Articles tagged with Brain Development
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Researchers analyzed data from nearly 800 prenatal and postnatal brain scans to identify sex differences in brain growth. The study found that males showed greater increases in brain volumes compared to females, with early brain development carefully timed to meet ongoing demands.
A new study from the Stowers Institute has identified a mechanism that makes fleeting moments unforgettable, revealing a critical step in forming long-lasting memories. The research discovered a specific type of chaperone protein that allows proteins to change shape and form functional amyloids that house long-term memory.
A new study published in Environmental Science & Technology found that exposure to wildfire smoke during the third trimester may raise the risk of autism diagnoses in children. Mothers who were exposed to more than 10 days of wildfire smoke had a 23% higher risk of their child being diagnosed with autism by age 5.
Researchers found that inhibiting microglia activity improved young mice's recall of fearful experiences. Microglia markers were also increased in brain areas related to memory formation, suggesting enhanced memory recall. This study may provide insight into preventing infantile amnesia and understanding human memory loss.
A recent study reveals that tissue stiffness regulates the production of key signaling molecules in the brain, using the mechanosensitive protein Piezo1. This discovery opens new avenues for understanding development and tackling diseases such as cancer.
Researchers from Kyushu University found that the brain forms new, high-density clusters of synapses on specific segments of dendrites during adolescence, challenging the 'adolescent synaptic pruning' hypothesis. This discovery may offer new hope for understanding the biological basis of schizophrenia and other neurodevelopmental condi...
A new MIT study reveals that somatostatin-expressing neurons follow a unique trajectory when forming connections in the visual cortex, establishing conditions needed for sensory refinement. These inhibitory neurons help usher in the critical period by setting baseline inhibition levels.
A study in mice confirms the presence of two molecules that enable precise connection between inhibitory interneurons and target excitatory neurons. This link regulates information processing and maintains balance in brain circuits, with implications for understanding neuronal disorders such as schizophrenia and autism.
Dr. Maria Margarita Behrens' work deciphers the molecular signatures defining every human brain cell type, shedding light on neural development and psychiatric disorders. Her single-cell epigenomic atlases will enable researchers to target specific cell types with unprecedented precision.
A new study finds that infants' brain activity is influenced by their caregivers' reported income sufficiency, with delayed maturation seen in households where income was never adequate. The research suggests that policies strengthening families' basic needs during infancy may have lasting developmental benefits.
A groundbreaking study from Northwestern University found that changes to the gut microbiome can change the way the brain works across different primate species. The researchers discovered patterns of gene expression associated with conditions like ADHD and schizophrenia in mice with microbes from smaller-brained primates.
Children exposed to high levels of screen time before age two showed changes in brain development linked to slower decision-making and increased anxiety by their teenage years. Parent-child reading may offer protection against these effects.
Researchers have identified Tapt1 as a key gene in maintaining the balance between protein synthesis and degradation, crucial for normal brain development. The study reveals that Tapt1, along with its partner Suco, ensures proper neural stem cell proliferation and differentiation.
A team of researchers has reconstructed how the cerebellum establishes its connections with the rest of the brain during earliest stages of life. The work describes the phases in which these neural connections emerge, expand, and are refined, offering a comprehensive map of cerebellar projections across the mouse brain.
A study of over 3,500 adolescents found that social jet lag has widespread negative effects on the developing brain's structure and neural circuits. This includes weaker connections between key brain regions responsible for sensory processing, emotion regulation, and social function.
A new study found that maternal psychological distress experienced at 1 year postpartum has a stronger association with neurodevelopmental delay in toddlers compared to prenatal distress. The researchers also discovered that experiencing distress during both pregnancy and postpartum periods further amplifies the risk of delays.
Researchers identified five phases of brain structure, each supported by four turning points between birth and death, revealing key developments in cognitive performance, neural efficiency, and regional compartmentalization. The study provides context for understanding why brains develop differently at various stages of life.
Researchers found that early brain firings occur in structured patterns without external experiences, suggesting a genetically encoded blueprint. This discovery can help better understand neurodevelopmental disorders and the impact of toxins on the developing brain.
Researchers at UCSF found distinctive brain patterns in children with sensory processing disorder, which could help clinicians refine treatments for tantrums and emotional volatility. The study suggests that over-responsive children's brains dial up inward-focused networks to gain self-control.
Researchers found a significant link between longer screen time and increased ADHD symptoms, as well as developmental abnormalities in brain structure. The study suggests that excessive screen exposure may contribute to delayed brain maturation patterns in children with ADHD.
Research finds infants with sensorineural hearing loss lack normal left-hemisphere language specialization. Early auditory stimulation and language exposure can help preserve brain development.
Researchers have discovered that Batten disease progression varies by sex and age, with male mice showing early auditory problems that improve with age, while female mice experience persistent difficulties. The study provides a new model for tracking brain function over time and testing treatments for this devastating disease.
Researchers have created detailed maps of the mammalian brain's developmental stages, shedding light on how brain cells form and mature. The findings provide valuable insights into the critical periods that may help diagnose and treat neurodevelopmental disorders such as autism and ADHD.
Researchers created a multidimensional molecular map of brain development after birth and its response to inflammation, finding that some developmental programmes can be reactivated during neuroinflammation. This study provides new clues for understanding how myelin is broken down in diseases like MS.
Researchers have developed a new large-scale brain data resource that integrates data from five studies of brain development in children and young adults across three continents. The Reproducible Brain Charts (RBC) project provides a harmonized dataset for tracking changes in brain structure and function, allowing researchers to better...
A new study from the Hebrew University of Jerusalem reveals that early sound exposure significantly affects brain activity and emotional preferences in mice. Male mice develop strong behavioral changes when exposed to Beethoven's Symphony No. 9 or silence, while female mice show varied preferences.
A high-resolution growth chart of the mouse brain has been created to study key brain cell types and their changes during development. The atlas reveals a dynamic sequence of brain growth and maturation in response to genetics and external stimuli, with implications for understanding neurodevelopmental disorders.
A new study reveals how prenatal alcohol exposure impairs key brain cells and circuits, leading to cognitive inflexibility and increased risk of compulsive alcohol use. Researchers identified a specific brain cell affected by early alcohol exposure, providing a clear target for developing more effective treatments of FASD.
A new study by MIT neuroscientists reveals that circular RNA, specifically circHomer1, strongly influences how neurons build circuit connections during visual system development. Knocking out circHomer1 prevents synapse maturation and delays expected neural adjustments in response to monocular deprivation.
Researchers at MIT's Picower Institute have revealed a fundamental model for how neural activity during development builds properly working connections. Neural activity plays a crucial role in maturing synaptic active zones, allowing them to send the right amount of chemical signals at the right times.
A new study found that healthy habits such as optimism, good sleep, and social support are strongly linked to healthier brains. Study participants who reported the most protective factors had brains eight years younger than their chronological age, and their brains aged more slowly over time.
The data release from the HEALthy Brain and Child Development Study offers a detailed look at human brain development in early childhood. The comprehensive data includes information on prenatal health, social and environmental determinants of health, and wearable biosensor data.
Scientists at UCSF successfully used CRISPRa to increase SCN2A levels in mice with the genetic disorder, resulting in reduced seizures and improved brain function. The therapy offers hope for treating neurodevelopmental issues related to SCN2A haploinsufficiency.
The study reveals that enzymes KDM1A and KDM5C collaborate to prevent neurons from activating inappropriate genes, ensuring their proper function. This discovery opens new avenues to understand the origin of neurological disorders associated with intellectual disability.
Scientists have discovered key circuit changes that lead to the maturation of reliable brain activity patterns in response to visual experience. The findings suggest that the brain develops a modular organization, with patches of neurons activating together in response to specific features, allowing for efficient learning and adaptation.
A new study published in JAMA Network Open found that toddlers in the US experienced slightly fewer emotional and behavioral problems during the COVID-19 pandemic. The research, which analyzed data from over 3,000 children, suggests that some toddlers may have shown resilience during this time.
Researchers found neglected children had abnormalities in critical brain regions, including right corticospinal tract and superior longitudinal fasciculus, linked to behavioral difficulties. These findings provide objective markers for identifying children affected by neglect.
Researchers have discovered that microglia, the brain's immune cells, play a key role in how the brain adapts during adolescence. This understanding may transform how neurodevelopmental disorders are treated during this window and possibly into adulthood. The study also found that microglial contact with axons increases dopaminergic ci...
Most Channel Islands foxes developed larger brains to adapt to survival demands in isolated conditions, defying the assumption that island animals have smaller brains. Brain size appeared to be shaped more by local habitat conditions than isolation or island size alone.
A recent study by researchers at The University of Osaka discovered the crucial role of DNA repair enzyme Polβ in safeguarding the developing brain from harmful mutations. Accumulation of indel mutations near CpG sites may contribute to neurodevelopmental disorders.
Researchers found that maternal obesity prior to pregnancy can program long-term neurodevelopmental trajectories in children through epigenetic alterations. This led to autistic-like behaviors in male mice, correlating with altered gene regulation in the cortex and hippocampus.
A new study by Simon Fraser University researchers has identified a critical period in early childhood as a key indicator of future attention difficulties. The research found that children who exhibit organized brain networks similar to social connections have better attention skills.
A new study by the Environmental influences on Child Health Outcomes (ECHO) Cohort suggests that higher vitamin D levels during pregnancy may be associated with better cognitive test scores in children. Children of Black mothers, in particular, showed strongest association between vitamin D and cognitive development.
A recent study by Florida Atlantic University found that US adolescents with cannabis use disorder have low treatment completion rates, ranging from 34.2% to 33.8%. The most common reasons for not completing treatment were dropping out, transferring facilities, and being terminated. Adolescents who began using cannabis at a younger age...
A Rutgers-led study reveals that the brain protein cypin helps maintain strong connections between brain cells essential for learning and memory. The discovery has profound implications for treating traumatic brain injuries and diseases like Parkinson's and Alzheimer's.
A research team led by Virginia Tech's Fralin Biomedical Research Institute is working on a technique that uses focused ultrasound to deliver creatine directly to the brain. This method aims to restore normal brain mass in models of creatine deficiency, which can impair brain development and lead to severe cognitive challenges.
Researchers found that inhibitory neurons born later in brain development mature faster than those produced earlier, ensuring a balanced neural network. This regulation is controlled by genetic mechanisms and may contribute to developmental disorders.
Dr. Xuyu Qian's pioneering research using MERFISH technology created an unprecedented developmental atlas of the human cerebral cortex, analyzing over 18 million single cells. His work aims to identify mechanisms disrupted in conditions like malformations and autism spectrum disorder.
A study published in Nature Communications reveals that neurons in mice brain rewire and refine their connections to integrate visual signals from both eyes over a 10-day period. The researchers found that only 40% of the initial synapses survived, with 24% added and 27% removed, indicating an extensive process of synaptic turnover.
Researchers found that rats with shorter second digits exhibit stronger sexual behavior, including a preference for female scent and frequent ejaculations. This study reveals the impact of fetal hormone exposure on brain development and highlights the link between body and mind.
Early life exposure to perfluorohexanoic acid (PFHxA) may increase anxiety-related behaviors and memory deficits in male mice. Researchers found that males exposed to higher doses of PFHxA showed mild developmental changes, including decreased activity levels and increased anxiety-like behaviors.
A study in mice reveals that only 40% of synapses survive during critical development, with active spines more likely to endure. Clustering of spines also emerges, allowing them to combine activity and enhance visual processing.
Researchers found that co-exposure to bisphenol A and retinoic acid disrupts neurodevelopmental gene signaling, leading to brain abnormalities. The study suggests a potential link between chemical exposure and neurodevelopmental disorders like autism spectrum disorder and attention deficit hyperactivity disorder.
A new study found that babies are born with the ability to sense physical pain but lack the cognitive understanding of it. The research, led by UCL researchers, used brain imaging data from infants and adults to map the development of pain-processing networks in the brain.
Bioengineering researchers at Harvard John A. Paulson School of Engineering and Applied Sciences developed a soft, thin, stretchable bioelectronic device that can be implanted into a tadpole embryo's neural plate, recording electrical activity from single brain cells with millisecond precision.
Researchers found that greenspace exposure is associated with widespread patterns of structural brain development during early adolescence, leading to better academic and mental outcomes. This study highlights the importance of integrating natural environments into urban and educational settings.
Researchers have discovered that the brain uses separate synaptic transmission sites to regulate spontaneous and evoked activity, a process essential for learning, memory, and mental health. This dual system enables the brain to maintain stability while adapting and learning.
As people age, their brain connectivity is disrupted, affecting their ability to form and maintain relationships. This study uses brain scans to show how intrinsic functional connectivity networks mediate the impact of age on sociability.
Salk Institute and UC San Diego researchers captured the first-of-its-kind video of dynein-Lis1 protein interaction, revealing 16 detailed shapes that support designing therapeutics to restore dynein and Lis1 function. The insights gained from this movie will help identify precise locations where drugs can interact with the proteins.
A new study from UC Berkeley reveals that the depth of small grooves on the brain's surface is correlated with increased connectivity between regions involved in reasoning. The researchers found that these tertiary sulci, unique to humans, may help explain individual differences in cognitive performance and serve as diagnostic indicato...