Depression

Subcortical Connectivity Differed Across Schizophrenia, Bipolar Disorder, and Depression

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Subcortical Connectivity Differed Across Schizophrenia, Bipolar Disorder, and Depression

TL;DR: A 2026 functional MRI (fMRI) study in Psychological Medicine found that schizophrenia, bipolar disorder, and major depressive disorder shared some thalamus connectivity disruption, but each diagnosis showed a different subcortical network pattern across the thalamus, striatum, hippocampus, and amygdala. Key Findings 800-person MRI cohort: Researchers analyzed resting-state fMRI from 200 people with schizophrenia, 200 …

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Chronic Mild Stress Increased Dopamine D1 Binding Across Mouse Striatum

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Chronic Mild Stress Increased Dopamine D1 Binding Across Mouse Striatum

TL;DR: A 2026 mouse study in Neurochemical Research found that 28 days of unpredictable chronic mild stress increased dopamine D1 receptor binding across the striatum and raised dopamine D2 receptor binding only in selected regions, regardless of fatty acid-binding protein 7 gene deletion. Key Findings Adult male mice were exposed to 28 days of unpredictable …

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Psychomotor Retardation in Depression Linked to Parkinson’s Risk

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Psychomotor Retardation in Depression Linked to Parkinson's Risk

TL;DR: A 2026 medRxiv preprint found psychomotor retardation, meaning slowed movement, speech, and thinking during depression, was linked to higher later Parkinson’s diagnosis risk in 6,327 London mental-health records. Key Findings Psychomotor retardation was common: Among 6,327 people with depression at age 40 or older, 2,402 patients, or 38.0%, had psychomotor retardation documented in records. …

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Exercise Before CBT Linked to Higher Depression Remission in Pilot Trial

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Exercise Before CBT Linked to Higher Depression Remission in Pilot Trial

TL;DR: A 2026 randomized pilot trial in the Journal of Affective Disorders found that 30 minutes of moderate exercise before cognitive behavioral therapy (CBT) for major depressive disorder was linked to stronger therapy-process measures and higher exploratory remission than quiet rest before CBT. Key Findings Forty adults with major depressive disorder were randomized: Nineteen received …

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NeuroMark SPECT Linked Depression Symptoms to Brain Network Patterns

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NeuroMark SPECT Linked Depression Symptoms to Brain Network Patterns

TL;DR: A 2026 medRxiv preprint used single photon emission computed tomography (SPECT), a brain blood-flow imaging method, and a 68-component NeuroMark template to link depression-related symptoms with frontal, subcortical, cerebellar, salience, and visual network patterns across several psychiatric groups. Key Findings Large imaging pool: Researchers analyzed 2,743 patient SPECT scans with clinical data plus 76 …

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Gamma Neuromodulation Linked to Schizophrenia and Depression Symptom Gains

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Gamma Neuromodulation Linked to Schizophrenia and Depression Symptom Gains

TL;DR: A 2026 systematic review and meta-analysis posted to medRxiv found that gamma-frequency non-invasive brain stimulation was linked to symptom improvement in schizophrenia and depressive-symptom reduction in major depressive disorder, but the evidence was heterogeneous and still preprint-level. Key Findings 56 controlled studies were included across schizophrenia, major depressive disorder, bipolar disorder, and autism spectrum …

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Whole-Body Hyperthermia Activated Blood RNA Pathways in Major Depression

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Whole-Body Hyperthermia Activated Blood RNA Pathways in Major Depression

TL;DR: A 2026 study in Brain, Behavior, & Immunity – Health found that whole-body hyperthermia in adults with major depressive disorder triggered a 30-minute whole-blood RNA-seq response dominated by heat-shock genes and immune pathways, including IL-6 production. Key Findings 18 RNA-seq participants: Whole-blood RNA sequencing was available for 9 adults assigned to whole-body hyperthermia and …

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Parenteral Clomipramine Showed No Clear Advantage Over Oral Clomipramine

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Parenteral Clomipramine Showed No Clear Advantage Over Oral Clomipramine

TL;DR: A 2026 systematic review and meta-analysis in Acta Neuropsychiatrica found no clear evidence that parenteral clomipramine is better than oral clomipramine for depression or obsessive-compulsive disorder, with low or very low certainty across the main randomized-trial evidence. Key Findings 4,973 publications screened: The review identified 14 randomized controlled trials relevant to parenteral clomipramine in …

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Oral Acetate Case Series Found Metabolic Improvements in Psychotropic Weight Gain

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Oral Acetate Case Series Found Metabolic Improvements in Psychotropic Weight Gain

TL;DR: A 2026 case-series study in Translational Psychiatry tested delayed-release oral acetate from apple cider vinegar capsules in 11 young adults taking psychotropic medications and found high adherence, no product-related adverse events, microbiome shifts, and metabolic improvement in 6 participants, but the uncontrolled design means the findings need placebo-controlled testing. Key Findings 11 completers: The …

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Ketamine’s Antidepressant Pathway Reverse-Engineered: Low-Dose Three-Drug Combination Reproduced Effect in Mice

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Ketamine's Antidepressant Pathway Reverse-Engineered: Low-Dose Three-Drug Combination Reproduced Effect in Mice

TL;DR: A 2026 mouse study in Cell traced ketamine’s rapid antidepressant-like effect to mu-opioid receptors on somatostatin-positive interneurons in the medial prefrontal cortex. Low-dose multi-GPCR targeting reproduced ketamine-like effects in mice, but the exact three compound names were not listed in the public source material verified here. Key Findings Cell target: ketamine’s rapid mouse effect …

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