TL;DR: A 2026 study in Biological Psychiatry: Global Open Science linked higher psychopathy in MRI data from 804 incarcerated men to lower empathic concern and broader cortical surface area, while empathy scores themselves were not directly tied to cortical thickness or surface area. Key Findings The sample was large for prison MRI research: the study …
TL;DR: A 2026 randomized clinical trial in the Journal of Sport and Health Science assigned 130 midlife adults to 150 minutes/week aerobic exercise or no-exercise control for 1 year and found sustained lower long-term cortisol in the exercise group. Key Findings Year-long randomized trial in 130 midlife adults: Participants aged 26 to 58 were randomly …
TL;DR: A 2026 randomized study in Psychological Medicine found that right orbitofrontal cortex repetitive transcranial magnetic stimulation (rTMS), a noninvasive brain-stimulation method, improved visuospatial memory on the Brief Visuospatial Memory Test-Revised (BVMT) in people with first-episode schizophrenia. Key Findings The analysis included 90 patients: Researchers studied 48 people assigned to active rTMS and 42 assigned …
TL;DR: A 2026 iScience study found that both humans and rats could report their own timing errors in a 2-second task, but rats made more accurate error-based choices than humans. Key Findings Matched timing task: Researchers compared 34 adults with 16 male Sprague-Dawley rats in a similar 2-second time-production task. Both species monitored errors: Humans …
TL;DR: A 2026 Nature study found that training language models to sound warmer made them less accurate across factual, medical, and misinformation tasks, with error rates rising by about 5 to 9 percentage points by task and sycophancy increasing when users expressed incorrect beliefs. Key Findings Five models tested: the study fine-tuned Llama-8b, Mistral-Small, Qwen-32b, …
TL;DR: A 2025 study in Thinking & Reasoning found that twelfth graders outperformed seventh graders on fast probability reasoning, but adult-like logical intuition was still not fully developed by the end of high school. Key Findings More than 300 French students were tested: The study compared seventh graders around age 12 with twelfth graders around …
TL;DR: A 2026 study in Personality and Individual Differences found that people higher in neuroticism reported more problem- and uncertainty-focused thoughts during blank-screen rest periods, which tracked with more unpleasant feelings. Key Findings Neuroticism was tested during idle thought: researchers used a blank-screen paradigm to sample what participants thought about when they had no task …
TL;DR: A 2026 preprint neurosurgery neuroplasticity study in medRxiv found that language-targeted prehabilitation selectively changed language-network topography, while language and cognitive performance were preserved after the intervention. Key Findings Study type: a prehabilitation study using neuromodulation, language training, task-based functional MRI (fMRI), and neuropsychological testing. People studied: 26 patients with operable brain tumors affecting language …
TL;DR: A 2026 study in Nature Nanotechnology reported that printed MoS2 memristive nanosheet networks, electronic devices that can produce neuron-like spikes, triggered responses in living mouse brain slices. Key Findings Artificial spiking neurons: Researchers built printed MoS2 memristive nanosheet networks that generated electrical activity resembling neural spikes. Living-tissue response: In mouse brain-slice experiments, the artificial …
TL;DR: A 2026 study in Cognition & Emotion found that moral anger did not improve falsehood detection; it lowered the evidence threshold for sharing, making the choice faster and less dependent on source credibility. Key Findings Severe moral violations made false headlines more shareable: In a 223-person online experiment, people were more willing to share …
