PSYREFLECT

Issue #57

July 20, 2026

#1Research

When the brain stops rewarding its own effort

In psychosis risk the problem may not be that the world stops offering rewards, but that the brain stops paying itself for its own effort.

psychosis riskventral striatumprediction errorintrinsic motivation
2 minRead analysis
#2Research

When the Depressed Brain Stops Simulating: A Model-Based Learning Deficit

Depression here reads less as a storm of negative predictions than as a quiet letting-go of the wheel – the brain stops simulating consequences and lets choice wander from one option to the next.

depressionanhedoniacomputational psychiatryreward prediction error
3 minRead analysis
#3Tool

Mismatch Negativity: A Prediction-Error Index That Flags iTBS Responders in Depression

A cortex still emitting a vigorous prediction error has more plastic reserve for iTBS to mobilise, and its mismatch negativity shows it before the first pulse.

mismatch negativityiTBSdepressionpredictive coding
3 minRead analysis
#4Industry

Computational Psychiatry, a Decade In: The Pivot to Trials and the Reliability Problem Underneath It

A model can be mathematically elegant and mechanistically plausible and still be clinically useless if the same patient scores differently next week.

computational psychiatrypredictive processingreinforcement learningbiomarkers
3 minRead analysis
#5Industry

Before Prediction Error Becomes a Biomarker: A Moscow Lab Reads the Fine Print

Before prediction error can serve as a biomarker, someone has to prove the signal means the same thing twice, and this study shows how easily it does not.

predictive codingmismatch negativityEEG biomarkerprediction error
3 minRead analysis
#6Resource

Predictive Brains, Taught as Method: Zurich's Computational Psychiatry Course

For a clinician who has read Hohwy or Clark and wants to move from metaphor to method, the CPC is the rare course that hands you the equations and the code rather than only the story.

computational psychiatrypredictive processingactive inferencecontinuing education
3 minRead analysis
Issue #57 | PsyReflect