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Tag: "electrodes" at medical news

Electric Field Therapy to Zap Cancerous Tumours

...ntensity electrical fields delivered via insulated electrodes on the scalp, to disrupt tumour growth by interfering with cell division of cancerous cells which causes the cells to stop proliferating and die off instead of dividing and growing. The device was developed by a team of researchers led by Profess...

Scientists Destroy Cancer Cells Using Electric Pulses

...series of short intense electric pulses from small electrodes placed in or around the body," said Davalos, who is the 2006 recipient of the Hispanic Engineer National Achievement Award for Most Promising Engineer or Scientist. "This application creates permanent openings in the pores in the cells of the unde...

FDA Approve S Robotic Device to Help Stroke Patients

... was positioned in the metal and plastic brace and electrodes were placed on her biceps and triceps to sense electrical activity. Initially, her arm was locked at a 90-degree angle; when she tried to extend it, the brace stepped in and her arm stretched out in front of her. At first it felt weird and foreign,...

Scottish Engineer Devises Versatile Hand

...arm, conceals a rechargeable battery and a pair of electrodes which sit on top of the skin, where they pick up signals destined for the absent hand. The signals are transmitted to a tiny computer housed in the back of the artificial hand and controls the motors hidden in the fingers. Small objects such as...

Gene Therapy for Parkinsons Disease

...or the surgical procedure. If it doesn't work, the electrodes can be removed. Gene therapy could be a more natural way to treat the disease, said Dr. Feigin. This important study shows that gene therapy can be performed safely and may benefits patients. The gene therapy technique was developed by Neurologix, ...

This is How We Learn from Our Past Mistakes

...did this, their brain activity was recorded via 58 electrodes placed on their scalp. The researchers identified activity in the lower temporal region of the brain, the area closest to the temples. This occurred almost immediately after the person was presented with the visual object that had previously made ...

Brain Signal Prevents Us from Repeating Mistakes

...did this, their brain activity was recorded via 58 electrodes placed on their scalp. The researchers identified activity in the lower temporal region of the brain, the area closest to the temples. This occurred almost immediately after the person was presented with the visual object that had previously made the...

Meditation May Fine-Tune Control Over Attention

...d the task, their brain activity was recorded with electrodes placed on the scalp. In some cases, two target numbers appeared in the series less than one-half second apart - close enough to fall within the typical attentional blink window. The research group found that three months of rigorous training in Vip...

Unique Electrical Stimulation Device to Restore Mobility in Stroke Survivors

... patients foot is in the air or on the ground, and electrodes that transmit painless electrical stimulation to the peroneal nerve to activate the calf muscle and correct their gait. Doctors at the medical centre have also shown that the device improves walking co-ordination, speed and blood flow, and decrease...

New Device for Stroke Patients Improves Walking

...patient's foot is in the air or on the ground, and electrodes transmit painless electrical stimulation to the peroneal nerve to activate the calf muscle and correct their gait. Offered on an inpatient and outpatient basis, the NESS L300 has been shown to improve walking coordination, speed and blood flow, and...

Implanting Electrodes in the Brain Could Help Treat Severe Depression

Implanting electrodes in the brain could help treat people who are suffe...tached to the stimulator run under the skin to two electrodes that are put in through small holes in the skull and joined to the bone. The stimulator, which can...

Radical Idea of Implanting Tiny Electrodes to the Deaf

...ements and dramatically reduced interference among electrodes when they are stimulated simultaneously, Middlebrooks says. Middlebrooks has talked with U-M surgeons in otolaryngology about surgical approaches in humans, and is working with U-M biomedical engineers on an intraneural device that can remain in pl...

Deflecting Damage: Flexible Electronics Aid Brain Injury Research

...icate injuries in the lab without destroying// the electrodes that monitor how brain cells respond to physical t...rly functioning neurons can now be assessed by the electrodes in the stretchable membranes. After brain cells have been placed on the flexible surface and allowed...

The Science of Happiness

...nt Berridge of the University of Michigan that the electrodes actually kindled desire, rather than pleasure. The dopamine system was found to control desire while the opioid system, comprising of naturally occurring morphine- like compounds, encodes pleasure. Current research, through neuroimaging, has found...

Scent of a Rose may Give More Than Pleasure

... and memory. They were then sent off to sleep with electrodes connected to their heads. This was to track the various changes occurring in the brain while sleeping. The rose scents were continued in timed bursts, via fitted face masks during sleep. Several tests later the next day, it was seen that in almos...

Neurostimulation Therapy to ease cluster headaches

...the occipital nerve. This is done by implanting electrodes near the head and neck of the sufferers and giving them remotes to control the pulses. The conclusions were reached separate research groups That included neurologists from the National Hospital for Neurology and Neurosurgery, in London, with Uni...

Vagus Nerve and Diabetes

...atment-resistant depression already have implanted electrodes that stimulate the vagus nerve to help alleviate their symptoms. Semenkovich believes the new mouse study suggests a similar approach might help people with insulin resistance or hypertension. "We used surgery to interrupt all signaling from the va...

Chain-Smokers can Kick the Habit –A ‘brainy’ Iea

... technique called deep brain stimulation, in which electrodes are implanted in the brain to switch off particular areas, has already been used successfully to treat Parkinson’s disease and depression. Such treatments, however, will require much more research into exactly how the insula affects smoking and oth...

New Ideas on Developing Thought-Controlled Artificial Limbs

...em will certainly rebel if you place hard or sharp electrodes into it to record signals. However, the nervous system can be tricked to accept an interface letting it do what it likes - assimilating new nerve cells into its own network." To develop the next generation of prosthetics the idea is to use region...

Paying Attention Sets Off Symphony of Cell Synchronization

... Each participant in the study wore a cap with 64 electrodes to record their brain waves. The brain waves fluctuated in sync with flickering stimuli that appeared on a computer screen. At any given time, two target patterns were shown, but subjects were told to pay attention to one and ignore the other. Someti...

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