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neurodevelopment

·January 31, 2025·7 min read

Genetics, Not Maternal Sickness, Drives Autism Risk

A large study analyzing over 1.1 million pregnancies found no strong evidence that maternal health conditions during pregnancy cause autism. Instead, nearly all previously reported associations between maternal diagnoses and autism could be explained by genetic or environmental factors.

Featured Genetics Neuroscience

·January 30, 2025·5 min read

Unhealthy Diet Linked to Faster Biological Aging in Young Adults

Diets high in processed meat, fast food, and sugary drinks accelerate biological aging, even in young adults. Researchers measured biological age using epigenetic clocks, which track gene regulation changes over time. Participants with a diet rich in fruits and vegetables showed slower aging, suggesting dietary choices influence how quickly the body ages.

Featured Neuroscience Psychology

·January 28, 2025·3 min read

Empathy Peaks in Young Adults

A new study reveals that young adults show the strongest empathic responses to others in physical or social pain, compared to adolescents and older adults. Researchers measured brain activity while participants viewed painful situations, finding that empathy responses develop with age but peak in young adulthood.

Featured Genetics Neuroscience

·January 28, 2025·5 min read

Mouse With Two Male Parents Survives to Adulthood

Researchers have successfully engineered bi-paternal mice, born from two male parents, that survived to adulthood using embryonic stem cell techniques. By modifying 20 key imprinting genes, they overcame the developmental barriers that previously limited unisexual reproduction in mammals.

Featured Neuroscience

·January 23, 2025·7 min read

AI Mimics Toddler-Like Learning to Unlock Human Cognition

A new AI model, based on the PV-RNN framework, learns to generalize language and actions in a manner similar to toddlers by integrating vision, proprioception, and language instructions. Unlike large language models (LLMs) that rely on vast datasets, this system uses embodied interactions to achieve compositionality while requiring less data and computational power.

Featured Neuroscience Psychology

·January 20, 2025·6 min read

Early Exposure to Violent Media Linked to Teen Antisocial Behavior

A study of nearly 2,000 children found that boys exposed to violent television content at ages 3.5 to 4.5 were more likely to exhibit antisocial behaviors as teens. These behaviors included physical aggression, theft, threats, and involvement in gang fights, with no similar effects observed in girls.

This shows a brain, food, and silverware.

Featured Genetics Neuroscience Psychology

·January 10, 2025·5 min read

Delayed Brain Maturation Links Genetics and Eating Disorders

Over half of 23-year-olds display restrictive, emotional, or uncontrolled eating behaviors, with delayed brain maturation playing a significant role. The research linked structural brain differences, mental health challenges, and genetic predispositions to the development of disordered eating behaviors from adolescence to adulthood. MRI data showed delayed cortical thinning in unhealthy eaters, especially in regions like the cerebellum, which regulates appetite.

This shows a child sitting alone on a bench while others play around him.

Featured Neuroscience Psychology

·January 9, 2025·7 min read

Physical Neglect Causes Lifelong Social Challenges in Children

A new study highlights how childhood physical neglect disrupts social development more than physical, emotional, or sexual abuse. Neglected children were less social, less popular, and less connected to cohesive friend groups, facing stigmatization and withdrawal.

Featured Neuroscience

·January 9, 2025·5 min read

Push-and-Pull Signals Direct Neuron Migration in the Developing Brain

Scientists have uncovered how developing neurons migrate from the germinal zone, a process critical for proper brain circuit formation. They identified a "push-pull" system where the guidance molecule Netrin-1 repels differentiated neurons, while the ubiquitin ligase Siah2 prevents premature migration by degrading essential proteins.

Featured Neuroscience Psychology

·January 9, 2025·4 min read

High-Fat Diets in Adolescence Linked to Adult Impulsivity

Adolescent rats fed a high-fat diet displayed increased impulsivity and altered decision-making as adults. These "cheesecake rats" were quicker to act on visual cues (indicative of impulsivity) but showed more conservative choices in gambling tasks, opting for smaller, safer rewards.

Featured Genetics Neuroscience

·January 9, 2025·4 min read

Early Stress Alters Sperm DNA, Impacting Offspring’s Brain Development

Childhood stress may leave lasting marks on sperm, altering epigenetic profiles and potentially influencing brain development in offspring. Researchers found that men with high levels of childhood maltreatment had changes in DNA methylation and non-coding RNA levels in their sperm.

Autism Brain Cancer Featured Genetics Neuroscience

·January 9, 2025·8 min read

Youthful Brain Stem Cells Linked to Autism and Brain Cancer

Researchers have identified a unique stem cell in the young brain capable of maturing into multiple cell types, potentially explaining the origins of autism and glioblastoma. These stem cells show gene expression patterns that regulate early brain development and, when disrupted, could lead to neurological conditions.