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06-30-2008, 08:17 AM
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In Remembrance
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FOR DECADES, THE PREVAILING DOGMA IN neuroscience was that the adult human brain is essentially immutable, hardwired, fixed in form and function, so that by the time we reach adulthood we are pretty much stuck with what we have. Yes, it can create (and lose) synapses, the connections between neurons that encode memories and learning. And it can suffer injury and degeneration. But this view held that if genes and development dictate that one cluster of neurons will process signals from the eye and another cluster will move the fingers of the right hand, then they’ll do that and nothing else until the day you die. There was good reason for lavishly illustrated brain books to show the function, size and location of the brain’s structures in permanent ink.
[...] But research in the past few years has overthrown the dogma. In its place has come the realization that the adult brain retains impressive powers of “neuroplasticity”–the ability to change its structure and function in response to experience. These aren’t minor tweaks either. Something as basic as the function of the visual or auditory cortex can change as a result of a person’s experience of becoming deaf or blind at a young age. Even when the brain suffers a trauma late in life, it can rezone itself like a city in a frenzy of urban renewal. If a stroke knocks out, say, the neighborhood of motor cortex that moves the right arm, a new technique called constraint-induced movement therapy can coax next-door regions to take over the function of the damaged area. The brain can be rewired. Don’t just sit there. Read this! This new way of thinking about the brain is already beginning to make waves among psychiatrists and psychotherapists. Your doctor is following this stuff and so should you. source from Time online
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with much love, lou_lou . . by . , on Flickr pd documentary - part 2 and 3 . . Resolve to be tender with the young, compassionate with the aged, sympathetic with the striving, and tolerant with the weak and the wrong. Sometime in your life you will have been all of these. |
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06-30-2008, 08:24 AM
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#2 | |||
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In Remembrance
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Constraint-Induced Movement Therapy
Excerpted from the article, "A Rehab Revolution," Stroke Connection Magazine, September/October 2004 Jump to 2006 Update Constraint-induced movement therapy (CI) forces the use of the affected side by restraining the unaffected side. With CI therapy, the therapist constrains the survivor’s unaffected arm in a sling. The survivor then uses his or her affected arm repetitively and intensively for two weeks. Dr. Edward Taub, a professor of psychology at the University of Alabama in Birmingham, developed CI therapy. He says that after a stroke, a survivor tries unsuccessfully to use the affected side. Their initial failure discourages them from using that side. Dr. Taub calls this “learned non-use.” After her stroke in 1999, Reva Baughman, 61, of La Crescenta, Calif., could hardly lift her left arm or move her fingers. This year, she underwent CI therapy at the Advanced Recovery Rehab Center in Sherman Oaks, Calif. Therapy lasted six hours a day, five days a week, for three weeks. Today she can raise her arm, hold a bottle steady in her hand and feed herself sandwiches and cookies with her left hand. “Before CI therapy, I did not even try to use my affected hand and arm,” she says. “Now I try new things every day with my left arm and hand. I have the impetus to try.” In order to use CI therapy, survivors need to be able to extend their wrists and move their arm and fingers. Numerous small studies show CI therapy improves movement on the affected side. A June 2000 study published in Stroke: Journal of the American Heart Association also showed that brain activity actually improves with the treatment. “This finding offers hope to researchers who believe it may be possible to stimulate or manipulate brain areas to take over lost functions, a process known as cortical reorganization,” says Dr. Taub. Currently, researchers are studying whether CI therapy improves arm and shoulder movement three-to-six months after stroke and if the gains last over a period of two years. At this time, medical insurance does not reimburse for CI therapy. It costs about $5,000 for two weeks of treatment. 2006 Update Constraint-induced movement therapy (CIMT) has really taken off in the past two years. Dr. Edwin Taub’s ideas of “learned non-use” and intensive use of the affected side have been at the forefront of a revolution in what it is possible for stroke survivors to recover. In 2004, Dr. Taub’s three principles of constraining the unaffected limb, forced use of the affected limb and massed practice showed great promise, but the protocol lacked placebo-controlled verification. Recently Dr. Taub, of the University of Alabama at Birmingham, led a team to do exactly that. Researchers studied survivors with mild to moderate motor impairment of an upper limb, an average of 4.5 years after stroke. Twenty-one survivors (average age 55) underwent Constraint-Induced Movement Therapy: six intensive hours a day for 10 consecutive weekdays. Twenty survivors (average age 51) had placebo therapy – a general fitness program of strength, balance and stamina training, games to provide cognitive challenges and relaxation exercises for six hours a day for 10 consecutive weekdays. CIMT patients showed “large to very large” improvements in the functional use of their affected arm in their daily lives. Scores on a motor activity log (MAL) in which survivors and caregivers noted how well and how much survivors used their impaired arm in daily living improved an average of 1.8 points for those undergoing CIMT. Those in the control group reported no change. In addition, CIMT patients were able to speed their completion of tasks in lab testing while the placebo patients were slower. At two-year follow-up, the CIMT group showed a large improvement in MAL scores compared to pre-treatment scores. Those in the placebo group displayed no significant changes. In 2004, few rehab facilities offered CIMT; today, CIMT is increasingly common because it has proven effective at improving survivors’ lives. http://www.strokeassociation.org/pre...tifier=3029931
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with much love, lou_lou . . by . , on Flickr pd documentary - part 2 and 3 . . Resolve to be tender with the young, compassionate with the aged, sympathetic with the striving, and tolerant with the weak and the wrong. Sometime in your life you will have been all of these. |
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06-30-2008, 10:33 AM
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#3 | ||
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Great stuff, Tena...I'm liking the brain plasticity theory, but I don't know, I sort of feel that making someone use the weak side more than the strong is kinda obvious...
http://health.usnews.com/usnews/heal...026/26book.htm This link I found interesting, about a theory that energy and health occur in wave-like or cyclical patterns, and a doctor that has been applying this to help people with PD and other chronic diseases. From a brief glance at some materials, the principal seems easy enuf to apply in various ways, and it might have some really significant results... |
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| "Thanks for this!" says: | lou_lou (06-30-2008) |
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The Big change of Mind -
constraint -induced movement therapy -where is it for PD?
Hybrid Mode
