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Genetics

Genetics articles related to neuroscience research will be listed here.

·December 6, 2024·5 min read

What Drives Language Learning: Genes, Culture, or Geography?

A new study explores how cultural practices influence the transmission of native languages, showing that societal norms like matrilineal or patrilineal inheritance can affect linguistic and genetic evolution. The researchers found stronger links between maternal genetic inheritance and linguistic sounds in some matrilineal societies, particularly in Africa, but no consistent global pattern emerged. Using data from 130 populations, they analyzed how genes and languages evolve together as people migrate and how cultural norms shape these patterns.

Autism Featured Genetics Neuroscience Psychology

·December 5, 2024·6 min read

Gene Defect Linked Brain Size and Social Behavior in ASD, Schizophrenia

A new study reveals how genetic deficits, particularly in the Tbx1 gene, are linked to reduced brain volume and altered social behavior, findings relevant to autism and schizophrenia. Researchers observed smaller amygdala volumes in Tbx1-deficient mice, a brain region key to emotional regulation and social behavior. These mice displayed less interest in social interaction, relying more on non-social cues like bedding preferences.

Featured Genetics Neuroscience

·December 5, 2024·4 min read

New Appetite Regulating Neurons Discovered

Researchers have identified a previously unknown population of neurons in the hypothalamus that play a critical role in regulating appetite. These neurons express both leptin receptors and the BNC2 gene, making them highly responsive to hunger-suppressing signals and food-related sensory cues.

Featured Genetics Neuroscience Psychology

·December 5, 2024·5 min read

Depression Genes in Women Linked to Higher Heart Disease Risk

A new study analyzing genetic data from over 300,000 people revealed that women with a high genetic risk for depression also face a higher likelihood of developing heart disease, even without a depression diagnosis. This link was not observed in men, highlighting significant gender differences. Researchers emphasized the importance of addressing cardiovascular health in women, particularly those with depression, regardless of menopausal status.

Autism Featured Genetics Neuroscience

·December 5, 2024·7 min read

Missing Genetic Link Uncovered in Idiopathic Autism

Researchers have uncovered a molecular mechanism linking alterations in the neuronal protein CPEB4 to idiopathic autism, which accounts for 80% of autism cases without a clear genetic cause. The study reveals that the absence of a specific microexon in CPEB4 disrupts the dynamics of molecular condensates in neurons, affecting the regulation of genes crucial for brain development. This disruption can lead to reduced protein production, impairing neuronal growth and function.

This shows gas pumps, a person and a brain.

Featured Genetics Neuroscience Psychology

·December 4, 2024·3 min read

Leaded Gas Exposure Linked to Mental Illness

A new study estimates that childhood lead exposure, peaking between 1960 and 1990 due to leaded gasoline, caused 151 million excess cases of mental illness by 2015. Researchers linked historic lead exposure data to mental health symptoms, finding that personality changes and mental health disorders were most pronounced among Generation X.

Featured Genetics Neurology Neuroscience

·November 29, 2024·5 min read

Spike Protein Lingers in Brain, Fuels Long COVID

A new study reveals that the SARS-CoV-2 spike protein remains in brain-protective tissues and skull bone marrow for years after infection, potentially driving long COVID's neurological symptoms. Using advanced imaging, researchers discovered elevated spike protein levels in these regions, leading to chronic brain inflammation and increased risks of neurodegenerative conditions.

Featured Genetics Neurology Neuroscience Psychology

·November 29, 2024·4 min read

Family History of Mental Illness Increases Aggression Risk in CTE

A new study reveals that individuals with chronic traumatic encephalopathy (CTE) and a family history of mental illness have a heightened risk of aggression during adulthood, particularly between ages 40 and 59. Researchers analyzed data from 845 men with histories of head injuries, finding that those with both CTE and a family history of mental illness displayed significantly more aggressive behaviors than those with only one risk factor.

Featured Genetics Neuroscience

·November 29, 2024·5 min read

Shared Genetics Link Musical Rhythm and Language Skills

A new study reveals shared genetic underpinnings between musical rhythm abilities and language-related traits, including dyslexia. Using data from over 1 million individuals, researchers identified 16 overlapping genome regions tied to rhythm and language, with key roles in brain connectivity.

Featured Genetics Neuroscience

·November 27, 2024·4 min read

Key Protein Found to Guide Neural Development and Cell Identity

Researchers have uncovered the crucial role of a protein subunit, INST10, in guiding pluripotent stem cells toward becoming neural cells during early development. The study found that diminished INST10 levels caused cells to lose neural identity and shift toward other fates, such as mesenchymal or intestinal cells.

Featured Genetics Neuroscience

·November 26, 2024·4 min read

DNA to AI: How Evolution Shapes Smarter Algorithms

A new AI algorithm inspired by the genome’s ability to compress vast information offers insights into brain function and potential tech applications. Researchers found that this algorithm performs tasks like image recognition and video games almost as effectively as fully trained AI networks.

Featured Genetics Neuroscience

·November 25, 2024·4 min read

New Method Maps Gene Activity in Living Human Brain

Researchers have developed a new method to profile gene activity in the living human brain, offering new insights into neurological conditions like epilepsy. By analyzing RNA and DNA collected from electrodes implanted in patients’ brains, the study linked molecular data with electrical recordings of seizures, creating a detailed snapshot of gene activity.