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 Concept Videos

Brain Waves01:23

Brain Waves

Brain waves are electrical signals generated by the neurons in the brain, which are regularly monitored to measure mental activities. Brain waves and their frequency ranges can be measured using an electroencephalogram or EEG. There are four main types of brain waves, each with distinct characteristics:

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Relationship among Sleep Disturbance, Stress, and Suicidal Ideation in Clinical High Risk for Psychosis.

Schizophrenia bulletin open·2026
Same author

Exploring the mechanisms underlying the phenomenon of inner speaking-induced suppression.

eNeuro·2026
Same author

Distinct Attentional Control Profiles during Language Comprehension in Major Mental Health Disorders.

Biological psychiatry. Cognitive neuroscience and neuroimaging·2026
Same author

Prediction-based sensory attenuation is related to prediction-based motor attenuation.

Imaging neuroscience (Cambridge, Mass.)·2026
Same author

A primer on corollary discharges: neural signals that distinguish 'Self' from 'World'.

NPP - digital psychiatry and neuroscience·2026
Same author

Computerized assessments of emotional expression and emotional reactivity predict negative symptoms in individuals at clinical high-risk for psychosis.

Psychological medicine·2026

Related Experiment Video

Updated: Jun 21, 2026

Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy
10:22

Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy

Published on: December 6, 2016

Spatio-temporal EEG waves in first episode schizophrenia.

David M Alexander1, Gary J Flynn, Wilson Wong

  • 1Laboratory for Perceptual Dynamics, RIKEN Brain Science Institute, Japan. dalex@brain.riken.jp

Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
|August 4, 2009
PubMed
Summary

Individuals with first episode schizophrenia (FES) exhibit altered brain wave dynamics along the anterior-posterior axis during context processing tasks, differing from healthy controls.

More Related Videos

Multi-system Monitoring for Identification of Seizures, Arrhythmias and Apnea in Conscious Restrained Rabbits
10:25

Multi-system Monitoring for Identification of Seizures, Arrhythmias and Apnea in Conscious Restrained Rabbits

Published on: March 27, 2021

Network Analysis of Foramen Ovale Electrode Recordings in Drug-resistant Temporal Lobe Epilepsy Patients
09:32

Network Analysis of Foramen Ovale Electrode Recordings in Drug-resistant Temporal Lobe Epilepsy Patients

Published on: December 18, 2016

Related Experiment Videos

Last Updated: Jun 21, 2026

Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy
10:22

Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy

Published on: December 6, 2016

Multi-system Monitoring for Identification of Seizures, Arrhythmias and Apnea in Conscious Restrained Rabbits
10:25

Multi-system Monitoring for Identification of Seizures, Arrhythmias and Apnea in Conscious Restrained Rabbits

Published on: March 27, 2021

Network Analysis of Foramen Ovale Electrode Recordings in Drug-resistant Temporal Lobe Epilepsy Patients
09:32

Network Analysis of Foramen Ovale Electrode Recordings in Drug-resistant Temporal Lobe Epilepsy Patients

Published on: December 18, 2016

Area of Science:

  • Neuroscience
  • Psychiatry
  • Computational Neuroscience

Background:

  • Schizophrenia is marked by impaired context processing.
  • Physiological correlates include hypofrontality and reduced P3b event-related potentials.
  • This study investigates spatio-temporal dynamics of cortical activity.

Purpose of the Study:

  • To identify differences in spatio-temporal dynamics of cortical activity along the anterior-posterior axis in first episode schizophrenia (FES).
  • To explore the relationship between these dynamics and schizophrenia symptoms.

Main Methods:

  • Assessed latency topographies of spatio-temporal waves using electroencephalography (EEG).
  • Recorded EEG during auditory and visual tasks eliciting the P3b potential.
  • Quantified event-related spatio-temporal waves in FES subjects and matched controls.

Main Results:

  • A peak in delta band (2-4 Hz) spatio-temporal waves occurred at P3b latency.
  • FES subjects showed fewer anterior to posterior waves compared to controls.
  • Fewer anterior to posterior waves correlated with higher Psychomotor Poverty symptom scores.

Conclusions:

  • First episode schizophrenia is associated with altered global EEG dynamics along the anterior-posterior axis during context update tasks.
  • These findings, linked to Psychomotor Poverty, may relate to hypofrontality in schizophrenia.