Researchers found that brain fluid circulation depends on blood flow in the venous sinuses, and impaired lymphatic vessels lead to accumulated fluids causing pressure buildup. The study opens new avenues for refining diagnosis and improving patient care for patients with IIH.
A study analyzing French and Swedish national health databases reveals a rise in Parkinson's disease, multiple sclerosis, and motor neuron diseases' prevalence worldwide. Improved life expectancy and therapies contribute to the increase in multiple sclerosis cases, while population aging is the primary driver of ALS rising incidence.
Researchers found that the rostral prefrontal cortex acts as a bridge between the default mode network and executive control network, enabling a gradual functional transition. The study suggests that creativity relies on a measurable balance between these networks.
Researchers found four mental states: recollections, connection to environment, bizarreness, and voluntary control, which appear across all three vigilance stages. A specific brain signature for the 'bizarre' dream-like state was also identified, characterized by reduced long-range connectivity between brain regions.
Researchers developed mosaic mini-brains to study focal cortical dysplasia type II, a condition causing seizures in children. The findings support the two-hit model, suggesting that complete loss of DEPDC5 is necessary and sufficient to initiate the disease, with mosaicism determining lesion extent.
Researchers created an atlas detailing the development of brain blood vessels from birth to adulthood, revealing three distinct stages. The Lambada atlas provides a high-resolution map of vascular development, enabling researchers to explore the developing brain in 3D.
Researchers have identified two compounds that restore chloride balance in neurons, thereby allowing GABAergic signaling to regain its inhibitory function. PCPZ and CLP-257 significantly improved KCC2 efficiency, reducing seizures and other electrical markers of epileptic activity in human brain tissue and animal models.
Researchers found that inhibiting LETM1, a protein regulating mitochondrial calcium, can significantly improve performance in tasks requiring long-term memory. This approach enhances metabolic stimulation and leads to overproduction of ATP, prolonging energy production beyond normal brain activity.
A new approach to assessing patients with disorders of consciousness combines six assessment techniques, including high-density EEG and functional MRI. The study reveals that combining data from multiple techniques significantly improves model performance and provides a synthetic and precise assessment of patient outcomes.
Mind blanking is characterized by decreased connectivity between neural networks, disrupted visual information processing, and reduced sensory input. The study's findings suggest that being awake does not necessarily mean being conscious of something, and mind blanking corresponds to a genuine interruption in the stream of thoughts.
Hyperthymesics possess extraordinary control over memories of life events, organizing them within a mental space for vivid recall. This ability allows for intense mental travel through time, with some individuals recalling details from different points of view.
A new multimodal approach has been developed to predict recovery in patients with disorders of consciousness, combining PET scans, multivariate EEG analysis, functional MRI, and cognitive evoked potentials. The approach shows improved prognostic performance and accuracy compared to standard measurements.
A study found that individuals taking probiotic supplements showed increased sensitivity to fairness and a greater inclination to reject unequal offers. This was accompanied by changes in gut microbiota composition and levels of dopamine precursors. The findings suggest a potential causal mechanism linking gut bacteria to social behavior.
Researchers develop gene therapy to delay progression of metachromatic leukodystrophy by correcting enzyme deficiency and reducing neuroinflammation. Successful treatment has been demonstrated in mice, paving the way for potential human clinical trials.
Researchers used intracortical recordings to study the neural mechanisms behind exogenous attention, identifying three cortical networks activated in sequence as attention was captured by visual stimuli. The findings suggest a continuum of activity in the cortex, with attention emerging as a bridge between perception and action.
Scientists have identified key stages in the 'wave of death' - a high-amplitude wave that marks the transition to complete brain silence after oxygen deprivation. The study found that this critical event induces neuronal death throughout the cortex and can be reversible with timely resuscitation.
Researchers found that ordinary sleepers can pick up verbal information and respond to it by contracting facial muscles, even during most stages of sleep. The study suggests that standardized communication protocols may be possible with sleeping individuals to better understand mental activity changes during sleep.
Previous studies suggest that psychedelics can induce an altered state of consciousness leading to new thought patterns, which is promising in treating OCD. Research analyzing the experience of past users found dissipation of obsessive thoughts, reduced anxiety, and increased acceptance of OCD symptoms.
A study by Paolo Bartolomeo and Jianghao Liu investigated the nature of aphantasia, finding that individuals with aphantasia have normal perception and memory capabilities but struggle with visual mental imagery. They propose that phenomenal consciousness may play a role in this phenomenon.
Researchers have identified a conserved brain region in vertebrates essential for initiating forward movement. The mesencephalic locomotor region (MLR) stimulates reticulospinal neurons to control finer details of movement. Mapping this circuit could lead to new treatments for Parkinson's disease.
Researchers studied how tastes influence creativity by analyzing brain networks and individual preferences. They found that the subjective evaluation of ideas plays a crucial role in creativity, and that individuals have different creative profiles related to their fields of activity.
A recent study revealed that attention plays a crucial role in shaping our conscious experience of the world. Researchers found that manipulating attention can modify an individual's ability to consciously perceive visual stimuli, highlighting the intricate relationship between attention and conscious perception. By using advanced neur...
Researchers found that fruit flies prefer larger quantities, but struggle to distinguish between 3 and 4 objects, highlighting the importance of ratio perception. LC11 neurons are essential for comparing quantities in fruit flies.
Researchers have discovered that inhibitory neurons can transmit information over long distances in the prefrontal cortex, allowing for adaptive changes in behavior. This synchronization of gamma oscillations is associated with the realization of new rules and enables cognitive flexibility.
Researchers identified 756 patients with rare forms of spinocerebellar ataxias (SCA), revealing diverse disease manifestations and symptoms. The study highlights the importance of sequencing the genome to improve diagnosis and treatment for these previously underdiagnosed cases.
Researchers found that the amyloid precursor protein (APP) regulates human neurogenesis, which could be linked to Alzheimer's disease. APP promotes a balance between stem cell proliferation and differentiation, suggesting its disruption may cause premature neurogenesis and cellular stress.
Researchers have developed a simple blood test that can diagnose De Vivo disease, a rare and disabling neurological disorder. The test, called METAglut1, has a high sensitivity and specificity, allowing for accurate diagnosis in a short amount of time.
Researchers developed a novel tool to monitor recovery after CNS demyelination, enabling early testing of pro-remyelinating strategies. This new approach shows promising results in reducing clinical failure and advancing therapeutic success for multiple sclerosis.
A study found that bilingual readers process Latin and Chinese characters in different ways due to the formation of specialized cortical areas within the Visual Word Form Area (VWFA). In English-Chinese bilinguals, areas were only stimulated by recognition of Chinese logograms, while English-French bilinguals showed equal activation fo...
A new study identifies several cytokine markers associated with poor prognosis in New-Onset Refractory Status Epilepticus (NORSE) patients. The researchers found that the concentration of these inflammatory proteins was higher in NORSE patients than controls, and their increase was correlated with short-term and long-term neurological ...
Glioblastoma patients have a median survival time of 15 months due to the rapid infiltration of brain tissue. Cellular senescence, previously thought to be only a marker of aging, is now linked to cancer progression, with senescent cells promoting tumor growth and immune evasion.
Researchers discovered that administering oxygen during episodes of dystonia significantly reduces symptoms and improves quality of life. The study found that rapid oxygen delivery interrupts cortical spreading depression, a phenomenon linked to hypoxia and triggering the condition.
Researchers discovered that sensory cells in the spinal cord's central canal can detect bacteria in cerebrospinal fluid and trigger an inflammatory response to fight brain infections. These 'taste' receptors recognize bitter substances, such as those from Streptococcus pneumoniae, and increase cytokine production to combat pathogens.
Studies reveal that 73% of tickertape synesthetes experienced this ability during childhood reading acquisition. This characteristic can be both an advantage and a nuisance, aiding memorization but disrupting attention in crowded places.
A recent study from the Paris Brain Institute has identified a region of the brain where the decision to procrastinate is made: the anterior cingulate cortex. The researchers developed an algorithm to predict participants' tendency to procrastinate, suggesting that procrastination is related to the impact of deadlines on task evaluation.
A study by Emmanuelle Volle's group at the Paris Brain Institute has identified two semantic memory search processes involved in creativity: clustering and switching. Clustering is linked to divergent thinking, while switching relates to combining distant associations between concepts.
Researchers propose a new framework for understanding how our prefrontal cortex makes decisions, highlighting the role of ventromedial prefrontal cortex in assigning value to options and medial prefrontal cortex in confidence and deliberation. The study's findings can be generalized to other types of behavior, such as judgments.
Researchers at the Paris Brain Institute identified a key brain network for visual mental imagery in a patient with a left occipitotemporal lesion. The study found that the fusiform imagery node, linked to language and semantic systems, remained intact despite the lesion.
Researchers developed a semi-ecological approach combining behavioral assessment and brain imaging to assess disinhibition in frontotemporal degeneration. The study found that compulsivity and social disinhibition are key components of the symptom, which can be distinguished using neuroanatomical correlates.
A new statistical method for brain mapping is proposed to improve accuracy by removing redundant associations. The study uses simulations to test the method's performance on fake diseases and scores, revealing its superiority over existing approaches. The next step is to apply this refined analysis to study Alzheimer's disease.
During the first lockdown, people felt more creative and focused on activities related to the situation, such as cooking and gardening. A positive correlation was found between mood and creativity, with better emotional states leading to increased creative thinking.
A retrospective study confirms coffee's potential as a first-line treatment for ADCY5-related dyskinesia, improving symptoms in 87% of patients. Coffee's efficacy is attributed to its ability to bind to adenosine receptors and modify the function of the dysfonctional protein ADCY5.
Researchers analyzed health records of nearly 80,000 patients to identify new risk factors for Alzheimer's disease, including depression, anxiety, and hearing loss. The study found that these conditions were associated with an increased risk of developing Alzheimer's up to 15 years before the onset of symptoms.
Researchers discovered how pre-transplant chemotherapy facilitates replacement of brain's innate immune cells by transplanted stem cells. This process involves microglial cell death and senescence, but is not harmful to the brain, as it is quickly replaced by bone marrow-derived macrophages.
Researchers found that negative emotions during dreams are associated with rapid eye movements in bursts, while positive emotions correlate with slow eye movements. This study provides new understanding of the role of REM sleep in regulating emotions and its link to mental health.
A team of scientists has identified a previously unknown brain region involved in maternal behaviors in mice, which is linked to hormone-sensitive neurons. The discovery sheds new light on the biological mechanisms underlying pregnancy and its effects on brain circuits.
The study establishes a link between real-life creativity and semantic memory structure, predicting individual differences in brain functional connectivity. Participants' creative activities and achievements were found to be related to the efficiency of their semantic memory networks.
A recent clinical trial conducted by Prof. Alexandra Durr's team found that riluzole does not improve symptoms in patients with spinocerebellar ataxia type 2, but provided valuable biomarkers for future trials. The study involved 45 patients and revealed a good tolerance and absence of adverse effects.
Researchers found a specific phase of sleep after falling asleep that triples the chances of finding creative solutions, making it a potential tool for stimulating creativity in everyday life. This discovery opens a new field of study on brain mechanisms of creativity and challenges the common view of sleep as a waste of time.
Researchers are using social neuroscience to study how individual brains synchronize during group interactions, revealing key findings on animal cognition and collective decision-making. This new approach has implications for understanding human social intelligence and the potential for virtual collective dynamics.