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2 posts from May 2007

23 May 2007

Cerebral Malaria, a Wily Foe (Cerebrum - May 2007)

Cerebrumhead A piece on recent strides in cerebral malaria research, "Cerebral Malaria, a Wily Foe" appears in the online Dana Foundation journal, Cerebrum. 


Halima, a three-year-old girl, was brought to the hospital in Kenya after running a fever for almost two days.  At first, the fever seemed nothing to be particularly concerned about, so Halima’s mother gave her paracetamol (acetaminophen) to bring down her temperature and left her in the care of an older sister while she went out to work on the farm. But when she returned a few hours later, she was unable to wake her child. She shook her gently and Halima’s eyes opened, but the girl stared blankly ahead, unable to make eye contact.  Her sister told their mother that Halima had had a convulsion earlier, her arms and legs jerking uncontrollably for several minutes before her body went limp. It was then that the mother began the arduous four-hour trek to the hospital for treatment...

(To read the rest of the article, click here).

09 May 2007

A brain at rest tends to motion (BrainWork - May 2007)

Cvr_sm_brainworkAn article about the "default network," or resting states of the brain is up in the May 2007 issue of BrainWork. 


What is the brain doing when it is being asked to do nothing in particular?

During the past five years, Marcus Raichle and his team at the Washington University School of Medicine in St. Louis have looked at that question. While working on other neuroimaging studies, Raichle noticed an interesting trend in brain activation when experimental participants began a cognitive task...

(To read the rest of the article, click here).