October 17, 2005 |
Heart device manufacturer St. Jude Medical Inc. said Sunday that it would buy Advanced Neuromodulation Systems Inc. for about $1.3 billion in cash to gain new products used to treat chronic pain and nervous-system disorders. St. Jude Medical, the No. 3 maker of implantable devices that regulate heart rhythms, would pay $61.25 for each share of ANS, a 30% premium over ANS' closing price Friday of $46.98. The acquisition would allow St. Jude to expand beyond the cardiac market into neurology.
July 7, 2005 |
Treating premature babies with nitric oxide gas improved their cognitive function at age 2 and lowered their risk of developing neurological complications such as cerebral palsy, according to a study published today in the New England Journal of Medicine. But a separate study concurrently published in the journal reported that the therapy did not help survival in a group of smaller and sicker premature babies and may have even worsened it in the sickest infants.
June 23, 2005 |
Whether drawn as a cartoon or disguised as Catwoman, the striking features of Halle Berry are readily recognized by movie fans. That recognition is achieved by a surprisingly small group of brain cells, an international team of researchers reports today in the journal Nature. Most researchers had thought that specific memories were spread out over large groups of brain cells, or neurons.
December 7, 2004 |
Harnessing the electrical echoes of thought, researchers have developed a way for people to control a computer cursor simply by thinking about it. The device, which so far has been tested successfully on four people, does not require implants, surgery or any other invasive medical procedure, the researchers reported Monday. Previous efforts required electrodes wired directly into brain cells.
September 22, 2004 |
Growing up in a stressful environment isn't conducive to becoming a well-adjusted adult. Studies have shown that people who faced constant stress during childhood have an increased risk of being depressed later. How are the two related? A study published this week by the journal Nature Neuroscience may have found a link. It reports that stress at a young age permanently alters the activity of a key gene in the brain, resulting in a lifetime of elevated levels of a hormone that contributes to depression.
April 19, 2004 |
As hospital maternity stays have grown shorter in recent years, the majority of babies have suffered no ill consequences from being released with their mothers 24 to 48 hours after delivery. However, about 5% of infants develop jaundice -- a condition that usually doesn't show up until several days after birth -- which requires hospital readmission. Now some pediatricians are urging changes in the diagnosis and treatment of jaundice in infants.
February 9, 2004 |
As far back as 1872, British naturalist Charles Darwin observed that people with brain injuries or illnesses were sometimes stricken with uncontrollable, and often inappropriate, outbursts of anger, laughter or grief. "Certain brain diseases ... have a special tendency to induce weeping," he wrote. Even in modern times, there have been no specific treatments for the mysterious problem, now called "pseudobulbar affect."
January 11, 2004 |
''You wouldn't want me to be late for the man who saved my life, would you?" My 13-year-old son, Eli, puckishly smiled, urging my wife, Laurette, and me into the car. Six years ago on a clear night in January, a compact fellow with confident hands had sliced out a tumor and a cyst--together the size of a tennis ball--from Eli's brain. Now, on a recent Saturday evening, we were heading for dinner with Jorge Antonio Lazareff, the UCLA pediatric neurosurgeon who had operated on Eli.
May 24, 2003 |
Buddhists really are happy, serene people -- at least according to their brain scans. Using new scanning techniques, neuroscientists have discovered that areas of the brain linked to good mood light up constantly in Buddhists, at times even when they are not meditating. Scientists at the University of Wisconsin at Madison studied activity in Buddhist practitioners' left prefrontal lobes -- the area of the brain linked to positive emotions, self-control and temperament.
May 13, 2003 |
The number of autism cases has nearly doubled in California in the last four years, and the rate of increase appears to be accelerating, according to a study by the state Department of Developmental Services. The report, scheduled to be released today, found that the number of people with autism who are receiving services from the department rose from 10,360 in December 1998 to 20,377 by the end of December 2002 -- a 97% increase.