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Table 4 EEG feature summary

From: Deep learning and machine learning in psychiatry: a survey of current progress in depression detection, diagnosis and treatment

Feature

Description

Cordance

The sum of z-transformed absolute and relative power for a frequency band [90]

Coherence

Coherence is a measure of correlation between signals [91, 92]. Contextualised, coherence is operationalised as a measure of functional connectivity between brain regions [75].

Power

A measure of the activity in a frequency band [92]

Theta gamma coupling

Research [93] has shown a relationship between theta gamma coupling and deficits in working memory

Weighted Lag Phase Index (wPLI; [89])

A measure of functional connectivity