Welcome to the forty-second edition of Brain Blogging. In this round, we discuss the profession of neurology, the transforming power of stroke, whether suicidal behaviors should make the DSM V, potential location of autism genes, and many more topics.

Remember, we review the latest blogs related to the brain and mind that go beyond the basic sciences into a more human and multidimensional perspective. If you were left out, just leave a comment with your relevant blog entry. You can check our archive for all previously published editions. Read more →

Stroke patients may have a new tool in their rehabilitation shed: a mirror. A study presented at the 6th World Stroke Congress in Vienna, Austria, in September 2008 suggests that adding mirror therapy to traditional rehabilitation programs may speed the recovery of stroke patients. Mirror therapy is used to treat phantom limb pain after amputation, but may now enhance the rehabilitation of hemiplegia after a stroke. Read more →

There is a rare neurological condition called alien limb syndrome in which a person has one or more limbs that will often move without conscious control. Little is known about the exact cause of this rare and interesting disorder. The person usually can have conscious control of the limb at times but not always. A classic manifestation of this syndrome is when the left arm, for example, will reach out and grab objects, fiddle with clothing or other body parts, or just move straight up or out and stay there. When asked by a neurologist to perform a specific action with the good arm, the alien arm may often hinder or impede the action of the good arm. The arm then often needs to be wrestled back to a resting position by the other arm. Read more →

George Huntington was the son and grandson of medical practitioners. He gave rise to a great interest in the origins of this disease which now bears his name.

At the age of 22, the year following his graduation from medical school at Columbia, George Huntington (1850-1916) made his contribution to medical research, publishing his report on a hereditary form of chorea in The Medical and Surgical Reporter in the April 13, 1872 issue. His publication became one of the classical descriptions of neurological disease. Read more →

A recent issue of the journal Neurology published two separate case-controlled studies that showed a decreased risk for Parkinson’s disease associated with both cholesterol-lowering medication and blood pressure-lowering medication.

A common class of cholesterol-lowering medications, HMG-CoA reductase inhibitors (also collectively called “statins”), includes the well-known and often-prescribed atorvastatin (Lipitor), simvastatin (Zocor), lovastatin (Altocor, Mevacor), and pravastatin (Pravachol). In the current study, each of these drugs, except pravastatin, was associated with a 60 to 70% decreased risk of Parkinson’s disease. Read more →

It has been known for years that babies in utero (womb) suffer ill effects from their mothers’ exposure to tobacco, drugs and alcohol. A new study funded by the National Institute on Drug Abuse and performed by Michael Rivkin of Children’s Hospital Boston showed that children exposed to these toxins may suffer effects well into early adolescence.

Using MRI technology, the study looked into the long term effects of prenatal exposure to drugs, alcohol, tobacco or a combination of the three on the brain structure of preteens. The study found that these kids have thinner cortical grey matter than subjects who did not suffer exposure to toxins in utero. This study also showed a reduction in brain volume directly tied to this exposure. Read more →