Biomarkers for mental disorders: EEG frequency bands - Spectral changes in the resting-state EEG

 

https://sapienlabs.co/eeg-frequency-bands-across-mental-health-disorders/

 

Increase in delta and/or theta: ADHD, schizophrenia, OCD (Obsessive-Compulsive Disorder), depression, bipolar disorder, alcohol addiction.

 

"Only cases in the lower frequency bands where the dominant result was a decrease, rather than an increase, was for autism (eyes closed) and PTSD/early life stress (eyes open)."

 

 

ADHD* and the theta-beta ratio

*Attention-deficit/hyperactivity disorder

 
Use of the ratio of the theta band (4-7 Hz) to the delta band (13-30 Hz) to assist ADHD diagnosis:
"Neuropsychiatric EEG-Based Assessment Aid for ADHD*" or NEBA System by NEBA Health
 
Approval of the device by the FDA and identification as "Neuropsychiatric Interpretive Electroencephalograph Assessment Aid"
 
 
 
SapienLabs on the theta-beta ratio: https://sapienlabs.co/adhd-and-the-theta-beta-ratio/
 
Discussion on FDA device approval linked to FDA endorsement of the theta-beta ratio