[Primary and secondary negative symptoms: still a reliable differentiation? Comment on the contribution by W. Barnett. Ch. Mundt, P. Richter]

MeSH terms

• Depression / diagnosis*
• Depression / psychology
• Depressive Disorder / diagnosis*
• Depressive Disorder / psychology
• Diagnosis, Differential
• Humans
• Neurocognitive Disorders / diagnosis
• Neurocognitive Disorders / psychology
• Psychiatric Status Rating Scales
• Schizophrenia / diagnosis*
• Schizophrenic Psychology*