    • To explore the relationship between symptom presentation (positive/negative) and EDA responsivity.
    • To understand the potential for bimodality in EDA responses within schizophrenia samples.

    Main Methods:

    • Assessed electrodermal activity (EDA) responses in patients diagnosed with schizophrenia.

    Related Experiment Videos

  • Categorized patients into acute and chronic groups.
  • Correlated EDA response patterns with the presence of positive or negative symptoms.

    • Main Results:

    • Acute schizophrenic patients demonstrated significantly higher EDA hyper-responsivity compared to chronic patients, who were hypo-responders.
    • Within acute patients, those with positive symptoms showed over-responsivity.
    • Within chronic patients, those with negative symptoms exhibited under-responsivity.

    Conclusions:

    • EDA response patterns differ significantly between acute and chronic schizophrenia.
    • Symptom dimensions (positive/negative) are associated with distinct EDA profiles.
    • The observed bimodality in EDA responses likely results from testing mixed samples of acute and chronic schizophrenia patients with differing symptom profiles.