Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Brain Imaging

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans), magnetic resonance imaging (MRI), functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...

You might also read

Related Articles

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

Sort by

Same author

The Role of Emotion Dysregulation, Impulsiveness and Rumination in Psychopathology: Evidence from an Italian Sample of Adolescents and Young Adults.

Brain sciences·2026

Same author

Prevalence of Lewy body pathology and phenotypic associations in patients with mild cognitive impairment: Evidence from the Interceptor study.

Alzheimer's & dementia (Amsterdam, Netherlands)·2026

Same author

PROCare4Life integrated care model validation.

Open research Europe·2026

Same author

EEG-motor correlation as early Alzheimer's disease index in herpes simplex virus type-1-infected mice.

Brain communications·2026

Same author

Non-Invasive Brain Stimulation in Frontotemporal Dementia: A Systematic Review of Non-Pharmacological Treatment Approaches.

International journal of molecular sciences·2026

Same author

Exploring small-world brain connectivity in aging and its relationship with cognitive reserve.

Alzheimer's & dementia (New York, N. Y.)·2026

Search research articles

Related Experiment Video

Updated: Nov 17, 2025

Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks

Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks

Published on: December 5, 2014

Brain sources' activity in resting state before a visuo-motor task.

Francesca Miraglia¹, Fabrizio Vecchio¹, Francesca Alù¹

¹Brain Connectivity Laboratory, Department of Neuroscience and Neurorehabilitation, IRCCS San Raffaele Pisana, Rome, Italy.

Journal of Neural Engineering

|February 18, 2021

Summary

Brain hemisphere activity measured by electroencephalography (EEG) during rest predicts reaction times (RTs) in a visuo-motor task. Higher global spectra power density in central areas correlated with faster RTs, suggesting a link between resting brain rhythms and task performance.

Keywords:

EEG brain networks resting state

More Related Videos

Cortical Source Analysis of High-Density EEG Recordings in Children

Cortical Source Analysis of High-Density EEG Recordings in Children

Published on: June 30, 2014

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation

Published on: May 12, 2014

Related Experiment Videos

Last Updated: Nov 17, 2025

Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks

Functional Near Infrared Spectroscopy of the Sensory and Motor Brain Regions with Simultaneous Kinematic and EMG Monitoring During Motor Tasks

Published on: December 5, 2014

Cortical Source Analysis of High-Density EEG Recordings in Children

Cortical Source Analysis of High-Density EEG Recordings in Children

Published on: June 30, 2014

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation

Extracting Visual Evoked Potentials from EEG Data Recorded During fMRI-guided Transcranial Magnetic Stimulation

Published on: May 12, 2014

Area of Science:

Neuroscience
Cognitive Neuroscience
Brain Electrophysiology

Background:

Understanding brain hemisphere mechanisms in response to stimuli is crucial for predicting behavior and enhancing performance.
Interhemispheric differences in brain activity and their relation to cognitive tasks remain an active area of research.

Purpose of the Study:

To investigate electroencephalographic (EEG) brain rhythm characteristics and interhemispheric differences during resting state.
To correlate resting state EEG signals with reaction times (RTs) in a subsequent visuo-motor task in healthy adults.

Main Methods:

Recorded EEG signals in healthy adults during resting state (eyes open and eyes closed) prior to a visuo-motor task.
Analyzed EEG data in the cortical source space, calculating global spectra power density (GSPD) and a brain laterality index (L).
Correlated pre-task EEG measures with measured reaction times (RTs) to visual cues.

Main Results:

A negative correlation was observed between RTs and GSPD in central areas of both hemispheres, regardless of eye condition (EO/EC).
Parietal areas showed a near-significant negative correlation between RTs and GSPD.
RTs negatively correlated with the brain laterality index (L) in central areas during the eyes-closed condition.

Conclusions:

Pre-task brain activity, specifically GSPD in central areas, is a significant predictor of subsequent reaction times in visuo-motor tasks.
The findings suggest that resting-state EEG measures can characterize brain states relevant to upcoming task performance.
Interhemispheric differences in brain activity may play a role in modulating reaction speed.