Psychology

Parental Severe Mental Illness Linked to Offspring Cognitive Performance

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Parental Severe Mental Illness Linked to Offspring Cognitive Performance

TL;DR: A 2026 Psychological Medicine meta-analysis of 109 studies linked parental severe mental illness, especially schizophrenia and bipolar disorder, to lower cognitive performance in offspring across IQ, language, memory, executive function, and general cognition. Key Findings Scale: The review included 109 studies and 1,586,339 participants. Schizophrenia: Offspring of parents with schizophrenia had lower scores across …

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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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Consonant Chord Progressions With Face Gaze Increased Social Brain Activity

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Consonant Chord Progressions With Face Gaze Increased Social Brain Activity

TL;DR: A 2026 study in The Journal of Neuroscience found that listening to consonant chord progressions while looking at a live partner increased functional near-infrared spectroscopy (fNIRS), a scalp blood-flow measure, in social brain systems. Key Findings Dyadic design: The study tested 20 participant pairs while both partners were recorded at the same time. Two …

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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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Kynurenine Metabolites Were Higher in Inflammatory Depression

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Kynurenine Metabolites Were Higher in Inflammatory Depression

TL;DR: A 2026 biomarker analysis in Brain, Behavior, & Immunity – Health across antidepressant trials found that kynurenine pathway metabolites were elevated in inflammatory depression compared with non-inflammatory depression and healthy controls, while omega-3 polyunsaturated fatty acid treatment reduced several kynurenine pathway metabolites. Key Findings Study type: a combined analysis of two depression trials testing …

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Household Pesticide Exposure Was Associated With Depression Risk

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Household Pesticide Exposure Was Associated With Depression Risk

TL;DR: A 2026 cross-sectional NHANES analysis in Depression and Anxiety found that urinary pyrethroid metabolite 3-PBA showed a dose-dependent association with depression, while female participants showed stronger associations for 3-PBA and 4F-3-PBA, while males showed sensitivity to DCBA in mixture models. Key Findings Study type: a survey-weighted analysis using self-reported pesticide exposure and urinary pesticide …

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Home DBS Recordings Tracked Depression Recovery Biomarkers

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Home DBS Recordings Tracked Depression Recovery Biomarkers

TL;DR: A 2026 preprint deep brain stimulation biomarker study in medRxiv found that home-recorded electrophysiology biomarkers tracked stable depression recovery during SCC DBS, while the biomarkers helped distinguish recovery from nonspecific symptom fluctuations and external distress. Key Findings Study type: a home-recording study using bidirectional deep brain stimulation devices to monitor electrophysiology during depression recovery. …

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Hippocampus Encoded Trauma Memory Meaning in PTSD

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Hippocampus Encoded Trauma Memory Meaning in PTSD

TL;DR: A 2026 PTSD neuroimaging and language-analysis study in Neuropsychopharmacology found that hippocampal activity encoded specific semantic content of traumatic and neutral autobiographical memories, while greater hippocampal sensitivity to autobiographical semantic content related to higher PTSD symptom severity. Key Findings Study type: a study combining natural-language semantic quantification with brain activity during traumatic and neutral …

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Hippocampal CA3 Connectivity Transformed From Dense-Random to Sparse-Structured Across Postnatal Development

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Hippocampal CA3 Connectivity Transformed From Dense-Random to Sparse-Structured Across Postnatal Development

TL;DR: A 2026 Nature Communications study found that mouse hippocampal CA3 connectivity shifts from dense-random early wiring to sparse-structured adult wiring, with weaker single synapses that make memory-network output depend on coordinated input rather than one strong connection. Key Findings CA3 connectivity transforms from random to structured during postnatal development: Early in life (P7-8 mice) …

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Gender Friendship Gap Was Driven Mainly by White Men in NLSY97

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Gender Friendship Gap Was Driven Mainly by White Men in NLSY97

TL;DR: A 2026 Sex Roles study using NLSY97 data found that the gender friendship gap in best-friend closeness was driven mainly by white men, while Black men, Latino men, and women across groups reported more similar closeness after controls. Key Findings NLSY97 cohort: The study analyzed 1,765 young adults from the National Longitudinal Survey of …

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