Adult 1 Affective Symptoms 1 Amygdala 1 Article 1 Cerebral Cortex 1 Connectome 1 Depressive Disorder, Major 1 Emotional Regulation 1 Female 1 Hamilton Depression Rating Scale 1 Humans 1 ICD-10 1 Magnetic Resonance Imaging 1 Male 1 Middle Aged 1 Severity of Illness Index 1 adult 1 amplitude of low frequency fluctuations amplitude of low-frequency fluctuation 1 amygdala 1 antidepressant agent 1 brain cortex 1 clinical article 1 comparative study 1 complication 1 connectome 1 controlled study 1 convergent validity 1 diagnostic imaging 1 discriminant validity 1