A 2026 systematic review argues that catatonia should be read as a limbic-cortical circuit syndrome, with motor shutdown tied to brain systems for threat, salience, motivation, and emotional regulation. Research Highlights 20 studies met criteria: the 2026 review screened 1,792 records, assessed 54 full texts, and included 20 articles: 13 observational studies and 7 case …
A 2026 systematic review found 15 clinical reports of deep brain stimulation for cerebellar ataxia, covering only 27 human patients across heterogeneous targets, causes, and outcome measures. Research Highlights The human evidence base was tiny: the review found 27 patients across 15 clinical studies, including 10 case reports, 4 case series, and 1 randomized trial. …
A 2026 systematic review of 16 articles found that youth social-media suicide risk clustered around specific mechanisms, not raw screen time: emotional dysregulation appeared in 8 studies, social contagion or imitation in 6, and problematic social-network or gaming use in 4.1 Research Highlights Mechanisms beat screen-time panic: Martin-Calvete and Ramirez-Ucles screened 295 records, assessed 55 …
A 2026 PRISMA systematic review by Cavallo et al. in Cognitive, Affective, & Behavioral Neuroscience aggregates 43 neuroimaging studies of social cognition in adults with stroke or traumatic brain injury and finds the same handful of regions implicated again and again: the insula, cingulate cortex, middle frontal gyrus, and corpus callosum.1 Research Highlights Stroke/TBI social-cognition …
“Schizophrenia ages you faster” is the headline that gets repeated whenever a new biomarker study lands. The 2026 Fernandez-Egea, Garcia-Rizo and Kirkpatrick review — covering 170 studies across mortality, brain imaging, telomeres, epigenetic clocks, and metabolic markers — pushes back on that framing.2 The aging signal is genuine. “Accelerated” is the part that overshoots for …
A recent systematic review and meta-analysis aimed to update the understanding of the efficacy and safety of transcranial direct current stimulation (tDCS) for treating fibromyalgia (FM), focusing on its effects on analgesia, antidepressant outcomes, and the reduction of FM’s impact. Highlights: Efficacy of tDCS: The analysis revealed that tDCS is effective in reducing pain intensity, …
Valerian, a herb long cherished for its sedative properties, stands at the crossroads of traditional medicine and modern scientific inquiry. Despite its widespread use across cultures for promoting sleep and alleviating insomnia, the scientific community remains divided over its efficacy. Highlights: Historical Significance: Valerian has been used since the times of ancient Greece and Rome …