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Brain Imaging

Brain Imaging

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Updated: Mar 16, 2026

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function

Published on: July 14, 2016

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function.

Chrystalina A Antoniades¹, James J FitzGerald²

¹Nuffield Department of Clinical Neuroscience, The University of Oxford; chrystalina.antoniades@ndcn.ox.ac.uk.

Journal of Visualized Experiments : Jove

|August 9, 2016

Summary

This summary is machine-generated.

Quantitative saccadic eye movement analysis offers a potential biomarker for neurodegenerative diseases like Parkinson's. Studying eye movements during deep brain stimulation can reveal insights into brain function and disease mechanisms.

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Last Updated: Mar 16, 2026

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function

Using Saccadometry with Deep Brain Stimulation to Study Normal and Pathological Brain Function

Published on: July 14, 2016

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Area of Science:

Neuroscience
Ophthalmology
Neurology

Background:

The oculomotor system, involving basal ganglia, is disrupted in neurodegenerative diseases like Parkinson's and Huntington's.
Increased saccadic latencies are observed in Parkinson's disease patients.
Quantitative saccadic eye movement measurement is a potential biomarker for neurodegenerative conditions.

Purpose of the Study:

To explore how perturbing specific brain areas affects eye movements, enhancing understanding of brain function in health and disease.
To investigate the pathophysiology of neurodegenerative diseases and the mechanisms of deep brain stimulation (DBS) using eye movement analysis.

Main Methods:

Utilizing deep brain stimulation (DBS) to modulate activity in specific brain areas, particularly the basal ganglia.
Measuring saccadic eye movements with DBS systems both ON and OFF.
Comparing eye movement data under different stimulation conditions to analyze neural function.

Main Results:

Deep brain stimulation (DBS) allows for the study of oculomotor system function by comparing eye movements with stimulation ON and OFF.
This approach enables the investigation of disease pathophysiology and the mechanisms underlying DBS efficacy.
Insights into normal neurophysiology can also be gained through this experimental paradigm.

Conclusions:

Quantitative analysis of saccadic eye movements during DBS is a valuable tool for understanding neurodegenerative diseases.
This method can elucidate disease mechanisms, DBS therapeutic effects, and fundamental aspects of brain function.
Eye movement analysis serves as a powerful biomarker and research approach in neurology and neuroscience.