Related Experiment Video
Updated: Aug 9, 2026

MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
Published on: May 10, 2012
Very high frequency oscillations (VHFO) as a predictor of movement intentions
Sara L Gonzalez1, Rolando Grave de Peralta, Gregor Thut
1Electrical Neuroimaging Group, Neurology Department, Geneva University Hospital, 24 Rue Micheli du Crest, 1211 Geneva 14, Switzerland. Sara.GonzalezAndino@hcuge.ch
Very high frequency oscillations (VHFO) in healthy brains predict movement laterality. These brain oscillations, previously linked to epilepsy, are vital for coding upcoming motor actions.
Area of Science:
- Neuroscience
- Electrophysiology
- Cognitive Science
Background:
- Gamma band oscillations (30-80 Hz) are key to neural coding.
- Very high frequency oscillations (VHFO, 80-200 Hz) show potential functional roles.
- Intracerebral studies link VHFO to human epileptogenesis, questioning their presence in healthy brains.
Purpose of the Study:
- To investigate the presence and function of VHFO in the healthy human brain.
- To determine if VHFO play a role beyond pathological conditions like epilepsy.
- To explore the coding capacity of VHFO in relation to motor tasks.
Main Methods:
- Electroencephalography (EEG) recordings from twelve healthy volunteers.
- Participants performed a visuo-motor reaction time task.
- Analysis of oscillations in the 30-200 Hz range during the task.
Main Results:
- VHFO (30-200 Hz) were detected in healthy individuals during a motor task.
- These oscillations accurately predicted the hand's response laterality (>96%) in single trials.
- VHFO demonstrated a functional role in coding information about impending movements.
Conclusions:
- VHFO are not exclusively pathological and are present in the healthy human brain.
- VHFO functionally belong to an enlarged gamma band, crucial for neural coding.
- Findings impact electrophysiological data analysis in both healthy subjects and patients.
More Related Videos
07:28A Method for Evaluating Timeliness and Accuracy of Volitional Motor Responses to Vibrotactile Stimuli
Published on: August 2, 2016
10:22Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy
Published on: December 6, 2016
Related Concept Videos
Determination of Expected Frequency
Absolute Motion Analysis- General Plane Motion
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the drone...
Relative Motion Analysis - Velocity
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
Simple Harmonic Motion
Characteristics of Simple Harmonic Motion
Orthogonal Trajectories