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Related Experiment Video

Updated: May 23, 2025

An Electrophysiology Protocol to Measure Reward Anticipation and Processing in Children

An Electrophysiology Protocol to Measure Reward Anticipation and Processing in Children

Published on: October 4, 2018

Reward Processing in Mood Disorders and Schizophrenia: A Neurodevelopmental Framework.

Robin Nusslock^1,2, Vijay A Mittal¹, Lauren B Alloy³

¹Department of Psychology, Northwestern University, Evanston, Illinois, USA;

Annual Review of Clinical Psychology

|March 11, 2025

Summary

Major depressive disorder and bipolar disorder show altered reward processing due to motivational system dysregulation. Schizophrenia involves cognitive and attention impairments, not motivation issues, impacting reward processing differently.

Keywords:

MDD bipolar disorder major depressive disorder neurodevelopment reward processing schizophrenia

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Area of Science:

Neuroscience
Psychiatry
Clinical Psychology

Background:

Major depressive disorder (MDD), bipolar disorder, and schizophrenia disrupt reward processing.
Understanding these disruptions is crucial for personalized psychiatric treatments.

Purpose of the Study:

To differentiate mechanistic pathways of reward processing abnormalities in mood disorders versus schizophrenia.
To propose a neurodevelopmental framework integrating these conditions.
To explore reward processing profiles aligning with symptom dimensions.

Main Methods:

Review of existing evidence on reward processing in MDD, bipolar disorder, and schizophrenia.
Analysis of neurobiological and cognitive mechanisms.
Integration of findings within a neurodevelopmental perspective.

Main Results:

Mood disorders exhibit dysregulated motivational systems: MDD shows blunted reward responses, bipolar disorder shows heightened responses.
Schizophrenia involves impaired cognitive representation of rewards and attention deficits, not motivational abnormalities.
Reward processing profiles may correlate with specific symptom dimensions.

Conclusions:

Distinct neurobiological and cognitive mechanisms underlie reward processing deficits in mood disorders and schizophrenia.
A neurodevelopmental framework aids understanding of pathophysiology and onset.
Personalized treatments require tailored approaches based on specific disorder mechanisms and symptom profiles.