Johns Hopkins researchers, along with colleagues in Italy, have published a study that looks into the genetic mechanisms behind the development of schizophrenia.
Researchers from Queensland have developed a new fMRI technique with vastly increased temporal resolutions, enabling them to capture the dynamics of brain activity at a sub-second level.
The distinction between primary tumors and metastases can be made quickly and accurately in brain tumors using radiomics and deep learning algorithms, a new study shows.
Glioblastomas march to the beat of a different drum: researchers discovered a type of cells that act as pacemakers, driving the growth of the brain tumour and increasing its resistance.
New research has found variable voltages in the membranes of breast cancer cells, revealing clues about how they grow and spread.
Cardisiography is a screening method for detecting structural, rhythmical, or vascular heart disease and a decision support tool to guide targeted follow-up. Meik Baumeister, CEO of Cardisio, talks about the development and the operating principle.
Researchers for the first time compared schizophrenia and frontotemporal dementia, disorders that are both located in the frontal and temporal lobe regions of the brain.
Functional ultrasound localization microscopy (fULM) captures the cerebral activity at the micron-scale, opening up major future clinical perspectives for the diagnosis of cerebrovascular pathologies.
Copper exposure in the environment and the protein alpha-synuclein in the human brain could play an important role in the pathogenesis of Parkinson's disease, researchers found.
Using a novel probe for functional magnetic resonance imaging, researchers have devised a way to monitor individual populations of neurons and reveal how they interact with each other.
Connecting the brain with a machine has been a powerful dream of mankind. What used to be science fiction, from the Borg in Star Trek to the Matrix, has become mainstream thanks to Elon Musk and Mark Zuckerberg who have put their entrepreneurial commitments into the area of neurotechnology. Recently, Professor Surjo R. Soekadar outlined current and upcoming applications of brain-computer…
Since Compamed could only be held digitally last year, due to the pandemic, the event now takes place publicly again. Almost 500 registrations from exhibitors prove that there is a high level of interest from medical technology suppliers – a huge step towards reaching normality again.
The mechanisms by which the body measures temperature and regulates its own body heat are vital, but still poorly understood. The discovery of the first heat sensor on nerve cells in the skin, for which the U.S. molecular biologist David Julius received this year's Nobel Prize for Medicine, was therefore pioneering. However, a very similar heat sensor, the protein TRPM2, is active not only in the…
Researchers at the national research institute for mathematics and computer science in the Netherlands (CWI), together with a colleague from Stichting Interuniversitair Micro-Elektronica Centrum (IMEC) in Eindhoven, have achieved a mathematical breakthrough in the computation of so-called spiking neural networks. Thanks to this breakthrough, special chips that are suitable for this artificial…
Researchers at the DZNE and the University Medical Center Göttingen (UMG) have identified molecules in the blood that can indicate impending dementia. Their findings, which are presented in the scientific journal “EMBO Molecular Medicine”, are based on human studies and laboratory experiments. Various university hospitals across Germany were also involved in the investigations.
An EPFL scientist has found that brain fingerprints – or maps of the neural connections within our brain – can be used to detect a decline in cognitive ability. That’s because the fingerprints are harder to detect in people who already have mild cognitive impairment.
An international team of scientists led by EPFL has developed a system that combines information from the brain’s connectome – the “wiring” between neurons – and machine learning to assess and predict the outcome of stroke victims. When blood flow to the brain is somehow reduced or restricted, a person can suffer what we know as a stroke (from “ischemic stroke” in medical jargon).…
Dr. Hayder Amin and Dr. Caghan Kizil from the DZNE’s Dresden site aim to speed up developing drugs against brain diseases through cutting-edge technology. To this end, they are generating an innovative technology platform, termed “i3D-Markers”, based on high-density microelectrode arrays and 3-dimensional networks of human neurons. Compounds to be tested will be dripped onto this setup, and…
Two clusters of brain cells compete to promote either the persistence or disappearance of traumatic memories, according to a new study conducted in mice. The findings could provide important insights into human conditions such as post-traumatic stress disorder (PTSD), anxiety disorders, and associated problems such as alcohol use disorder (AUD) that can arise from the persistence of traumatic…
Our brains are non-stop consumers. A labyrinth of blood vessels, stacked end-to-end comparable in length to the distance from San Diego to Berkeley, ensures a continuous flow of oxygen and sugar to keep our brains functioning at peak levels. But how does this intricate system ensure that more active parts of the brain receive enough nourishment versus less demanding areas? That’s a century-old…
Doctors and healthcare workers may one day use a machine learning model, called deep learning, to guide their treatment decisions for lung cancer patients, according to a team of Penn State Great Valley researchers. In a study, the researchers report that they developed a deep learning model that, in certain conditions, was more than 71% accurate in predicting survival expectancy of lung cancer…
Certain anchor proteins inhibit a key metabolic driver that plays an important role in cancer and developmental brain disorders. Scientists from the German Cancer Research Center (DKFZ) and the University of Innsbruck, together with a Europe-wide research network, discovered this molecular mechanism, which could open up new opportunities for personalized therapies for cancer and neuronal diseases.
Getting computers to “think” like humans is the holy grail of artificial intelligence, but human brains turn out to be tough acts to follow. The human brain is a master of applying previously learned knowledge to new situations and constantly refining what’s been learned. This ability to be adaptive has been hard to replicate in machines. Now, researchers at the Salk Institute have used a…
Researchers have discovered that microglia cells constantly survey the brain to prevent spontaneous seizures.
Focused ultrasound waves help researchers at ETH Zurich to deliver drugs to the brain only to where their effect is desired. This method is set to enable treatment of psychiatric and neurological disorders and tumours with fewer side effects in the future.
Scientists from Texas A&M University, Hewlett Packard Labs and Stanford University have developed a new nanodevice that acts almost identically to a brain cell.
Artificial intelligence (AI) experts at the University of Massachusetts Amherst and the Baylor College of Medicine report that they have successfully addressed what they call a “major, long-standing obstacle to increasing AI capabilities” by drawing inspiration from a human brain memory mechanism known as “replay.” First author and postdoctoral researcher Gido van de Ven and principal…
Scientists combined induced pluripotent stem cells (iPSC) and their deep knowledge in the bioengineering of human organoids to for the first time bioengineer the human brain at the macroscale level with comprehensive network function
“Spinocerebellar ataxias” are diseases of the nervous system associated with a loss of motor coordination. A European research alliance headed by the German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn has now registered whether and how symptoms of ataxia developed over the years in around 250 persons at risk, who initially did not show symptoms. This is the first…
The ability of the human brain to process and store information is determined to a large extent by the connectivity between nerve cells. Chemical synapses are very important in this context as they constitute the interface for the transmission of information between individual nerve cells. Abnormalities in the formation of synapses cause many neurological disorders such as autism. Neurobiologists…
The complex form of machine learning DLIR (Deep Learning Image Reconstruction) is based on a deep neuronal network which is similar to the human brain. The artificial neurons of this network learn according to their biological model through intensive training. For the DLIR image reconstruction, the network is fed with sample data from phantom images on the one hand and high-resolution images of…
Neurons that are responsible for new experiences interfere with the signals of neurons that contain memories and thereby disturb the recall of memories – at least in mice. The research group of Martin Fuhrmann of the German Center for Neurodegenerative Diseases (DZNE) reports this phenomenon in the scientific journal “Nature Neuroscience“. The results of this study potentially shed new…
The body can recover from many things, but the damage caused by Parkinson’s disease isn’t one of them. No cure exists for Parkinson’s, which 1 million people in the U.S. are expected to be living with by 2020. But an outright cure isn’t the primary objective of research by Chongli Yuan, a Purdue University chemical engineering professor and leader of Purdue’s section of a…
Artificial intelligence (AI) opens up a host of new diagnostic methods and treatments. Almost daily we read about physicians, researchers or companies that are developing an AI system to identify malignant lesions or dangerous cardiac patterns, or that can personalise healthcare. ‘Currently, we are too focused on the topic,’ observes Professor Christian Johner, of the Johner Institute for…
For the first time, researchers from Helmholtz Zentrum München and the University Hospital of LMU Munich show that deep learning algorithms perform similar to human experts when classifying blood samples from patients suffering from acute myeloid leukemia (AML). Their proof of concept study paves the way for an automated, standardized and on-hand sample analysis in the near future. The paper was…
Swarms of nanoparticles which are 15,000 times smaller than a pinhead may be able to deliver vital drugs to the brain, offering new hope to patients in the early stages of a stroke. The research, carried out at The University of Manchester, shows that tiny vesicles called liposomes, just 100 nanometres in diameter can translocate through the damaged blood brain barrier following stroke. And that…
Non-invasive brain stimulation is to be trialed for the first time alongside advanced brain imaging techniques in patients who are minimally conscious or in a vegetative state. The study builds on promising results from the Centre for Human Brain Health at the University of Birmingham which suggested that non-invasive brain stimulation can improve the success of rehabilitation for non-responsive…
Researchers at ETH Zurich have refined the famous CRISPR-Cas method. Now, for the very first time, it is possible to modify dozens, if not hundreds, of genes in a cell simultaneously. The biotechnological method CRISPR-Cas offers a relatively quick and easy way to manipulate single genes in cells, meaning they can be precisely deleted, replaced or modified. Furthermore, in recent years,…
Neonatal exposure to nicotine alters the reward circuity in the brains of newborn mice, increasing their preference for the drug in later adulthood, report researchers at University of California San Diego School of Medicine in a study published in Biological Psychiatry. A UC San Diego School of Medicine team of scientists, headed by senior author Davide Dulcis, PhD, associate professor in the…
Scientists put AI systems to the test und provide a glimpse into the diverse “intelligence” spectrum observed in current AI models.
Artificial intelligence (AI) continues to drive radiologists’ discussions. Among them, Associate Professor Georg Langs, head of the Computational Imaging Research Lab (CIR) at the University Clinic for Radiology and Nuclear Medicine at the Medical University of Vienna, believes: ‘The evaluation of patterns in data from imaging examinations and clinical information about patients using machine…
Alzheimer's disease is often marked by a creeping progression: Years before symptoms of Alzheimer’s disease manifest, the brain starts changing and neurons are slowly degraded. Scientists at the German Center for Neurodegenerative Diseases (DZNE), the Hertie Institute for Clinical Brain Research (HIH) and the University Hospital Tübingen now show that a protein found in the blood can be used…
This could be a major step towards a better understanding of the functions of deeply hidden brain compartments, such as the formation of memories, as well as related dysfunctions, including Alzheimer’s disease. Researchers from the Leibniz Institute of Photonic Technology (Leibniz IPHT) in Jena and the University of Edinburgh have succeeded in using a hair-thin fibre endoscope to gain insights…
Imec, the world-leading research and innovation hub in nanoelectronics and digital technologies, released and is making available its state-of-the-art high-density neural probe, Neuropixels, to the global neuroscience research community. With almost a thousand electrodes, and 384 recording channels on a single shank, the Neuropixels probe provides an unprecedented resolution for mapping brain…
'Image Computing, including image analysis, artificial intelligence, artificial neural networks und deep learning, is starting a revolution,’ says Dr Paul Suetens, professor of Medical Imaging and Image Processing at University Hospital Leuven. Artificial Intelligence (AI) is not new – research in this field was carried out as far back as the 1950s – but, whilst in the early days AI learnt…
The first successful surgery under anaesthesia occurred in the 1840s. Since then, people have been developing theories about what might be going on in the brain while a person is unconscious. Even after thousands of surgeries, researchers still don’t understand exactly which specific areas of the brain are responsible for transitioning into unconsciousness and back.
An interdisciplinary and international research group led by Dr. Volker Busskamp from the Center for Regenerative Therapies Dresden at the TU Dresden (CRTD) has decoded the regulatory impact on neuronal survival of a small non-coding RNA molecule, so-called miRNA, at the highest resolution to date.
Neuroscientist Lynda Chin MD, Founder and CEO of Real-world Education Detection and Intervention, has little doubt: ‘Artificial intelligence to the rescue,’ she proclaimed in her keynote address at the Artificial Intelligence and Machine Learning Summit, held in Las Vegas this spring. ‘We need a system and analytics to interpret data!’ she urged, despite being well aware that building a…
Everyone knows what our brains look like – but why is it folded up like that? Looking at other species reveals much less folding or even none at all. Scientists in Dresden, Germany, have now taken a closer look at the ridges and grooves of human brains. They discovered what causes our brains to fold – and what happens when the folding process goes wrong.
SLAC and Stanford researchers are developing a device that combines electrical brain stimulation with EEG recording, opening potential new paths for treating neurological disorders. It could help bring back lost brain function by measuring how the brain responds to therapies that stimulate it with electric current.
Biomedical engineers at Columbia Engineering have discovered a new fundamental feature of brain oscillations: they actually move rhythmically across the brain, reflecting patterns of neuronal activity that propagate across the cortex. The coordination of neural activity across widespread brain networks is essential for human cognition. Researchers have long assumed that oscillations in the brain,…
Researchers have shown for the first time that a form of artificial intelligence or machine learning known as a deep learning convolutional neural network (CNN) is better than experienced dermatologists at detecting skin cancer. In a study published in the leading cancer journal Annals of Oncology, researchers in Germany, the USA and France trained a CNN to identify skin cancer by showing it more…
A study by scientists of the German Center for Neurodegenerative Diseases (DZNE) points to a novel potential approach against Alzheimer’s disease. In studies in mice, the researchers were able to show that blocking a particular receptor located on astrocytes normalized brain function and improved memory performance. Astrocytes are star-shaped, non-neuronal cells involved in the regulation of…
Lawrence Livermore National Laboratory scientists and engineers have developed a “brain-on-a-chip” device aimed at testing and predicting the effects of biological and chemical agents, disease, or pharmaceutical drugs on the brain over time without the need for human or animal subjects. The device, part of the Lab’s iCHIP (in-vitro Chip-Based Human Investigational Platform) project,…
A team of biologists has found an unexpected source for the brain’s development, a finding that offers new insights into the building of the nervous system.
Language recognition on the smartphone, spam filters in the e-mail programme, personalised product recommendations by Amazon or Netflix – all share one feature: they are based on an algorithm that recognises patterns in a set of data. This artificial generation of knowledge is called machine learning.
Study reveals the surprising role of omega-3 fatty acids in keeping the blood-brain barrier closed
All it takes is the flip of a protein “switch” within the tiny wire-like capillaries of the brain to increase the blood flow that ensures optimal brain function. New research has uncovered that capillaries have the capacity to both sense brain activity and generate an electrical vasodilatory signal to evoke blood flow and direct nutrients to nourish hard-working neurons.
Approximately one percent of the world population are epileptic; in France alone, an estimated 600,000 people regularly experience seizures.
Up to ten years ago only a handful of antibodies that could be detected in the blood were known to neurology.
Illuminating blood vessels, opening the blood-brain barrier and delivering drugs. What will be the next big thing that tiny microbubbles can do?
Tufts University researchers have discovered a new technique for generating rapidly-differentiating human neural stem cells for use in a variety of tissue engineering applications, including a three-dimensional model of the human brain, according to a paper published in Stem Cell Reports. The work could pave the way for experiments that engineer other innervated tissues, such as the skin and…
Pathologists have been largely diagnosing disease the same way for the past 100 years, by manually reviewing images under a microscope. But new work suggests that computers can help doctors improve accuracy and significantly change the way cancer and other diseases are diagnosed. A research team from Beth Israel Deaconess Medical Center (BIDMC) and Harvard Medical School (HMS) recently developed…
MRI, CT, pathology: doctors have to consider medical image data – increasing in both amount and complexity – to perform diagnoses and monitor therapy. The Fraunhofer Institute for Medical Image Computing MEVIS in Bremen is creating a new approach to provide effective assistance.
‘In IT we often casually say that Big Data is exactly what we can’t do yet,’ said Professor Christoph Meinel, President of Germany’s Hasso-Plattner-Institute, ruefully. We asked the computer science expert about the potential of big data in medicine and medical research.
The loss of a critical receptor in a special class of inhibitory neurons in the brain may be responsible for neurodevelopmental disorders including autism and schizophrenia, according to new research by Salk scientists.
Degeneration of the white matter of the brain may be an early marker of specific types of Alzheimer's disease (AD), including early-onset AD, according to results of a new study published in the journal Radiology.
The research objective of Dr.-Ing. Laura De Laporte, junior group leader at DWI – Leibniz Institute for Interactive Materials in Aachen, is to develop a minimally invasive therapy for spinal cord injury. Her goal and her scientific approach to develop an injectable material with the ability to provide biochemical and physical guidance for regenerating nerves across the injury site, was selected…
New insights into the ways the human brain functions – that is the promise of mapping the entire web of connections in the brain, the so-called connectome. New developments in connectome imaging are one of the major topics at this year’s European Congress of Radiology (ECR).
How do our brains combine information from the external world (sensory stimulation) with information on our internal state such as hunger, fear or stress?
In the meantime, the Compamed Spring forum has become as much a part of the furniture as the Compamed in Düsseldorf - the leading international specialist trade fair for suppliers to the medical technology industry which has been held every year in November since 1992.
The brain of mammals produces new neurons for the whole of their lives. This process, called neurogenesis, enables cognitive functions such as memory or learning, and its decrease is linked to some neuro-psychiatric pathologies and intellectual disabilities.
Integrated PET/MRI systems will permit the simultaneous acquisition of molecular, functional and structural parameters. The combined strengths of PET (high sensitivity and specificity, but relatively low spatial resolution) and MRI (high resolution, but low sensitivity) is the most attractive feature of multimodal imaging with hybrid scanners. Their application could substantially contribute to…
Digital mammography, which is considered the gold standard of breast imaging, has rendered image management and consequently the entire – purely on-screen – diagnostic process more reliable and more efficient.
The Uliazpi Foundation in Spain, which studies and cares for severely mentally retarded patients, carried out an interesting study to identify bone mineral density values in a group of its patients, compare these with the general population and investigate the possible influence on these values on certain clinical variables and therapeutic regimens.
Surgery in the lower pelvic region often involves injury to or severing of nerve tissue. As in chronic diseases of the nervous system, the result can be pain, sensory disturbances or loss of function. Up to now the poor view of the nerves, partially formed of fine interwoven networks, has been one of the major problems – exacerbated by the strict division of skills between neurologists and…
As the German Society of Neuroradiology 40th annual meeting approached (Venue: Dresden. 31 August - 3 September), Professors Martin Schumacher (Freiburg), President of the German Society of Neuroradiology (GSN) and Rüdiger von Kummer (Dresden), the meeting's President, examine the history and potential in this medical field