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.
Researchers found a significant association between the DQB1_05 and _04 alleles and sleepwalking disorder, suggesting that these genes play a role in disorders of motor control during sleep. The study identified Ser74 as a key genetic marker for sleepwalking, providing new insights into its underlying mechanisms.
Duke University researchers used a new statistical method called ordered subset analysis to identify a strong link between the GABRB3 gene and autism. By grouping patients with similar traits together statistically, they discovered a genetic risk factor that was missed by looking at the larger group.
Researchers found that tiny differences in DNA can identify geographic ancestry, contradicting the idea that self-reported ancestry is a reliable diagnostic tool. Genetic analysis of 1,056 individuals from 52 populations worldwide revealed more genetic similarities than previously thought.
A multicenter study identified a positive association between obsessive-compulsive disorder (OCD) and a serotonergic receptor gene variant. This genetic phenotype may represent an early onset risk factor for the disorder, suggesting age of onset should be considered in molecular genetic studies.
Scientists have identified small non-messenger RNA molecules, known as smnRNA, in genes associated with behavioral disorders. These findings suggest a new class of gene activity and regulation, potentially linked to conditions like Prader-Willi syndrome.
Research finds that genes manage related traits in plant parts, like flowers, to optimize reproduction and survival. A single genetic mechanism regulates the growth of flower parts in correlation, enabling precise construction and successful pollination.
Researchers have identified a gene called takeout that plays a key role in controlling the sex drive of male fruit flies. Takeout is regulated by sex-specific forms of the master gene regulators DSX and FRU, and its expression in the head is required for normal courtship behavior.
Researchers discovered that nociceptive neurons trigger group feeding behavior in Caenorhabditis elegans, a species of worm. The findings build on earlier research and have potential relevance to understanding human eating behaviors and obesity.
Researchers identified a gene on chromosome 1 linked to drinking patterns in individuals with anxiety-type behavior. The study suggests that studying quantitative measures of drinking may help identify genes involved in alcohol use and problematic drinking.
An international team of scientists found that birds use alternative reproductive behaviors to avoid inbreeding depression when mates are genetically similar. Extra-pair paternity and quasi-parasitism occur at low frequencies, but more importantly, extra-pair parentage occurs when parents are more related to each other.
A genetic variation in monoamine oxidase A (MAO A) enzyme may protect maltreated children against antisocial behavior, with a ninefold increased risk of aggression in those with low enzyme activity. In contrast, higher MAO A levels were associated with trauma resistance and reduced behavior problems.
Researchers identified a significant link between a specific gene variant and increased risk of antisocial behavior in maltreated children. The study found that individuals with a certain variation of the MAOA gene were more likely to develop behavioral problems, comparable to major risk factors for heart disease.
Researchers found that male and female rats selectively bred for high and low sensitivity to alcohol also exhibited differences in their response to nicotine. The study suggests that genetic factors may contribute to the co-occurrence of these two substances in individuals, highlighting the need for further research on this topic.
Researchers used DNA microarrays to analyze 40% of the fruit fly genome and found that genetic changes are the result of many small contributors. The study's findings suggest that human genetic biases may also be caused by small changes in multiple genes.
Researchers have identified two genes that play a crucial role in sleep function, found in both fruit flies and humans. These genes control the internal clock and protect against stress, highlighting the importance of sleep in maintaining overall health.
Scientists have identified several genes that affect how much alcohol reaches the brain and how long it remains there, shedding light on individual differences in alcohol metabolism. The findings could lead to new treatments for alcoholism and highlight the importance of further research into the genetic factors involved.
A German study on mice found that genetic variations in a key stress-response gene may contribute to excessive alcohol consumption under stressful conditions. The researchers identified a specific receptor, CRH1, which is associated with increased alcohol intake in stressed mice, suggesting potential targets for preventing relapse.
A study of 74 adult patients with sleepwalking found a strong association with the HLA DQB1*05 genetic susceptibility, which also increases muscle activity during REM sleep. Researchers believe treating underlying health issues may help improve or resolve sleepwalking.
A recent study found that Europeans are largely unaware of the genetic modifications in their food products, despite high levels of opposition to GMOs. Consumers tend to bid lower prices for genetically modified foods only when they perceive a significant difference in taste or quality.
A review of eight randomized studies on biomarkers and health behavior change found that providing quantitative information about harm exposure and disease risk increased motivation for healthy behaviors. However, lasting change may require appropriate treatment.
Researchers have found a genetic susceptibility locus on chromosome 1 that may contribute to the development of anorexia nervosa. The study used a genome-wide linkage analysis and identified a possible AN-susceptibility gene on chromosome 1p, adding to growing evidence supporting the role of genetics in eating disorders.
Scientists at Johns Hopkins Medicine found that panic disorder and manic depressive (bipolar) illness are likely related genetically and share a common cause. The study analyzed 203 families with bipolar disorder and identified symptoms of major mood disorders in relatives, showing a strong genetic link between the conditions.
Research finds a genetic basis for behavior in infancy, linking attachment disorganization to dopamine D4 receptor gene polymorphisms. The study identifies specific variants that enhance the risk of disorganized attachment, supporting the role of DRD4 as a genetic susceptibility factor.
Researchers have found that mice with a knocked-out Hoxb8 gene exhibit excessive grooming behavior, creating bald spots and skin wounds. This discovery suggests that Hox genes may regulate behavior in the adult brain, offering potential insights into human obsessive-compulsive disorders.
Researchers at Stanford Medicine developed a system to study genetics and evolution in natural populations using the three-spine stickleback fish. They found parallels between laboratory genetics and evolutionary changes in the fish, suggesting that evolution can occur through large-effect gene changes.
A study led by Dr. Jeffery M. Vance found significant evidence of linkage between the tau gene and late-onset Parkinson's in three single nucleotide polymorphisms. The research suggests that normal variations in the tau protein may make individuals more susceptible to the disease.
A study found that a person's neighborhood alcohol-outlet density is a significant risk factor for certain injuries, including sprains and bruises. The research suggests that programs and policies aimed at reducing alcohol-related problems should consider the role of neighborhood alcohol outlets.
Researchers Dorret Boomsma, Hans Clevers, Bert Meijer, and Hans Oerlemans were awarded for their pioneering work in human behavioural genetics, the discovery of cancer causes, molecular architecture, and icecap dynamics. Their findings have significant implications for our understanding of intelligence, anxiety, and climate change.
Research finds a link between family history of alcoholism, serotonin variation, and behavioral problems in children. Children with a genetic variant associated with increased serotonin reuptake are more likely to exhibit impulsivity, depression, and anxiety.
Researchers have identified a protein in fruit flies that resembles the molecule targeted by cocaine, offering insights into its addictive properties. The discovery of this protein, called dDAT, could lead to genetic manipulation and behavioral studies.
Research suggests a genetic link between dopamine D4 receptor gene polymorphism and attachment disorganization in infants, with extensive disorganized behavior observed in up to 80% of high-risk infants. The study's findings imply a genetic susceptibility to the collapse of organized attachment under stress.
Women at high risk for ovarian cancer experience depression when concerned about passing the disease to their daughters. A study found that 33% of participants were depressed during initial assessments and 38% during follow-ups, with concern for daughters being a leading source of distress.
Researchers have identified a region on rat chromosome 4 containing genes strongly affecting emotionality-related behavior, which only affects female rats. This discovery may provide insights into the biological mechanisms underlying emotional disorders in women.
Researchers genetically altered mice adrenoceptor 2C expression to study stress response. The results showed differential behavioral responses in treated vs. untreated mice, as well as changes in plasma corticosterone levels and brain dopamine/serotonin content. This study highlights the importance of single-gene mutations in respondin...
Scientists created a new mouse strain with a genetic deletion that affects stress hormones and behavior. The mice exhibit anxiety-like behavior consistently, not just in response to external stimuli, offering insights into the role of CRH-binding protein in depression and anxiety disorders.
A NIAAA-led study confirms that environmental factors can significantly impact the behavior of genetically identical mice, challenging traditional assumptions about genetic determinism. The research highlights the need for laboratories to replicate tests locally and standardize behavioral tests to minimize environmental influences.
Researchers discovered a link between the dopamine transporter gene (SLC6A3-9) and cigarette smoking behavior. Individuals carrying this gene were less likely to start smoking before age 16 and more likely to quit smoking, with an average of one and a half times greater success rate.
The divide between biology and behavioral sciences is growing, leading to misconceptions about cause-and-effect relationships in health. Researchers warn that this gap may hinder the development of effective therapies and treatments.
A single gene is responsible for the social behavior of roundworms, which may hold clues to understanding human social behaviors. The gene variation affects how nematodes respond to environmental stimuli and recognize pheromones.
Researchers found a correlation between genetic variants and novelty-seeking and neuroticism genes in two-week-old babies. The study used the Brazelton Neonatal Behavioral Assessment Scale to assess behavioral responses to human and non-human stimuli, revealing early signs of potential psychiatric disorders.
Researchers at the University of Virginia have discovered that fruit flies respond to cocaine in a similar manner as humans, using similar biochemical pathways. This breakthrough may lead to highly specific drugs to treat cocaine addiction, based on genetic and biochemical insights gained from studying the flies.
A University of Illinois geneticist criticizes the misuse of genetics in society, citing the controversial book 'The Bell Curve' as an example. Jerry Hirsch argues that the field has been misunderstood and mishandled, leading to flawed conclusions about intelligence and racism.
A study by Cornell University biologist Stephen T. Emlen found that evolutionary predispositions, such as helping closely related kin, can lead to conflict and violence in modern families. The biologist suggests that increasing awareness of these inherited behaviors can help minimize damage in stepfamily situations.
A 22-year study found that socially dominant men, characterized by monopolizing conversations and excessive competitiveness, had a 60% higher rate of all-cause mortality compared to less dominant individuals. This suggests that social dominance is a moderate risk factor for early death.
Researchers discovered a genetic basis for the hormonal mechanism regulating drone development in male honey bees, which accelerates their growth and allows them to mature early. The findings provide evolutionary insight into the mechanisms controlling worker bee behavior and could lead to new tools for brain research.
A study found that certain genetic variants next to the human obesity (OB) gene are associated with obesity in young women, as well as depression and anxiety. The results suggest a direct link between the OB gene variants and depression, rather than just secondary effects.
A University at Buffalo study finds that certain genetic variants near the human obesity gene are associated with obesity in young women, as well as depression and anxiety. The study also suggests that these genes may contribute to the development of behavioral disorders in young women.