Tag: "neural" at medical news
Miniature implanted devices could treat epilepsy, glaucoma
...c seizure before it occurs. The system will record neural
signals relayed by electrodes in various points in the brain, said Pedro Irazoqui (pronounced Ear-a-THOkee), an assistant professor of biomedical engineering. "When epileptics have a seizure, a particular part of the brain starts firing in a way th...
Rutgers professor Bart Krekelberg is named 1 of 20 US Pew Scholars for 2007
...niversity in Newark, seeks to provide a map of the neural
activity involved in visual processing during eye ... Scholar in the Biomedical Sciences.Working at the neural
systems and network levels, Krekelberg and his research team plan to pinpoint those areas of the bra...
Paying taxes, according to the brain, can bring satisfaction
... people even more, so would the voter get a bigger neural
reward" Harbaugh, Mayr and co-author Dan Burghart, an economics graduate student, say they are not worried about the possibility that governments could use their method to monitor tax evasion, or charities could use it to figure out whom to ask for...
Stanford researchers track human stem cells transplanted into rat brain
... Medicine have illuminated the path taken by human neural
stem cells that were transplanted into the brains ...ing the best way of using the cells to treat human neural
disorders, such as stroke, traumatic brain injury, Parkinson's disease or radiation damage. The fi...
Human stem cell treatment restores motor function in paralyzed rats
...occurred due to a loss of blood flow to the spines neural
cells, by grafting human neural
stem cells directly into the spinal cord we can achieve a progressive recovery of motor function, sa...
Brain activity reflects differences in types of anxiety
...tant implications for treatment. To test whether neural
activation patterns supported the hypothesis that ...ging (fMRI) to map the brain areas with heightened neural
activity during a variety of psychological probes. As the researchers had predicted, the anxious a...
Developments in tissue engineering offer new sources for stem cell treatments
...riety of cell lineages, including bone, muscle and neural
cell types. San Francisco researchers investigated whether autologous adipose-derived stem cells could be differentiated into urologic tissues that could be used for reconstructive purposes. Investigators harvested paragonadal adipose tissue from r...
MIT reports key pathway in synaptic plasticity
... connections between neurons--and the "pruning" of neural
circuits during development, not least because synaptic abnormalities may partially underlie many developmental and neurodegenerative diseases. Several key molecules are involved in normal synaptic formation, but their interactions are not well und...
Elsevier announces launch of Brain Stimulation
...d the use of these techniques to study patterns of neural
connectivity. An equal emphasis will be placed on the therapeutic applications and adverse effects of stimulation techniquesnot just clinical trials, but also conceptual pieces, consideration of ethical issues, and other issues related to the use of...
Meditation may fine-tune control over attention
... The results of the study show that devoting fewer neural
resources to the first target leaves enough left over to attend to another target that follows shortly after it, he says. Because the subjects were not meditating during the test, their improvement suggests that prior training can cause lasting ch...
Sleep deprivation can threaten competent decision-making
...es following risky decisions. To understand the neural
underpinnings of risky decision making under condi...RI to measure the haemodynamic response related to neural
activity in the brain or spinal cord of humans. The authors found that the nucleus accumbens, an a...
Culture sculpts neural response to visual stimuli, new research indicates
...s at the University of Michigan reported differing neural
activation patterns in the brains of East Asians a...st recent study takes this work further, comparing neural
responses to visual stimuli in young and old adults in both cultures. In this analysis, the research...
Study finds role of mid-brain in integrating heart and respiratory response to exercise
...e in the midbrain, contains the greatest number of neural
changes in connection with anticipation of exercis...he researchers set out to test the hypothesis that neural
activity in subcortical structures recorded from humans who have deep brain stimulating electrodes c...
Revolutionizing prosthetics 2009 team delivers first DARPA limb prototype
...ent on their own merit, Harshbarger notes. Further neural
integration work includes fabrication of early devices to integrate directly with the peripheral nervous system and the cortex. APL and DARPA are united in the mission to improve technology and quality of life for our injured warfighters, Harshbarg...
Wired for sound: How the brain senses visual illusions
...n. Their findings, which provide new insight into neural
mechanisms by which visual perception can be alter...gests that there are consistent differences in the neural
connectivity that are possibly shaped during one's development and through experience," she said. ...
Fragile X, Down syndromes linked to faulty brain communication
...te around these potential dead ends, the resulting neural
network has fewer cells and is less complex. "If, ...rmal nerve cells are now responsible for half your neural
network, the information-carrying capacity of your brain goes down," he said. Madison said the fin...
The root of dyscalculia found
...timate goal of early diagnosis through analysis of neural
tissue, which in turn will lead to earlier treatments and more effective remedial teaching. Using neuronavigated transcranial magnetic stimulation (TMS) to stimulate the brain, scientists were able to bring about dyscalculia in normal subjects for ...
MIT brace aids stroke recovery
...eloped robotic brace can help people exploit their neural
plasticity--the increasingly recognized ability of the brain to rewire itself in response to experience and training. The robotic therapy device, which is awaiting FDA approval, was tested on stroke patients at MIT's Clinical Research Center and a...
Antidepressants improve post-stroke 'thinking outside the box'
...hesize that antidepressants may foster recovery of neural
tissue not directly destroyed by the stroke, yet because the process is slow, it takes months. "Drugs such as antibiotics start working right away to kill germs. However, antidepressants may be reorganizing brain structure and re-establishing neuro...
The influence of the menstrual cycle on the female brain
...en Berman, has identified, for the first time, the neural
networks involved in processing reward-related fun...brain) and their projection sites2, is crucial for neural
coding of rewards. Its dysfunction can result in disorders such as addictions and is also implicated...
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