Weekly Neuroscience Update

Findings from a mega-analysis of differences in seed-based subcortico-cortical connectivity in youths with attention deficit hyperactivity disorder (ADHD) and unaffected control subjects. Credit: American Journal of Psychiatry (2024). 

Researchers have discovered that symptoms of attention-deficit/hyperactivity disorder (ADHD) are tied to atypical interactions between the brain’s frontal cortex and information-processing centers deep in the brain.

A new study has identified a genetic mutation underlying a rare form of epilepsy and reveals novel molecular and cellular mechanisms by which the disorder manifests in patients.

For the first time, researchers have shown that non-invasive brain stimulation can change a specific brain mechanism directly related to human behavior. This is a major step forward for discovering new therapies to treat brain disorders such as schizophrenia, depression, Alzheimer’s disease, and Parkinson’s disease.

A test that shows how good or bad we are at perceiving the rhythm of language can predict the ability to acquire language, and may also help us understand individual differences in brain biology.

A new study reveals the mechanisms behind proprioception, our body’s innate ability to sense limb position and movement, critical for movement without visual cues. Utilizing musculoskeletal simulations and neural network models, researchers have advanced our understanding of how the brain integrates sensory data from muscle spindles to perceive bodily position and motion.

Specialized brain scans may accurately predict whether a psychotic patient will go on to develop treatment-resistant schizophrenia, Dutch researchers report.

Researchers have uncovered a significant correlation between social isolation and accelerated biological aging, indicating that individuals with limited social connections are at a higher risk of premature mortality.

Scientists have revealed new insights into how the brain processes speech and listening during conversations through advanced investigations using functional magnetic resonance imaging (fMRI).

A unique multicenter study, including about 3,500 youth between 10 and 25 years old from across the globe, shows that artificial intelligence—specifically machine learning—can identify individuals with anxiety disorders based on their unique brain structure.

Researchers have identified four distinct sleep patterns linked to long-term health outcomes, revealing the profound impact of sleep habits on chronic health conditions.

A new study uncovers the nuanced effects of spaced learning on memory, emphasizing the importance of the content’s variability and the intervals between learning sessions. The study contrasts the impact of learning identical content versus content with variations, across different timescales, on memory retention.

Finally, this week, spending quality time with dogs reduces stress and increases the power of brain waves associated with relaxation and concentration, according to a recent study.

Weekly Neuroscience Update

Graphical representation of the analysis procedure to relate word-by-word predictors of linguistic complexity to BOLD activity. Credit: Proceedings of the National Academy of Sciences (2024). 

How does the brain respond to sentence structure as we speak and listen? In a neuroimaging study published in PNAS, researchers investigated sentence processing during spontaneous speech for the first time.

A research team has achieved a breakthrough in stem cell research, offering tools that can be used for patients who require highly personalized care.

Researchers demonstrated promising results for PTSD treatment in military veterans by combining brain stimulation with virtual reality exposure therapy. The clinical trial showed significant reductions in PTSD symptoms among participants who received low electrical current brain stimulation during virtual reality sessions designed to simulate warzone experiences.

A new study involving participants from 15 countries, shed light on the universal preference for simple integer ratios in rhythms, revealing significant cultural variations in musical perception.

Researchers have uncovered a strikingly similar suite of changes in gene activity in brain tissue from people with schizophrenia and from older adults. These changes suggest a common biological basis for the cognitive impairment often seen in people with schizophrenia and in the elderly.

A new study reveals a direct correlation between adversities faced in childhood and adulthood with later psychiatric and cognitive decline.

A new study reveals a strong link between daytime physical activity and improved sleep quality among both children and adults. Analyzing the daily routines of over 2500 participants, the research highlights how higher levels of moderate to vigorous physical activity correlate with fewer sleep disturbances, less daytime tiredness, and overall better sleep quality.

In an innovative study published in Science Advances, researchers have unveiled new insights into the intricate relationship between emotion and perception.

Even people whose physical activity levels fall short of recommended guidelines, but who manage to do some during their leisure time, are likely to have a lower risk of stroke than their sedentary peers, suggests a pooled data analysis of the available evidence, published online in the Journal of Neurology, Neurosurgery & Psychiatry.

A recent study showcases a significant leap in the study of brain oscillations, particularly ripples, which are crucial for memory organization and are affected in disorders like epilepsy and Alzheimer’s. 

People who have headaches after experiencing concussions may also be more likely to have higher levels of iron in areas of the brain, which is a sign of injury to brain cells, according to a preliminary study that will be presented at the American Academy of Neurology’s 76th Annual Meeting taking place April 13–18, 2024.

The COVID-19 virus can persist in the blood and tissue of patients for more than a year after the acute phase of the illness has ended, according to new research.

Researchers identified sildenafil, known commercially as Viagra, as a promising candidate for treating Alzheimer’s disease. Leveraging artificial intelligence the team analyzed vast amounts of data, including insurance claims and brain cell observations, to highlight sildenafil’s potential benefits in reducing Alzheimer’s prevalence and neurotoxic proteins.

A new study provides some of the most detailed insights yet into the brain mechanisms that help people pay attention amid such distraction, as well as what’s happening when they can’t focus.

A new AI language model identifies clinical symptoms in medical summaries and links them to brain tissue from donors of the Netherlands Brain Bank. This yields new insights into the development of individual disease progression and contributes to a better understanding of common misdiagnoses of brain diseases. The model may, in the future, assist in making more accurate diagnoses.

Researchers have discovered a brain circuit that drives vocalization and ensures that you talk only when you breathe out, and stop talking when you breathe in.

For the first time, neuroscientists have established a link between shifts in our visual perception and the cadence of our steps while walking.

A new study examines the potential of artificial intelligence to shift chronic pain treatment from opioids to mindfulness-based stress reduction (MBSR). Utilizing machine learning to analyze extensive patient data, the study aims to predict which patients will benefit most from MBSR, a critical step toward personalized medicine.

Finally this week, new research reveals how the human brain processes vital signals from the heart and lungs, offering new insights into the complex brain-body integration essential for health and cognition.

Inside Your Amazing Brain: How Different Regions Got Their Names #BrainAwarenessWeek

The brain is a complex organ responsible for regulating various bodily functions, including movement, sensation, cognition, and emotion. It is divided into different regions, each with its own specific functions and structures. Over the years, scientists have named these parts of the brain based on their location, shape, or function. By understanding the names of these parts, scientists can better understand the role each plays in the overall function of the brain. In this post, we will explore some of the most common names of brain regions and how they got their names.

Hippocampus: A Seahorse in the Brain

    The hippocampus, a crucial structure for memory and learning, derives its name from the ancient Greek word “hippos,” meaning horse, and “kampos,” meaning sea monster. The name is a nod to the structure’s curved shape, resembling that of a seahorse. This term was first coined by the renowned anatomist Julius Caesar Aranzi in the 16th century, who recognized the hippocampus’s distinctive appearance in the brain.

    Amygdala: The Almond-Shaped Emotion Center

    Nestled deep within the temporal lobe, the amygdala is responsible for processing emotions, particularly fear and pleasure. Its name is derived from the Latin word “amygdala,” which means almond. The term reflects the amygdala’s characteristic almond shape and was popularized by the anatomist Albrecht von Haller in the 18th century.

    Thalamus: The Inner Chamber

    The thalamus, a central relay station for sensory information, owes its name to the Greek word “thalamus,” meaning inner chamber or bed. This choice of nomenclature emphasizes the thalamus’s role in relaying sensory signals to different areas of the brain, acting as a gateway for information processing.

    Cerebellum: The Little Brain

    Sitting at the back of the skull, the cerebellum is involved in motor control and coordination. Its name, “cerebellum,” is a Latin diminutive form of “cerebrum,” meaning brain. The term highlights the cerebellum’s smaller size compared to the cerebral hemispheres while underscoring its critical role in fine-tuning motor movements.

    Frontal Lobe: The Foremost Part of the Brain

    The frontal lobe, responsible for executive functions such as decision-making and personality, gets its name from its location at the front of the cerebral cortex. The term “frontal” is derived from the Latin word “frons,” meaning forehead, emphasizing the anterior position of this brain region.

    Occipital Lobe: The Region at the Back of the Head

    As the name suggests, the occipital lobe is located at the rear of the cerebral cortex, playing a key role in visual processing. The term “occipital” is derived from the Latin word “occiput,” meaning back of the head. This naming convention reflects the lobe’s anatomical position and its primary function in vision.

    From the seahorse-shaped hippocampus to the almond-shaped amygdala, these structures’ names convey their physical characteristics and the curiosity of the scientists who explored the brain throughout history. Exploring the brain’s intricacies remains an ongoing and fascinating journey as our understanding of it advances.

    Weekly Neuroscience Update

    Synergetic framework. Credit: Trends in Cognitive Sciences

    A new model for understanding the brain paves the way for more accurate diagnoses and treatments.

    For people with drug-resistant epilepsy, having a dog companion trained in detecting seizures and other epilepsy-related tasks may reduce the amount of seizures they have, according to new research published in Neurology

    New research shows that continued cocaine use disrupts communication between major brain networks.

    Researchers are embarking on a pioneering study to uncover how genes associated with autism spectrum disorders (ASD) converge to affect brain neurons, particularly leading to heightened sound sensitivity. This research aims to identify common neural circuit mechanisms that may underlie the diverse genetic pathways contributing to ASD, focusing on auditory hypersensitivity, a condition that significantly impacts individuals’ lives.

    Two new studies explore how closely attention and eye movements are linked and reveal how the brain coordinates the two processes.

    A pioneering new study using virtual reality (VR) aims to identify early signs of Alzheimer’s disease through impaired spatial navigation in asymptomatic adults at risk. By testing 100 middle-aged adults with genetic, familial, or lifestyle risk factors for Alzheimer’s, the study discovered that spatial navigation difficulties in VR environments precede traditional cognitive decline symptoms. Notably, this impairment was more pronounced in men than women, suggesting a gender-specific vulnerability

    Mounting research shows that COVID-19 leaves its mark on the brain, including significant drops in IQ scores.

    A daily fiber supplement improved brain function in people over 60 in just 12 weeks. The study, published recently in Nature Communications showed that this simple and cheap addition to diet can improve performance in memory tests associated with early signs of Alzheimer’s disease.

    A new study has found mutations in key brain cells among individuals with chronic opioid use that could shift how we think about treatment strategies for opioid use disorder.

    According to a Mayo Clinic study published in Nature Neuroscience, the cells that act as the central nervous system’s first line of defense against harm also play a role in helping the brain awaken from anesthesia. This discovery could help pave the way for innovative methods that address post-anesthesia complications.

    Scientists have trained a bank of AI models to identify patterns of brain activity that signal memory formation.

    People who experience sleep apnea may be more likely to also have memory or thinking problems, according to a preliminary study that will be presented at the American Academy of Neurology’s 76th Annual Meeting taking place April 13–18, 2024.

    Schizophrenia is associated with an increased risk of subsequent cardiovascular disease events, with the association stronger in women, according to a new study.

    New research delves into the genetic underpinnings of language development in early childhood and its implications for later cognitive abilities and neurodevelopmental disorders such as Attention-Deficit/Hyperactivity Disorder (ADHD) and Autism Spectrum Disorder (ASD). Interestingly, the research highlights a developmental shift in the genetic associations with ADHD symptoms, suggesting that the role of genetics in language development and its impact on neurodevelopmental outcomes is complex and changes over time. This study underscores the importance of understanding the early linguistic journey as a window into a child’s future mental health and cognitive prowess.

    Finally this week, a new neuroimaging study is the first to reveal how the brain gets to the creative flow state.

    Weekly Neuroscience Update

    A cell membrane is illustrated to show the surface in red. Blue objects are proteins, including ion channels, which can send electrical impulses into cells. Lipids, or fats, are in yellow. In this cross section, an ion channel associates with a lipid raft. The function of the lipid structures is regulated by cholesterol. Mechanical force can deplete the cholesterol and release the ion channel, changing activity within the cell. Credit: Scott Hansen, Ph.D., The Wertheim UF Scripps Institute

    New research shows how physical pressure on cells can reduce pain signals, while excessive cholesterol clumps in cell membranes can interfere with that process.

    Researchers have advanced our understanding of the neuronal basis of spatial memory. Their research reveals that during spatial memory tasks, different types of nerve cells activate in unison, coordinated by brain waves known as “ripples.”

    Researchers have unveiled a pioneering technology capable of real-time human emotion recognition, promising transformative applications in wearable devices and digital services.

    Children who lived in areas with higher levels of airborne lead in their first five years of life appeared to have slightly lower IQs and less self-control, with boys showing more sensitivity to lead exposure, according to a new study.

    New research challenges the conventional picture of Parkinson’s disease.

    A neurotransmitter previously thought only to calm neurons may also play a role in waking them up, according to a study published in the journal PLOS Biology, a discovery that challenges the textbook view of how neurons communicate with one another in the brain.

    Researchers have achieved a breakthrough in mapping the brain’s ‘dysfunctome’—key dysfunctional circuits linked to disorders like Parkinson’s, dystonia, OCD, and Tourette’s syndrome.

    Scientists have delved into the world of chemical neuromodulators in the human brain, specifically dopamine and serotonin, to reveal their role in social behavior. The study revealed a previously unknown neurochemical mechanism for a well-known human tendency to make decisions based on social context—people are more likely to accept offers from computers while rejecting identical offers from human players.

    New research identifies nerve endings that shed light on gut-brain communication.

    Live music significantly amplifies emotional responses in the brain compared to recorded tunes. By measuring amygdala activity, researchers found that live performances evoke stronger emotional reactions, fostering a deeper cognitive and affective processing throughout the brain.

    A new study reveals that oxygenation levels in the placenta during the last trimester of pregnancy are a key predictor of the development of the cerebral cortex and likely childhood cognition and behavior.

    Blood vessels that cross-connect adjacent arterial trees regulate blood flow to the brain in stroke patients. Researchers have now shown that these vessels prevent brain hemorrhage following treatment to remove blood clots.

    Researchers have developed a simulator that enables artificial visual observations for research into the visual prosthesis.

    A cross-cultural study has revealed that music universally influences bodily sensations and emotions, transcending cultural boundaries. Researchers from Western and East Asian backgrounds discovered that emotional and structural characteristics of music consistently evoke similar bodily sensations—such as changes in the chest, limbs, and head regions—regardless of cultural background.

    A new study finds concussions alter connectivity among brain regions.

    New research has unveiled a crucial role of sleep: brainwaves facilitate the cleansing of the brain by flushing out waste. This discovery not only underscores the brain’s non-dormant state during sleep but also highlights a sophisticated system where neurons’ synchronized activity powers the flow of cerebrospinal fluid, effectively removing metabolic waste and potentially neurodegenerative disease-causing toxins.

    Finally this week, COVID-19 may have an impact on people’s cognitive and memory abilities that lasts a year or more after infection, according to a new study by Imperial College London researchers.

    Weekly Neuroscience Update

    Melodic pitch, pitch-change, and expectation modulate STG activity during music listening. (A) Three melodic features visualized for an example melody. (B) Electrodes across all participants (N = 8) plotted on a common brain. Color indicates the peak evoked high-frequency activity (HFA) averaged across all musical phrases. (C) Responses at three example electrodes demonstrating distinct tuning to pitch. Credit: Science Advances (2024)

    Researchers have developed a precise map of what is happening in the cerebral cortex when someone hears a melody.

    Scientists have made a groundbreaking discovery, identifying a rare lipid as a crucial factor in ferroptosis, a unique form of cell death. The findings provide new detail on how cells die during ferroptosis and could improve understanding of how to stop ferroptosis in contexts where it is harmfully occurring– in neurodegenerative diseases, for example– or induce it in contexts where it could be useful, such as using it to kill dangerous cancer cells.

    Our brains are “programmed” to learn more from people we like – and less from those we dislike. This has been shown by researchers in cognitive neuroscience in a series of experiments.

    An intensive meditation-based intervention (iMI) significantly improves positive symptoms, particularly refractory hallucinations and delusions, in male patients with schizophrenia, according to a new study.

    Indigenous people may be more likely to have a stroke than non-Indigenous people, according to a systematic review that looked at populations around the world.

    A new study highlights the critical link between sleep, circadian rhythms, and psychiatric disorders, suggesting that disturbances in sleep and internal body clocks can trigger or exacerbate mental health issues. The research underscores the prevalence of sleep-circadian disturbances across all psychiatric disorders, pointing to the need for holistic treatments that address these factors.

    For individuals with post-COVID-19 condition, cognitive symptoms are common, according to a study published online Feb. 14 in JAMA Network Open.

    Researchers have developed an artificial intelligence model that accurately determines the sex of individuals based on brain scans, with over 90% success. This breakthrough supports the theory that significant sex differences in brain organization exist, challenging long-standing controversies.

    A new population-based study reveals the roles of maternal and fetal genes in the growth of a baby’s cerebral cortex.

    A new study explains how dopamine influences movement sequences, offering hope for Parkinson’s disease (PD) therapies. Researchers observed that dopamine not only motivates movement but also controls the length and lateralization of actions, with different neurons activating for movement initiation and reward reception.

    New research sheds light on what goes on inside people’s heads as they make decisions to obtain information about the future.

    Moderate/severe and penetrating traumatic brain injury (TBI) are associated with an increased risk for subsequent development of brain cancer, according to a study published online Feb. 15 in JAMA Network Open.

    For the first time, researchers have mapped out the proteins implicated in the early stages of motor neuron disease (MND).

    In a study published in the Journal of Neuroscience, scientists demonstrated the effectiveness of using low-intensity focused ultrasound to modulate the activity in a critical region in the brain that processes and regulates pain signals.

    Finally this week, new research shows how empathy can be socially transmitted.

    Weekly Neuroscience Update

    Credit: Neuron (2024). DOI: 10.1016/j.neuron.2024.01.013

    A new study has found the immune system in the blood of Alzheimer’s patients is epigenetically altered. That means the patients’ behavior or environment has caused changes that affect the way their genes work.

    A team of researchers has developed a breakthrough new blood test for schizophrenia, a psychiatric disorder that includes hallucinations and delusions.

    Many patients continue to struggle in the wake of the pandemic as they grapple with ongoing symptoms triggered by COVID-19 infection, a condition commonly known as long COVID. However, the onset of symptoms such as brain fog, fatigue, headache, and other types of pain is not unique to COVID infection, according to a new study.

    Researchers have discovered a molecular complex crucial for the transport of mitochondria within neurons, offering new insights into preventing neurodegenerative diseases. 

    A landmark advancement in neural prosthetics has been made, demonstrating the ability to recall specific memories using a newly developed memory decoding model (MDM). The study, involving 14 adults with epilepsy, showed that MDM stimulation significantly improved memory performance, particularly in those with impaired memory, offering hope for treating conditions like Alzheimer’s disease, stroke, or head injury. This research signifies a major step toward creating interventions that can restore lost memory functions, potentially aiding individuals in living more independently.

    A new study reveals that excessive stress during adolescence can lead to long-lasting changes in gene expression in the brain, particularly those related to bioenergy functions.

    Researchers developed an innovative AI tool, DeepGO-SE, that excels in predicting the functions of unknown proteins, marking a significant advance in bioinformatics. Leveraging large language models and logical entailment, this tool can deduce molecular functions even for proteins without existing database matches, offering a groundbreaking approach to understanding cellular mechanisms.

    Researchers have identified cortical gray matter thinning as a potential early biomarker for dementia. 

    Smoking not only affects immune responses in the short term but also leaves a lasting imprint on the body’s defense mechanisms. This is the finding recently made by a team of scientists at the Institut Pasteur using the Milieu Intérieur cohort of 1,000 healthy volunteers, established to understand variability in immune responses.

    MIT neuroscientists have found that the brain’s sensitivity to rewarding experiences—a critical factor in motivation and attention—can be shaped by socioeconomic conditions.

    Taking an anticoagulant, or blood-thinning medication, can increase one’s risk of—or exacerbate—a brain bleed, also known as a brain hemorrhage, which is the deadliest type of stroke. Now, new research finds that faster treatment for these patients is associated with a greater likelihood of survival.

    Finally this week, language and culture may influence how our brains process emotional faces according to new research.

    The Neuroscience of Romance: This is Your Brain in Love

    Throughout history, love has captivated human beings as a complex and powerful emotion. From Shakespeare’s poetic verses to the modern scientific exploration of the brain, the phenomenon of falling and being in love has been a subject of fascination. As neuroscience advances, researchers are now able to peer into the workings of the brain and understand the chemical and neural processes involved in love.

    The Chemistry of Love

    At the heart of the love experience is a cocktail of chemicals that shape our emotions. Dopamine, a neurotransmitter known as the “feel-good” chemical, floods the brain in the initial stages of attraction. This surge in dopamine is responsible for new love’s euphoric feelings.

    Another key player is oxytocin, known as the “love hormone” or “cuddle hormone.” Intimacy, bonding, and physical touch release oxytocin, which fosters trust between partners and deepens emotional connections.

    Love is also governed by serotonin, a neurotransmitter that affects mood and happiness. Serotonin levels can fluctuate when we are in love, affecting our mood and affecting how we experience emotion.

    The Role of the Brain

    Neuroimaging studies using techniques like functional magnetic resonance imaging (fMRI) have provided valuable insights into the brain regions involved in the experience of love. The ventral tegmental area (VTA), a region associated with reward and motivation, becomes highly active, releasing dopamine and contributing to the pleasurable sensations of love.

    The caudate nucleus, part of the brain’s reward system, is also implicated in romantic love. Studies have shown increased activity in the caudate nucleus when individuals view pictures of their loved ones, indicating its role in the reinforcement of romantic attachment.

    The Impact of Love on Cognitive Function

    Interestingly, being in love has been shown to influence cognitive function. Research suggests that individuals in the early stages of romantic love may experience impaired concentration and obsessive thinking about their beloved. This heightened focus on the object of affection is believed to be a result of increased activity in the prefrontal cortex, a region associated with decision-making and personality expression.

    Long-Term Love and Attachment

    As relationships progress, the dynamics of love evolve. Long-term love and attachment are associated with the release of oxytocin, fostering a deeper connection between partners. The brain’s reward system continues to play a role, but the nature of the reward shifts from the thrill of new love to the comfort and security of a stable, committed relationship.


    Watch this interesting TED talk for more on this topic.

    Weekly Neuroscience Update

    Illustration of the triple-wise correlation network model. Credit: Science Advances (2024). 

    By mapping brain activity in three dimensions, researchers have achieved a more detailed picture of how the brain changes with age.

    A new study reveals epigenetic alterations in the immune system of Alzheimer’s patients’ blood, suggesting environmental or behavioral factors could influence Alzheimer’s risk. The study indicates these epigenetic changes affect genes associated with Alzheimer’s susceptibility, potentially due to factors like viral infections or pollutants.

    Almost half of people who suffer a sports-related traumatic brain injury are still experiencing physical symptoms after six months according to new research findings.

    A new study suggests a novel link between depression and higher body temperatures, analyzing data from over 20,000 participants worldwide. While the causal relationship remains unclear, findings indicate that body temperature increases with the severity of depression symptoms, offering a potential new avenue for treatment.

    Acupuncture may improve language function in patients with poststroke motor aphasia, according to a new study.

    Researchers have found that adolescents being bullied by their peers are at greater risk of the early stages of psychotic episodes and in turn experience lower levels of a key neurotransmitter in a part of the brain involved in regulating emotions.

    The contraceptive pill also affects the brain and the regulation of emotions, say researchers.

    An international research team has developed a computational biology tool, based on multi-level network analysis, to achieve an integrated vision of multiple sclerosis. This tool could be used to study other complex diseases such as types of dementia.

    A new scanning study of 390 babies has shown distinct patterns between term and pre-term babies in the moment-to-moment activity and connectivity of brain networks.

    Researchers have developed a machine-learning tool that accurately identifies individuals at high risk of psychosis through MRI brain scans. This innovative approach, which achieved an 85% accuracy rate in training and 73% using new data, offers a promising avenue for early intervention in psychosis, potentially improving treatment outcomes.

    A new study highlights music’s crucial role in enhancing the quality of life for people aged 50 to 80, with 98% reporting at least one health benefit from engaging with music.

    Researchers have unveiled the “MiniTouch,” a revolutionary device that equips prosthetic limbs with the ability to convey thermal sensations to amputees, bridging a significant gap in sensory feedback technology. This breakthrough allows a transradial amputee to differentiate between objects of varying temperatures and experience more human-like touch, enhancing both functional use and emotional connection with the prosthesis.

    Scientists have found a new treatment target for CDKL5 deficiency disorder (CDD), one of the most common types of genetic epilepsy.

    A new study presents a compelling case for the integration of Large Language Models (LLMs) like ChatGPT into neuroscience, highlighting their potential to transform research by analyzing vast datasets beyond human capability. The authors suggest that LLMs can bridge diverse neuroscience fields by communicating with each other, thus accelerating discoveries in areas such as neurodegeneration drug development.

    Finally this week, researchers have developed a robotic sensor that incorporates artificial intelligence techniques to read braille at speeds roughly double that of most human readers.

    Weekly Neuroscience Update

    Credit: Cell Stem Cell (2024). DOI: 10.1016/j.stem.2023.12.009

    Researchers have developed the world’s first 3D-printed brain tissue that grows and behaves similarly to natural brain tissue, marking a significant leap forward for neurological and neurodevelopmental disorder research.

    For patients with Parkinson disease differences in quality of life outcomes are seen with deep brain stimulation of the subthalamic nucleus (STN-DBS), according to a recent study.

    New findings published in the journal Nature Neuroscience have shed light on a mysterious pathway between the reward center of the brain that is key to how we form habits, known as the basal ganglia, and another anatomically distinct region where nearly three-quarters of the brain’s neurons reside and assist in motor learning, known as the cerebellum.

    Researchers have shown that a blood test can pinpoint the underlying cause of brain injury in newborns.

    A new study suggests that high-intensity training (HIT), compared to conventional training, may improve walking ability in patients with chronic traumatic brain injury (TBI). Possible secondary benefits may include improved aerobic capacity/efficiency and cognition.

    A team of scientists has unveiled a potential game-changer in the fight against glioblastoma, the most common and currently incurable form of brain cancer.

    Combining brain stimulation with intense physical rehabilitation helped stroke survivors recover movement in their arms and hands and maintain these improvements for one year, according to a study to be presented at the American Stroke Association’s International Stroke Conference 2024.

    Psychologists have investigated the extent to which neuromodulation of the brain with ultrasound waves influences people’s behavior. The results can also be used as a basis for therapeutic purposes.

    A preliminary study reveals that intravenous injections of ginkgo biloba components could significantly improve early cognitive recovery in ischemic stroke patients. Conducted across multiple centers in China, the research tested the effects of ginkgo diterpene lactone meglumine (GDLM) on 3,163 stroke survivors, showing notable improvements in cognitive scores compared to a placebo group.

    The brains and blood of people with a history of excessive drinking show cellular evidence of premature aging.

    A new study gives insights into the underlying mechanisms of the formation of protein clumps in Alzheimer’s disease. The study could pave the way for new treatments for this devastating neurodegenerative disorder.

    Finally, this week, engaging in music throughout your life is associated with better brain health in older age, according to a new study.