Articles tagged with Behavior Genetics
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Scientists have discovered that an estrogen receptor, ERβ, plays a crucial role in regulating defeminization, a process by which males lose female-like behavior. The study found that neonatal males are exposed to estrogen produced by their testes, leading to changes in gene expression and neural architecture.
Research reveals genetic connections between nicotine tolerance, aggression, and neurotransmitter systems. Gene polymorphisms influence animal behavior, potentially explaining why humans develop addiction.
Researchers have identified networks of genes that respond to alcohol in the brain, which may play a role in determining genetic differences in behavioral responses to alcohol. The study found that certain genes were regulated differently in two mouse strains, leading to distinct behavioral responses to alcohol.
Researchers discovered a single genetic difference between rats susceptible and resistant to apomorphine, leading to reduced activity of the g-secretase enzyme. This imbalance was found to be associated with behavioral differences in the rats.
Researchers highlight the need for accurate measurements of race in health and social science research to address racial health disparities. They propose using direct measurement of underlying social and environmental exposures instead of relying on self-identified racial groups.
A new study reveals that genetics, not environment, determines an ant's role in the colony. Harvester ants from southeastern Arizona and New Mexico show a surprising tendency to produce sterile workers when mating with males from different genetic lineages.
Researchers found that reducing insulin-like molecules in fruit fly brains increases the intoxicating effect of alcohol, mimicking human vulnerabilities. Insulin regulates behavior and may be crucial in determining response to addictive drugs, offering potential therapy for alcoholism.
Researchers will enroll 100-150 children with autism, along with their parents and unaffected siblings, to conduct detailed behavioral evaluations and DNA analysis. The study aims to identify genetic differences and patterns that mark different autistic spectrum disorders, providing clues to their biological causes.
Researchers found a clear correlation between female promiscuity and rapid evolution of the semenogelin protein in various primate species. This suggests that intense sexual competition drives genetic adaptation, with genes evolving faster in species with more promiscuous females.
A study in flies reveals that rapid and chronic tolerance operate via different neurobiological mechanisms and genes. Rapid tolerance is blocked by a drug inhibiting protein synthesis, while a fly mutant lacking octopamine shows reduced rapid tolerance.
A recent study examined the genetic factors underlying a low response to alcohol and found potential links to several gene categories. The research suggests that these genes could play a significant role in the development of alcoholism, particularly in individuals who experience little or no effect from drinking.
Koller's research uses algorithms, probabilistic modeling, and Bayesian networks to represent complex information with high uncertainty. Her work has implications in artificial intelligence and genetic data analysis, and she is optimistic about identifying patterns of gene expression across species.
A new information system will help researchers understand the relationship between genes and behavior in honey bees. The BeeSpace system will provide a comprehensive environment for analyzing genomic data, enabling scientists to identify key roles in social behavior.
The NHGRI has launched four centers to pioneer interdisciplinary research on the ethical, legal and social implications of genomic knowledge. The centers will assemble teams of experts to develop innovative approaches to addressing pressing issues in genome research.
A mouse study has identified a potential genetic link between NPAS3 and NPAS1 genes and psychosis. The mutated mice displayed deficits consistent with schizophrenia, including impaired social interaction and startle response. Further research is needed to confirm the connection.
Researchers found that worms seek mates when alone but remain near food sources with potential mates. In cone-only retinas, rod bipolar neurons maintain their morphology and connectivity despite lacking rods, while remaining light-sensitive.
Researchers found that Homer1 or Homer2 gene knockout mice showed greater preference for chambers associated with cocaine administration and increased motivation to self-administer cocaine. They also exhibited neurochemical changes characteristic of addiction, including reduced glutamate levels during withdrawal.
Researchers discovered a cluster of 60 nerve cells choreographing the courtship ritual in male flies. Interfering with these cells resulted in reproductive failure and abnormal behaviors, supporting the idea that basic circuitry mediates attraction and mating across species.
Scientists have identified a genetic basis for alcohol response in roundworms, discovering that subtle variations in the NPR-1 gene affect tolerance. The study found that strains with higher levels of NPR-1 protein exhibit reduced ability to recover from alcohol exposure.
Researchers found thimerosal exposure in mice led to autism-like behaviors, including abnormal responses to environments and brain abnormalities. The study suggests a potential connection between genetic susceptibility and environmental triggers for autism, highlighting the need for further research and intervention strategies.
Researchers suggest that male vulnerability to disease may drive female-biased societies and behaviors, such as division of labor. This 'sick-male' theory proposes that males are less resistant to infection due to genetic limitations, leading to social isolation and reduced exposure to disease.
Researchers found children who developed wheezing symptoms after age 3 had significant behavior problems before, compared to those who never wheezed. The study suggests a possible common factor, such as genetics or parental smoking, that accounts for both wheezing and behavior problems in children.
Researchers found that zebrafish learn to prefer one fish color pattern over another based on their early experience with these patterns. This learned social preference has significant impacts on the survival and reproductive success of individual fish.
Scientists analyzed the genomes of over 300 breeds and found similarities with human diseases. The study reveals distinct DNA blueprints for each breed, which may help uncover genes responsible for unique traits and behaviors.
Researchers at Emory University Health Sciences Center have identified a genetic sequence for the anti-bacterial protein Escapin found in sea slugs. The protein prevents bacteria from growing on surfaces, making it a potential solution for preventing biofilm formation and associated problems.
In a groundbreaking study, Robert Sapolsky and Lisa Share found evidence of a pacific culture among wild olive baboons in Kenya, where males became less aggressive after an outbreak of TB. This unique cultural tradition suggests that females may play a key role in regulating male behavior.
Researchers at Stanford University challenge the existence of a single supercolony of Argentine ants spanning California. Instead, they propose that multiple genetically distinct colonies have colonized the state over the past century.
Research reveals that beavers' selective herbivory affects plant types in their community, favoring hybrid cottonwoods with lower tannin levels. This study suggests a link between terrestrial and aquatic ecosystems through genetically-based plant traits.
Researchers analyzed DNA from western gorilla fecal and hair samples to find that neighboring social groups are often led by genetically related males. This suggests connections between genetic relationships and group interactions, parallels with human social structures, and clues to the early human social world.
Researchers have found that genetic variations can affect an individual's response to alcohol, with some genes contributing to increased sensitivity and others to tolerance. The study suggests that understanding these biological markers can help develop new treatments for alcohol dependence.
The NHLBI's Specialized Centers of Clinically Oriented Research program aims to improve treatment and outcomes for children with congenital heart defects by fostering multidisciplinary collaborations. The $68 million grant will support five new centers, each addressing a critical public health need in pediatric cardiovascular research.
Researchers found that Dahl R rats exhibit efficient spatial navigation, while Dahl S rats display poor spatial navigation. Analysis of F1 male progeny implicated the X chromosome in the impairment observed in Dahl S rats.
The study found an association between a specific GABA receptor gene and alcohol dependence, suggesting a potential genetic link. The findings support the idea that brain overactivation may contribute to predisposition to alcoholism.
A study found that NS temperament in adulthood was predicted by an interaction between the DRD4 gene polymorphism and a hostile childhood rearing environment. Participants with certain genetic variants and adverse childhood experiences had a higher risk of exhibiting high novelty seeking scores.
A national study aims to identify environmental and genetic causes of multiple system atrophy (MSA), a progressive neurological disorder with an average onset age of 54. Researchers will investigate potential risk factors, including toxin exposure and alpha-synuclein aggregation, in 175 MSA patients and 350 control subjects.
Researchers found that genetic factors play a significant role in coping behaviors, with females exhibiting inherited traits from their grandmothers. The study suggests that understanding the genetic basis of coping behaviors could help develop new treatments for psychiatric disorders.
A new study links variations in the GAD2 gene to obesity and Type 1 diabetes, revealing a potential connection between food intake regulation and body weight control. Researchers hope to further unravel the underlying biology of eating behavior and explore genetic connections to obesity.
Research on blue tits found that extra-pair copulations with distant males lead to more heterozygous offspring, resulting in improved survival and reproductive success. This study suggests that females can benefit from promiscuity by increasing the genetic quality of their progeny.
Linda Brzustowicz will lead research on hereditary patterns of autistic behaviors, analyzing 'trio' samples from autistic individuals and their parents to define genes linked to the disorder. The study aims to better understand, treat, and potentially prevent autism.
Researchers will use single-celled social amoeba Dictyostelium discoideum to uncover genes and molecular pathways underlying sociality. The project aims to understand how social forces create evolutionary pressures and control opportunistic behavior.
A randomized, controlled clinical trial found that Tai Chi Chih increased immunity to the varicella zoster virus in older adults at risk for herpes zoster. The study showed significant improvements in both immunity and physical functioning without any negative effects.
Researchers found that male baboons give priority care to their own genetically related offspring, despite multiple males mating with the same female. This discovery raises questions about how male baboons recognize and distinguish between their genetic and behavioral offspring.
A recent study of five baboon groups found that male baboons overwhelmingly sided with their offspring in disputes, suggesting paternal care may be an ancient trait in primates. The study, which monitored 75 juvenile baboons for whom fathers were clearly identified, provides new insights into the evolution of complex social behavior.
The UGA research team has identified a molecular key to cell division, which could lead to new targets for cancer therapeutics. The study found that cyclin-dependent kinases drive the mitosis process and that molecules called oncogenes and tumor suppressor genes are controlled by novel mechanisms.
A study at the Salk Institute found that children with Williams syndrome exhibit unique social behavior patterns, including high scores on tests measuring social interactions. Genetic screening revealed that one gene may be responsible for this hyper-sociability in some individuals, suggesting a potential genetic link to the disorder.
A recent study found an association between the DdeI polymorphism of the DRD1 gene and sensation seeking among alcoholic males. The research suggests that genetic factors, such as this specific dopamine receptor gene, may play a role in understanding the complex disorder of alcoholism.
The NIMH has awarded $22.6 million to a new Center for Collaborative Research on Mental Disorders, aiming to advance understanding of genetic origins of mental health conditions such as autism and schizophrenia. The center will facilitate data sharing and analysis to accelerate gene discovery and develop novel therapeutic targets.
Researchers have discovered cooperation between genetically similar but unrelated male blue-throated lizards, challenging the traditional theory of kin selection. The study found that these cooperative males exhibit higher fitness levels and improved reproductive success due to their neighborhood relationships.
Researchers at Johns Hopkins Medicine reveal the crucial last step involved in long term depression, a process thought to underlie learning and memory. By blocking this step, they created a mouse with weakened connections that didn't affect behavior, paving the way for studying GluR2's role in motor skills.
Studies link serotonin deficiency to aggressive behavior, while environment and genetics also play a role. Researchers explore potential therapies, such as Prozac and Dilantin, to address underlying causes.
Researchers found that channeled whelks, a species of marine snail, have distinct feeding behaviors along the Pacific coast. Genetic analysis revealed that these differences are likely due to genetic isolation and regional variations in prey availability.
A team of researchers discovered a genetic break in human chromosome 14 affecting brain development and behavior. The broken gene may contribute to mental illness, including schizophrenia, in affected families. The study provides a crucial piece of the puzzle in understanding the complex disease.
Researchers at Columbia University have developed a method to extract DNA from dung, enabling the study of wild animal populations without capturing or handling them. This technique has been shown to be reliable and efficient, allowing researchers to analyze genetic data on species such as Asian elephants, rhinos, and apes.
A study led by Darlene Francis found that early-life environments significantly impact stress behaviors and learning abilities in mice. Mice transferred to high-stress surrogate mothers after birth showed increased stress-reactive behaviors and poorer cognitive performance compared to those raised by low-stress mothers.
A new study in rats reveals that gene activity plays a significant role in brain aging and cognitive impairment. The research identified 146 genes associated with age-related changes in memory performance, including those involved in inflammation, oxidative stress, and neuronal function.
Researchers found that cloned pig behavior is not identical to the original animal's behavior. Cloning increases variability associated with some traits, making it difficult to predict the behavior of cloned animals.
Researchers at the Salk Institute found a genetic connection between organophosphate exposure and ADHD-like behavior, as well as symptoms similar to Gulf War syndrome. Mice exposed to organophosphates showed a 40% decrease in the NTE enzyme, leading to behavioral changes and neurological problems.
Researchers discovered that MHC proteins, including M10, play a crucial role in detecting and modulating pheromone activity in mice. The findings suggest that these proteins may act as escorts for pheromone receptors, allowing them to reach the surface of neurons where chemical reception takes place.
Researchers discovered a correlation between a specific genetic variation in the COMT gene and higher levels of anxiety in women. Women with the COMT Met158/Met158 genotype tended to exhibit increased anxiety symptoms, as well as altered brain wave patterns associated with anxiety disorders.
A recent study by Dr. Douglas Wahlsten found that environmental influences significantly impact experiment outcomes in mice, including motor coordination and psychological learning tasks. The study suggests that even small factors like odors and experimenter conduct can have a profound effect on behavior.