Summary: Aesthetic chills—those goosebumps or shivers people get from music, speech, or other powerful artworks—are more than fleeting physical reactions. A large-scale online study of over 8,000 participants shows these peak emotional responses connect with psychological insight, feelings of self-transcendence, and even indicators of political orientation. The pattern is complex: while conservatives initially reported stronger … Read more

Summary: Researchers have identified a central hub in the medial prefrontal cortex (mPFC) that helps regulate stress responses and social behavior. Using advanced anatomical tracing, 3D brain imaging, and AI-assisted circuit mapping in mice, the team uncovered how this region integrates sensory inputs and internal bodily signals to preserve emotional stability—findings that clarify long-standing questions … Read more

Summary: For four decades the Big Five model has been the dominant framework for describing personality, but new research suggests that it does not capture the full complexity of human personality. Using a data-driven method called taxonomic graph analysis (TGA), researchers reconstructed the IPIP-NEO personality inventory from the ground up and identified additional traits and … Read more

Summary: New research shows a clear relationship between thumb length and brain size across primates, indicating that the evolution of precise hand use and enhanced cognition developed in tandem. The analysis, which included both living species and fossils, demonstrates a consistent link between relatively longer thumbs and larger brains across the primate lineage. The study’s … Read more

Summary: Researchers have introduced a new tool called bimodularity that brings directionality into community detection for networks. Unlike conventional methods that cluster nodes, this approach groups edges, allowing analysts to distinguish senders from receivers and to identify paired structures called bicommunities. When applied to systems such as traffic flows, social media, or neural activity, bimodularity … Read more

Summary: Researchers have identified a toxic protein complex formed by NMDA receptors (NMDAR) and TRPM4 ion channels that drives neuronal death and accelerates disease progression in Alzheimer’s disease. In a mouse model, a novel small molecule, FP802, disrupted this “death complex,” preventing cognitive decline, preserving synapses and mitochondrial integrity, and reducing amyloid‑beta accumulation. These results … Read more

Summary: A new study identifies a specific class of brain cells—parvalbumin-expressing (PV) interneurons—in the insular cortex as essential regulators of social decision-making and empathic responses. Suppressing these cells in mice disrupted their ability to distinguish between familiar and unfamiliar peers and eliminated their tendency to preferentially approach stressed companions. The results indicate that PV interneurons … Read more

Summary: The NIH Baby Toolbox is an innovative, norm-referenced assessment system created to evaluate infant and toddler development from as early as 16 days up to 42 months. Combining gaze-based paradigms, video presentation, and tablet delivery, the Toolbox measures cognitive, motor, language, and social-emotional skills with high precision and efficiency. Unlike many traditional early-childhood measures, … Read more

Summary: A large UC Davis study of more than 13,000 adults aged 45 and older found that a strong sense of purpose in life is associated with a substantially lower risk of developing cognitive impairment, including mild cognitive impairment and dementia. After adjusting for age, education, depressive symptoms and genetic risk (APOE4), people with higher … Read more

Summary: Personality assessments such as the Myers-Briggs Type Indicator and similar quizzes promise self‑discovery and clearer identity, but many lack scientific reliability. Their popularity is driven by a psychological urge to understand ourselves and belong, yet the most widespread versions often rely on broad, flattering statements that trigger the Barnum effect, making their descriptions feel … Read more