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Related Experiment Video

Updated: Jul 4, 2026

Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex

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Published on: April 15, 2015

Higher-order brain processes, rather than early processing, underlie sensory problems in ME/CFS: evidence from ERPs.

Sanjay Kumar¹, Alfred Veldhuis¹, Farzaneh Yazdani^2,3

¹Department of Psychology, Social Work and Public Health, Oxford Brookes University, Oxford, United Kingdom.

Frontiers in Medicine

|July 3, 2026

Summary

Patients with Myalgic Encephalomyelitis (ME)/Chronic Fatigue Syndrome (CFS) exhibit heightened sensory issues. Research indicates these problems stem from higher-order brain processing, not sensory systems, suggesting new treatment avenues for ME/CFS sensory challenges.

Keywords:

brain chronic sensation cognition electroencephalography fatigue syndrome

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Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex

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Published on: April 15, 2015

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Published on: July 1, 2015

Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome

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Published on: July 31, 2016

Area of Science:

Neuroscience
Clinical Psychology
Psychophysiology

Background:

Myalgic Encephalomyelitis (ME)/Chronic Fatigue Syndrome (CFS) is characterized by significant sensory processing difficulties impacting daily life.
The precise neural mechanisms underlying sensory problems in ME/CFS remain unclear, despite neuroimaging suggesting sensory brain area involvement.

Purpose of the Study:

To investigate the role of early sensory processing and late information processing brain systems in ME/CFS.
To determine if altered brain activity in specific processing stages correlates with subjective sensory problems in ME/CFS patients.

Main Methods:

A cohort of 31 ME/CFS patients and 30 healthy controls participated.
Subjective sensory problem experiences were assessed.
Event-related brain potentials (ERPs), specifically P50 suppression and P300 amplitude, were measured using auditory tasks.

Main Results:

ME/CFS patients reported significantly more sensory problems than controls.
No significant difference in P50 suppression was found between groups.
A significantly reduced P300 potential was observed in the ME/CFS group compared to controls.

Conclusions:

Higher-order, control-based brain mechanisms, particularly in information processing, contribute to sensory problems in ME/CFS.
Interventions targeting higher-order brain systems may be more effective than those focusing on sensory systems for managing ME/CFS sensory challenges.