February 25th, 2010 by Medgadget in Better Health Network, News, Research
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From RIKEN Research:
Scientists from RIKEN Brain Science Institute in Wako, Japan and the Institute of Neurology at University College London have discovered that the brains of macaque monkeys undergo significant development when they are taught how to use tools. This finding may imply that our advanced human brains got as big and powerful as they did thanks to using tools, rather than the other way around.
The researchers used a technique called voxel-based morphometry (VBM) to classify areas of brain tissue in their MRI images as grey matter, white matter, or cerebro-spinal fluid, and to compare the volume of each tissue at different stages of learning. Read more »
*This blog post was originally published at Medgadget*
February 19th, 2010 by Medgadget in Better Health Network, News, Research
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Have Caltech scientists discovered an area of the brain evolved since the development of currency? The headline effectively suggests that, but the truth is probably a bit more nuanced.
The research team responsible for these findings consists of Benedetto de Martino, a Caltech visiting researcher from University College London and first author on the study, along with Caltech scientists Colin Camerer, the Robert Kirby Professor of Behavioral Economics, and Ralph Adolphs, the Bren Professor of Psychology and Neuroscience and professor of biology.
The study involved an examination of two patients whose amygdalae had been destroyed due to a very rare genetic disease; those patients, along with individuals without amygdala damage, volunteered to participate in a simple experimental economics task. Read more »
*This blog post was originally published at Medgadget*
February 5th, 2010 by JessicaBerthold in Better Health Network, News
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A recent JHM study found that hospital staff often don’t recognize cognitive impairment in patients age 65 and older. This was especially true for patients on the younger end of the spectrum, and those with more comorbidity.
Of the 424 patients (43%) in the study who were cognitively impaired, 61% weren’t recognized as such by ICD-9 coding. Interestingly, there was no significant difference between patients with documented and undocumented cognitive impairment as far as mortality, length of stay, home discharge, readmission rates, incidence of delirium, or receipt of anticholinergics. One troubling finding: a significant number of patients with cognitive impairment received anticholinergic medication, even though it’s not recommended for patients with any type of CI. Read more »
*This blog post was originally published at ACP Hospitalist*
January 31st, 2010 by GruntDoc in Better Health Network, News, Quackery Exposed
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Oh, good. Everything’s under control. The Scientologists are there.
Amid the mass of aid agencies piling in to help Haiti quake victims is a batch of Church of Scientology “volunteer ministers”, claiming to use the power of touch to reconnect nervous systems….
Some doctors at the hospital are skeptical. One US doctor, who asked not to be named, snorted: “I didn’t know touching could heal gangrene.” Read more »
*This blog post was originally published at GruntDoc*
January 28th, 2010 by Medgadget in Uncategorized
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To the delight of video game enthusiasts, a new study coming out of MIT has discovered a relationship between the size of certain structures in the brain and the ability to perform in video games. The researchers analyzed the size of specific brain regions of the participants using high-resolution MRI. They then had participants play Space Fortress, (pictured) a game that makes Asteroids look like a technological marvel.
Here is more from the press release:
Half of the study participants were asked to focus on maximizing their overall score in a video game while paying equal attention to the various components of the game. The other participants had to periodically shift priorities, improving their skills in one area for a period of time while also maximizing their success at the other tasks. The latter approach, called “variable priority training,” encourages the kind of flexibility in decision-making that is commonly required in daily life, according to Kramer. Read more »
*This blog post was originally published at Medgadget*
