To investigate the causal connections among symptoms, cognitive functions, and real-life outcomes in schizophrenia, emphasizing their significance for treatment development.
Key Findings:
A neurocognitive–metacognitive–functional system was identified, linking visual learning to attention/vigilance and working memory.
Working memory was directly related to metacognition, which influenced real-life functioning.
Conceptual disorganization and experiential negative symptoms were directly related to expressive deficits.
Positive symptoms, depressive symptoms, and social cognition showed peripheral associations with other variables.
Unawareness and misattribution of symptoms had an indeterminate association within the network.
Interpretation:
The study highlights a directed system of associations starting from neurocognitive abilities to real-life functioning, emphasizing the importance of working memory and metacognition in improving outcomes for clinical practice.
Limitations:
Cross-sectional design limits causal inference and may affect the generalizability of findings.
Findings may not generalize to all schizophrenia patients.
Potential biases in self-reported measures could impact the results.
Conclusion:
The identified causal relationships provide insights for targeted interventions in schizophrenia, particularly focusing on cognitive remediation and therapies addressing disorganization and avolition to improve real-life outcomes.