Articles tagged with Brain Structure
The study found that BCI training alters specific regions of the brain involved in motor and visual tasks. This suggests potential therapeutic benefits for conditions like stroke rehabilitation. The changes occur within a short period, raising hopes for more efficient decoding of BCI activities.
A study published in PNAS reveals that corticobasal ganglia projecting neurons play a crucial role in song learning during juvenile development. In contrast, adult birds with disrupted projection neurons maintain their pre-learned song structure and exhibit normal vocal fluctuations.
A new study at UCSF used brain maps to predict FTD progression by analyzing connected brain networks, offering insights into the disease's spread and potential clinical tools. The research suggests that individualized predictions can be made based on neural network maps, which could lead to more effective treatment development.
Researchers found moderate levels of covariation between human and chimpanzee brain and braincase features, but distinct positions of brain sulci relative to cranial sutures in humans. The study suggests that changes in braincase morphology may be related to increased encephalization and bipedalism.
A study involving 20 participants found that manipulating graphemes affects brain activity in a specific visual region. This suggests the brain region processes written words for sound translation rather than meaning access, potentially explaining variations in reading abilities.
A study of 69 individuals with obsessive-compulsive disorder (OCD) reveals that conflict-related brain activity in 36 regions predicts successful exposure-based psychotherapy. The findings provide new insights into the neural mechanisms underlying OCD and support a tailored treatment strategy.
A study by researchers at Virginia Commonwealth University found that individuals with psychopathic traits have greater levels of gray matter density in the ventrolateral prefrontal cortex, a region involved in self-regulatory processes. This increased density is associated with improved impulse control and reduced antisocial behavior....
A study using fMRI found that the default mode network in the brain responds similarly to aesthetically pleasing images from different domains, indicating a possible universal code for beauty. This discovery may lead to insights into how we experience aesthetic experiences and could inform learning and well-being.
A new study reveals that listening to music involves activity in sensory regions, while recalling melodies activates frontal regions. The findings suggest a complex network of brain regions involved in music processing.
Researchers have identified four genetic regions associated with left-handedness, which are linked to differences in brain structure in language-related regions. These findings suggest that left-handers may have an advantage in verbal tasks due to coordinated brain communication.
New research reveals that human selective breeding has altered dog brain structure and behavior, with breeds exhibiting unique brain networks correlated to specific characteristics.
Researchers found that patients with more connected white matter in targeted brain regions respond better to non-invasive electrical brain stimulation, suggesting a potential breakthrough in personalizing the therapy. The study also showed partial reversal of abnormalities in brain activity caused by traumatic brain injury.
A new study from Scripps Research provides unprecedented insights into how visual signals are distributed to different brain regions. Researchers discovered that similar proteins travel preferentially to one brain region, while some are transported to multiple regions.
Researchers from Stevens Institute of Technology have identified two brain regions vulnerable to side hits that lead to concussions. The study reveals how rotational accelerations cause mechanical vibrations in these regions, resulting in tissue and cell damage. This knowledge can help develop safer sports helmets.
Researchers have discovered a new type of neuron that acts as the brain's metronome, keeping time regularly and improving rodents' ability to detect faint sensations. This finding is significant as it supports the long-hypothesized role of gamma rhythms in synchronizing brain signals.
A new deep neural network architecture can identify manipulated images at the pixel level, detecting blurred boundaries and unnatural transitions between regions. This technology aims to improve photo editing tool security and detect deepfakes with high precision.
Researchers at DZNE associate oxidative stress with the spreading of abnormal alpha-synuclein protein in Parkinson's disease, a neurodegenerative disorder. The findings suggest that oxidative stress may trigger the formation and aggregation of toxic alpha-synuclein species, leading to progressive pathology and neuronal damage.
Researchers found that brain networks are spatially and functionally fluid, with rapid changes in network activity over time. This challenges the long-held assumption that brain regions contribute to each network in a fixed way.
A new study reveals a reliable sequence of neural interactions in the human brain that corresponds to visual processing, language state, and articulation state when naming objects. The findings support the view that dynamic interactions within neural networks govern language production.
A new therapy has shown promise in promoting vascular repair following a stroke, leading to improved motor functions and regeneration of damaged blood vessels. Researchers used anti-Nogo-A antibodies in mice and found better recovery and reduced motor function impairment compared to control groups.
Increased visceral fat is associated with reduced brain structure and storage capacity, but oestradiol hormone protects women's brains in mid-life. Low oestradiol levels are linked to weaker memory performance during this age range.
Daily injections of patient autoantibodies in mice with injured paws led to increased pain sensitivity and microglial activation in brain regions. Blocking interleukin-1 receptors prevented or reversed these effects, suggesting an autoimmune contribution to CRPS development.
People with strong life purpose are more likely to accept health messages and experience less decisional conflict. A study found that those with a stronger sense of purpose have less activity in brain regions associated with conflict-processing, making it easier for them to make healthier choices.
A study found that metabotropic glutamatergic receptor 5 (mGluR5) availability may serve as a biomarker for suicide risk management in posttraumatic stress disorder (PTSD). Higher mGluR5 levels were associated with suicidal ideation and mood disturbances in individuals with PTSD.
The study identifies a distinct control architecture in brain networks, characterized by a distributed and overlapping control system that enables robustness against targeted attacks and high efficiency in switching between network states. This finding has broad implications for cognitive neuroscience and clinical applications.
Researchers mapped brain connectivity in 30 people to understand how different regions coordinate during tasks. The study aims to create novel strategies for AI-powered teaming environments, where robots can dynamically assist soldiers in completing tasks.
A new study assesses how large-scale patterns of brain activity relate to different cognitive systems, revealing variations between individuals. The research uses computational modeling to simulate brain activity and identify repeatable patterns in some cognitive systems.
A study by University of Arizona researcher Vicky Lai found that the brain's sensory-motor region is activated within 200 milliseconds of hearing an action-based metaphor. This suggests that this region plays a crucial role in comprehension, supporting previous findings from fMRI studies.
A USC Dornsife-led study has provided the first global network model of the inner workings of the hypothalamus, a critical part of the brain that controls fundamental behaviors and physiology. The study reveals novel associations with several diseases, including neurodegenerative diseases and behavioral disorders.
Researchers at MIT have developed a neural architecture search algorithm that can directly learn specialized convolutional neural networks for target hardware platforms in only 200 GPU hours. The algorithm uses 'path-level' binarization and pruning to reduce memory consumption and improve efficiency.
Research links seven vascular risk factors to differences in brain structure, particularly areas responsible for complex thinking. The study found stronger associations between smoking, high blood pressure, and diabetes with grey matter volume and white matter damage.
Deep brain stimulation (DBS) of the ventral capsule (VC) or anteromedial subthalamic nucleus (amSTN) reduced OCD symptoms to a similar extent, but produced distinct effects on specific symptoms. VC stimulation improved mood, while amSTN stimulation improved cognitive flexibility.
A study by University of Birmingham researchers found lower brain connectivity in 'night owls' compared to morning larks, leading to poorer attention, slower reactions and increased sleepiness. This can be particularly problematic for those forced to fit into a societal 9-5 working day that doesn't align with their natural rhythms.
A new study has shown that adults can learn a fictional writing system called HouseFont, which assigns images of houses to English phonemes. The research found increased brain activity in the visual word form area that predicted participants' reading speed, suggesting that learning a new writing system shapes the reading brain.
Researchers mapped inputs to ventral tegmental area dopamine neurons and found highly similar inputs across different cell populations. The study suggests a more random connectivity logic where inputs connect semi-randomly in regions to which the neurons project.
A new study from Linköping University found that the brain reduces sensory perception when touched by oneself, and this difference arises as early as in the spinal cord. This phenomenon suggests that the brain attempts to predict sensory consequences of one's actions, assigning less importance to self-generated sensations.
Researchers employed machine learning to analyze fMRI data and infer cellular properties of different brain regions without surgery. The approach could lead to personalized treatment plans for neurological disorders.
Researchers used machine learning to translate brain activity into fear of pain questionnaire scores, revealing distinct neural patterns for different constructs. The study may reconcile self-reported emotions and their neural underpinnings, providing new insights into pain-related fear.
A study published in BRAIN journal used a brain wiring diagram to reconcile inconsistent neuroimaging findings for Alzheimer's disease. The researchers found that all 26 studies reported abnormalities within the same connected brain network, improving reproducibility and understanding of the disease.
Researchers found lower overall brain volumes and altered connectivity associated with callous traits in children. The study provides a neural profile of callousness in children, highlighting its potential as an early risk factor for negative behaviors and health outcomes later in life.
A study in Biological Psychiatry found that individuals with childhood maltreatment have altered brain networks, but those who are resilient may have additional changes that compensate for the effects of maltreatment. These changes can help predict susceptibility or resilience to psychiatric symptoms.
Researchers have identified a brain region that controls both social memory and aggression, revealing a complex link between the two behaviors. The discovery sheds light on psychiatric disorders such as schizophrenia, where altered CA2 function may contribute to abnormal social behaviors.
The Blue Brain Cell Atlas provides detailed information on major cell types, numbers, and positions in all 737 brain regions, accelerating progress in brain science. The atlas is freely available online, allowing users to visualize brain regions and download data for new analyses and modeling.
Researchers create compact system for fluorescence imaging at the tip of a fibre, enabling high-resolution images of brain cells and neuronal processes in deep brain areas. This breakthrough technology offers a minimally invasive approach to study sensory perception, memory formation, and severe neuronal diseases like Alzheimer's.
Physicians at Massachusetts Eye and Ear successfully induced a sense of smell in human subjects by stimulating nerves in the olfactory bulb. The breakthrough opens doors for developing implant technology to restore smell in those who have lost it, with potential applications in treating anosmia.
A recent study by Baycrest researchers found that individuals with mild cognitive impairment and primary progressive aphasia exhibited sluggish brainwaves and subtle signs of damage in memory and planning regions. These slowing brainwaves predicted the severity of their condition, such as degree of memory loss.
Researchers at University of Utah Health discovered sustained connections between brain regions in individuals with autism. The study found that these prolonged connections may contribute to the symptoms of autism, including social dysfunction and difficulty shifting between activities.
A new study reveals that klotho acts as a shield between the brain and immune system, protecting against age-related cognitive decline. The research found that low levels of klotho in the choroid plexus lead to increased brain inflammation, which can impair brain functions.
Scientists have identified three sub-types of depression using brain imaging, including one that is unresponsive to commonly prescribed serotonin boosting drugs. The study found that childhood trauma and functional connectivity patterns in the brain play a crucial role in determining treatment effectiveness.
Researchers created data-driven models of individual brains to understand how brain structure affects cognitive tasks, such as language demand. The study identifies potential strategies for enhancing performance through targeted brain stimulation.
A new study using computational models shows promise in understanding how brain structure impacts performance on language-related tasks. The research found relationships between brain characteristics and task speed, potentially leading to advancements in treating diseases and enhancing human performance.
A study of brain lesions reveals consistent connections between regions linked to volition and agency, which are components of free will. The identified networks suggest possible underpinnings of free will and could aid studies of related neuropsychiatric disorders.
A major study from University of Sussex confirms that acts of kindness activate the brain's reward network, regardless of personal benefit. The research found distinct neural responses to altruistic and strategic kindness, with some areas more active during pure altruism.
Researchers found that hospitalization, critical illness, and major infection are associated with reduced brain volume in regions vulnerable to Alzheimer's disease. Critical illness was also linked to inflammation in the brain and systemic inflammation.
A study of teenage twins reveals that both genetic and environmental factors shape brain activity during sleep. The findings suggest that frontal regions are under stronger environmental control, while regions towards the back of the brain are more influenced by genetics.
A study by McGill University found that confidence in speech can overcome accent bias, making accented speakers equally believable to native speakers. The researchers discovered different brain regions are activated when evaluating speech from within and outside groups.
A team of engineers and physicians at USC and UC San Francisco developed a novel decoding technology that can predict mood variations from neural signals in the human brain. The study may lead to new closed-loop, tailored therapies for depression and anxiety disorders.
A new study reveals that OLM cells in the hippocampus play a key role in controlling anxiety and risk-taking behavior. The manipulation of these cells can modulate anxiety and may lead to breakthroughs in treating pathological anxiety.
A recent study published in Personality Neuroscience found that certain brain regions and personality traits can help protect against depression and anxiety. Researchers identified common factors in brain structure and personality that contribute to resilience against emotional distress.
Researchers at the Center for BrainHealth investigated concurrent cannabis and nicotine use on brain networks. The study found that combined use had greater connectivity compared to isolated use of either substance. These findings suggest unique contributions of cannabis and nicotine on brain network connectivity.