EEG study suggests depression may be a prediction-updating disorder, not just a mood disorder

MacrinePhD · x · 2026-07-25

A new line of research suggests depression may be less about mood alone and more about how the brain updates predictions.

According to the post, EEG-based work shows that positive information is registered, but it is weighted too weakly to meaningfully revise a person’s expectations about the self and the world. The result is a kind of rigid belief updating, which fits a predictive-processing view of depression.

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