Article

The Stability and Predictive Value of Negative Symptom Dimensions in First-Episode Psychosis: A 5-Year Follow-Up Study

2026-03-20

Abstract excerpt

<h4>Background</h4> Diminished Expression (DE) and Amotivation/Apathy (AA) are widely recognized as two main factors of negative symptoms. This study aimed to 1) examine the longitudinal stability of the DE-AA structure and its variation throughout a 5-year follow-up in people with first-episode psychosis (FEP), and 2) investigate whether DE and AA have distinct predictive value compared with the unitary construc...

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Literature Corpus work: 10bcd0a7-c061-5007-9586-190fb599341b
DOI: 10.64898/2026.03.18.26348724

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