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neurodevelopment

·October 18, 2024·4 min read

Autism Risk in Males Linked to Y Chromosome

New research suggests that the Y chromosome may be responsible for the higher prevalence of autism in males, shifting focus away from protective factors on the X chromosome. Analyzing genetic data, researchers found that individuals with an additional Y chromosome were twice as likely to have an autism diagnosis, while an extra X chromosome had no effect on autism risk.

This shows a pregnant woman and a brain.

Autism Featured Neuroscience

·October 17, 2024·4 min read

Folic Acid Reduces Lead’s Impact on Autism Risk

A study has shown that folic acid supplementation during pregnancy may reduce the link between maternal blood lead levels and autistic-like behaviors in children. By examining data from pregnant women and their toddlers, researchers found stronger associations between lead exposure and autism traits in cases of low folic acid intake.

Featured Genetics Neuroscience Psychology

·October 17, 2024·8 min read

Genetic Influences on Youth Behavior and Mental Health

Researchers have used an innovative approach to explore genetic links to mental health issues in youth, identifying associations with behaviors such as screen time and caffeine consumption. By focusing on polygenic scores that reflect genetic predispositions, the study highlights a range of potentially modifiable factors that may contribute to psychiatric risk.

Autism Featured Genetics Neuroscience

·October 14, 2024·5 min read

Human-Specific Genes Reveal Link Between Brain Growth and Autism

Researchers have found a link between two human-specific genes and the gene SYNGAP1, a factor in intellectual disabilities and autism spectrum disorders. These genes, SRGAP2B and SRGAP2C, slow down synapse development, a hallmark of prolonged brain growth thought to enhance learning in humans. By turning off these genes in human neurons, scientists observed accelerated brain connectivity development, mimicking changes seen in certain neurodevelopmental conditions.

Featured Genetics Neuroscience

·October 14, 2024·5 min read

Motor Delays May Predict Genetic Disorders in Kids

A recent study reveals that motor delays and low muscle tone are strong indicators of an underlying genetic diagnosis in children with neurodevelopmental disorders. Researchers reviewed patient records to identify early signs, finding that 75% of children with motor delays had genetic diagnoses. Early identification can enable families to seek genetic testing, potentially offering targeted treatments or monitoring for related medical issues.

Featured Neuroscience Open Neuroscience Articles Psychology

·October 13, 2024·5 min read

Teen Friendships Shape Long-Term Wellbeing

New research reveals that teenage friendships lay crucial foundations for adult wellbeing, with the timing and nature of these friendships playing a pivotal role. Early adolescence social acceptance is linked to better adult mental health, while close friendships in later teens impact job satisfaction and romantic stability.

Featured Genetics Neuroscience Psychology

·October 11, 2024·4 min read

New Genetic Mutations Linked to Schizophrenia Risk

A study has identified mutations arising during brain development that may contribute to schizophrenia. Unlike inherited genes, these somatic mutations occur after conception and were found more frequently in schizophrenia patients' brain tissue. By sequencing DNA from neurons in the dorsolateral prefrontal cortex, researchers identified single-nucleotide variants linked to disrupted brain functions. This discovery highlights the importance of studying both inherited and non-inherited genetic factors.

This shows a child thinking about a traumatic event.

Featured Neuroscience Psychology

·October 11, 2024·6 min read

Child Trauma Recovery Tied to Thoughts, Not Event Severity

A new study reveals that how children mentally process traumatic events is the most significant factor in predicting their mental health outcomes, including PTSD, anxiety, and depression. Cognitive factors—like how children remember the event and view themselves afterward—play a more critical role than the event’s objective severity. Researchers found that children with more negative self-perceptions or distorted memories were at higher risk for long-term psychological impacts.

This shows a drawing of kids using computers.

Featured Neuroscience Psychology

·October 11, 2024·5 min read

Helping Kids Fact-Check in the Age of Misinformation

New research suggests exposing children to limited misinformation online can improve their skepticism and fact-checking abilities. By encountering controlled false claims, children develop critical thinking skills essential for navigating the digital world. In a study, children exposed to unreliable information became more diligent fact-checkers compared to those in more accurate environments. Researchers argue that equipping kids with online literacy skills is more effective than shielding them from all misinformation.

Featured Neuroscience Psychology

·October 11, 2024·5 min read

Higher IQ in High School Linked to Increased Alcohol Use in Adulthood

A new study shows that individuals with higher IQs in high school are more likely to consume alcohol moderately or heavily later in life, though less likely to binge drink. This connection may be due to social factors, such as income level and career stress, that often accompany higher IQs. Researchers used data from the Wisconsin Longitudinal Study, revealing that each IQ point increase correlated with a 1.6% rise in moderate or heavy drinking.

This shows a pregnant woman drinking wine.

Featured Genetics Neuroscience

·October 10, 2024·6 min read

Early Alcohol Exposure Leaves Molecular Signature in Fetal Placenta

A recent study shows that alcohol exposure in the earliest stages of pregnancy can lead to detectable molecular changes in the late-gestation placenta, even influencing gene expression through DNA methylation. These changes, particularly in growth and neurotransmitter pathways, could have lasting effects on fetal development, potentially impacting future health. Interestingly, the impact varies by sex, affecting growth-related genes in males and serotonin-related genes in females.

Featured Genetics Neuroscience

·October 9, 2024·6 min read

3D Gene Regulation Map Sheds Light on Brain Development

Researchers have developed the first 3D map of gene regulation in the human brain, offering insights into how early brain development influences lifelong mental health. This map, focusing on regions tied to memory and emotional regulation, reveals how chromatin structure controls gene activity, especially during key developmental stages.

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neurodevelopment

Autism Risk in Males Linked to Y Chromosome

Folic Acid Reduces Lead’s Impact on Autism Risk

Genetic Influences on Youth Behavior and Mental Health

Human-Specific Genes Reveal Link Between Brain Growth and Autism

Motor Delays May Predict Genetic Disorders in Kids

Teen Friendships Shape Long-Term Wellbeing

New Genetic Mutations Linked to Schizophrenia Risk

Child Trauma Recovery Tied to Thoughts, Not Event Severity

Helping Kids Fact-Check in the Age of Misinformation

Higher IQ in High School Linked to Increased Alcohol Use in Adulthood

Early Alcohol Exposure Leaves Molecular Signature in Fetal Placenta

3D Gene Regulation Map Sheds Light on Brain Development

Losing Smell Triggers Severe Clinical Depression

Trauma Therapy Reverses PTSD in Psychosis Patients

Why We Are Misjudging How Childhood Trauma Changes the Body

Everyday Habit Changes Lowers Dementia Risk

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