IQgenio Blog
Science-backed news on intelligence, neuroscience, and brain training
Unsupervised Learning Reveals Hidden Class Structure in Deep Belief Networks
New research shows deep belief networks, trained without labels, spontaneously organize data into class-like clusters with depth, revealing emergent order.
AI Predicts Personality Test Results: ChatGPT Shows Expert-Level Insight
New research shows ChatGPT can generate valid personality questionnaires from any text and accurately predict how people will respond, revealing an embedded expert model of human psychology.
Brain's Learning Switch: How the Extracellular Matrix Regulates Skill Mastery
Researchers discovered that the brain's extracellular matrix undergoes rapid 24-hour remodeling cycles during learning, opening windows for plasticity and locking in mastered skills.
How Marmoset Genetics Could Unlock Alzheimer's Secrets
A complete marmoset genome maps 76 Alzheimer's-related genes, revealing new PSEN1 variants and offering a powerful model for studying neurodegeneration.
Study: Blood Cells Enter Aging Brain and Become Microglia
Stanford researchers found that in aging humans, peripheral blood cells migrate into the brain and transform into microglia, challenging the long-held belief that brain immunity is isolated.
Depression Linked to Smaller Memory Area in Aging Brains
Depression in older adults is tied to volume loss in a specific hippocampal subfield (CA23DG), independent of Alzheimer's biomarkers, according to a study of 2,009 people.
THC Reduces PTSD Nightmares in Groundbreaking Trial
A study of over 170 PTSD patients finds that evening doses of dronabinol (THC) significantly reduce trauma-related nightmares, with over a third achieving complete remission.
Deep Brain Stimulation Reveals Cell-Specific Genetic Responses in Human Brain Tissue
New research on living human brain tissue shows deep brain stimulation triggers distinct gene activity in neurons and astrocytes, offering insights for memory preservation.
Brain-Inspired AI Cuts Video Processing Time by 65%
New AI model, EMF-dVAE, mimics human selective attention to cut video processing time by 65% while improving accuracy, using only 15% of visual data.
3D Brain Tissue Model Replicates Alzheimer's Pathology
Researchers developed a 3D human brain tissue model with neurons, astrocytes, and microglia that replicates Alzheimer's plaque formation and clearance, enabling high-throughput drug testing.
New 'Cell Village' Method Reveals Genetic Drivers of Brain Growth
A new 'cell village' culture method lets scientists track neural stem cell growth across diverse genetics, revealing how a autism-linked deletion drives brain overgrowth.
Is the Autism Spectrum Too Broad? A Call for Precision Subgroups
New research argues that the autism spectrum has become an overly broad catch-all, risking overdiagnosis and calling for precise subgrouping to improve care.