In 2005, just as the deep
brain stimulation patient was making his first forays into awareness, the fate of Terri Schiavo, a Florida woman who had been in a vegetative state since 1990, sparked an ideological war.
Not exact matches
Among 22
patients, the researchers found enhanced memory performance in the four
patients with
stimulation of the lateral temporal cortex but not among those with the other
brain regions stimulated.
Ang and co-workers, in collaboration with researchers across Singapore and in Australia, wanted to investigate whether
patients could get better at using a BCI if their
brain was first subjected to transcranial direct current
stimulation (tDCS)-- the application of an external electric current to the skull.
Patients recalled more words from a previously viewed list when low - amplitude electrical
stimulation was delivered to the
brain.
To answer these questions, a team of MUSC investigators led by stroke neurologist and physician - scientist Wayne Feng, M.D., MS, attempted something that has never before been tried — they directly measured tDCS - generated EFs in vivo using deep
brain stimulation (DBS) electrodes that were already implanted in
patients with Parkinson's disease.
According to Dr. Tsai, growing evidence shows the efficacy of deep
brain stimulation in
patients with neuropsychiatric diseases.
These tools will advance fundamental
brain research and potentially lead to «deep
brain stimulation» treatments used for Alzheimer's and Parkinson's
patients.
These
brain abnormalities mediated the increased unpleasantness to visual, auditory and tactile
stimulation that
patients reported to experience in daily life.
«Correct connections are crucial: Individualizing deep
brain stimulation in
patients with Parkinson's disease.»
The researchers are planning to conduct further studies to develop a
patient - specific, «made - to - measure» method of
brain stimulation.
A University of Illinois at Chicago researcher will test whether
brain stimulation combined with gait training can improve
patients» ability to walk after a stroke, under a $ 1.5 million grant from the National Institute of Child Health and Human Development.
He led a 2007 study in which a minimally conscious
patient (a person who shows occasional intention, attention, awareness, and responsiveness) improved somewhat with deep
brain stimulation of the thalamus..
Devices implanted in the
brain as neural prosthesis for therapeutic
brain stimulation technologies and interfaces for sensory and motor devices, such as artificial limbs, are an important goal for improving quality of life for
patients.
Scientists enrolled
patients with Parkinson's disease who were scheduled to have deep
brain stimulation (DBS) surgery, a commonly used procedure that involves placing electrodes into the
brain.
1987 In the first reported therapeutic use of high - frequency deep -
brain stimulation (DBS), French doctors implanted electrodes in a
patient's
brain to send impulses to a region associated with Parkinson's disease.
The researchers found that
patients treated with deep
brain stimulation survived an average of 6.3 years after the surgery, versus 5.7 years for the non-DBS
patients after the date they might have gotten surgery based on their match to a surgery
patient — a difference of eight months.
If doctors knew how the
brain structure of a
patient will change and reorganize during treatment, they could determine the ideal times for phases of
stimulation and rest, thus improving treatment efficiency.
While the results suggest that deep
brain stimulation could improve survival rates for
patients with Parkinson's disease, the researchers note a few limitations to the study.
Deep
brain stimulation (DBS) has become a well - recognized non-pharmacologic treatment that improves motor symptoms of
patients with early and advanced Parkinson's disease.
The guidelines provide parameters regarding when clinicians should consider the possibility of ventriculitis (inflammation of the ventricles in the
brain) or meningitis (inflammation of the lining of the
brain or spinal cord) in
patients who have cerebrospinal fluid shunts and drains (devices placed in the
brain to relieve pressure due to fluid buildup), intrathecal drug pumps (for administration of pain medicine or other drugs into the spinal canal), deep
brain stimulation hardware (medical devices that provide electrostimulation in the
brain to treat Parkinson's disease or other neurological symptoms) or who have undergone neurosurgery or suffered from head trauma.
In humans, this region could be a target for bringing some
brain injury patients out of a comatose state via electrical stimulation, says lead author Nigel Pedersen, MD, assistant professor of neurology at Emory University School of Medicine and an epilepsy specialist at Emory Brain Health Ce
brain injury
patients out of a comatose state via electrical
stimulation, says lead author Nigel Pedersen, MD, assistant professor of neurology at Emory University School of Medicine and an epilepsy specialist at Emory
Brain Health Ce
Brain Health Center.
«Deep
brain stimulation: A new treatment approach in
patients with multiple sclerosis.»
In addition, their study with a small group of 20
patients with PD demonstrated that
stimulation of the cortex of the
brain using external electrodes corrected some of the distortion and temporarily improved some
patients» motor symptoms.
Guessing that the reduced ability to control force in
patients with PD was related to decreased dopamine — which makes it harder to «recruit» neurons for a particular task — the researchers devised a
brain stimulation experiment to further test their hypothesis.
The
patients agreed to undergo several minutes of deep
brain stimulation to these regions during surgery as the electrode was being implanted.
For more severe cases, some
patients turn to invasive, and therefore riskier, approaches such as deep
brain stimulation and vagal nerve
stimulation.
«Complication risk of deep
brain stimulation similar for older, younger Parkinson
patients.»
Dr. Deisseroth is the D.H. Chen Professor in the Bioengineering and Psychiatry Departments at Stanford University, and is a practicing inpatient and outpatient psychiatrist, employing medications and interventional
brain stimulation techniques (VNS, TMS, and others) to treat
patients with psychiatric disease.
Spectrum Health is the first health system in Michigan and among the first in the nation to successfully implant a recently FDA - approved device that uses electric
stimulation of the
brain to treat adult epilepsy
patients whose seizures have not responded to medication.
«We measured the electrical activity of groups of nerve cells within the subthalamic nucleus in
patients with Parkinson's disease, who had recently been treated with deep
brain stimulation.
To give these
patients another in - home option, Johns Hopkins graduate students have invented a headband - shaped device to deliver noninvasive
brain stimulation to help tamp down the symptoms.
One of the Johns Hopkins student inventors demonstrates how the noninvasive
brain stimulation prototype would fit on a Parkinson's
patient's head.
For
patients in advanced stages, one treatment option is deep
brain stimulation.
A doctor examines C.T. scans from a
patient before performing deep
brain stimulation surgery to alleviate tremors.
To augment speech and language therapy, the traditional treatment for
patients with primary progressive aphasia, Hillis is also studying the use of transcranial direct current
stimulation of the
brain's interior front gyrus.
Patients already are being treated with some success by deep -
brain electrical
stimulation of nerve cells.
The study, published in PLOS Computational Biology, provides a
patient specific approach to tuning parameters that may dramatically improve efficacy of deep
brain stimulation.
The study looked at how safe deep
brain stimulation was for
patients with anorexia, and how it affected their BMI, mood, anxiety and wellbeing.
For years, deep -
brain stimulation — in which a neurosurgeon drills a hole in the skull and inserts an electrode far into a
patient's
brain tissue — was considered a radical treatment, reserved for the most severe cases of Parkinson's disease.
Deep
brain stimulation might alter the
brain circuits that drive anorexia nervosa symptoms and help improve
patients» mental and physical health, according to a small study published in The Lancet Psychiatry.
Parkinson's
patients may be somewhat lacking in this respect and therefore eat less and lose weight, whereas the weight gain exhibited after deep
brain stimulation seems to point to an increase in pleasure and motivation associated with food.
The study — conducted in collaboration with the Santa Maria della Misericordia University Hospital in Udine, under the leadership of Raffella Rumiati, in charge of SISSA neuroscience and society lab — has involved 18 Parkinsonian
patients who underwent deep
brain stimulation and 18 healthy volunteers.
Patients affected by Parkinson's disease often show marked changes in body weight: they may gain or lose a lot of weight depending on the stage of the disease, or they may put on up to ten kilos after deep
brain stimulation (a treatment to alleviate the symptoms).
This method therefore provides a
patient specific approach to tuning parameters that may dramatically improve efficacy of deep
brain stimulation.
As next steps, Dr. Meltzer will use these findings to explore targeted
brain stimulation that could boost the short - term memory of stroke
patients.
«Deep
brain stimulation for
patients with chronic anorexia is safe and might improve symptoms.»
«
Patient - specific approach may improve deep
brain stimulation used to treat Parkinson's.»
All
patients underwent deep
brain stimulation, which involves implanting electrodes and stimulating areas of the
brain that control dysfunctional behaviours.
However, as early as 2002, Olaf Blanke and others induced OBEs by focal electrical
stimulation of the
brain's right angular gyrus in a
patient undergoing treatment for epilepsy (Nature, vol 419, p 269).
At UCSF Rao has pioneered the use of an implanted
brain stimulation device that can quickly halt seizures by precisely stimulating a
patient's
brain as a seizure begins.