If you find it hard to keep up with Facebook, LinkedIn, and other social networks, spare a thought for the brain. With 100 to 500 trillion synaptic connections, the human brain dwarfs all of them. How do those connections work to formulate thought, recall
In this series, ARF takes stock of deep-brain stimulation after more than a decade of life-altering procedures, In deep brain stimulation, surgeons implant wires into the brain and hook them up to a pacemaker-like stimulator implanted in the chest, which
The endocytic receptor SORL1 has come to fruition both literally and figuratively. An interactive diagram of the 2,214 amino acid behemoth—filled with findings about hundreds of rare variants—is live for viewing on the Alzforum Mutations database. A handf
Alzforum readers might be forgiven for thinking all microglia do is act prominently, if mysteriously, in Alzheimer's pathogenesis. Not so. A recent flurry of papers shows that microglia can match themselves specifically to GABA synapses. They can rev
For families with autosomal-dominant neurological conditions, the fear of passing on the disease to their children looms large. Now, people at this highest genetic risk can ensure that they have healthy children by undergoing in vitro fertilization follow
As populations age worldwide and the number of people with dementia is set to soar over the next few decades, a crisis in eldercare looms. At the same time, the use of personal technology—smartphones, tablets, wearable monitors—is exploding. Can technolog
A contentious hypothesis about where and how Parkinson’s disease starts off is gaining ground as new studies provide clues in its support. Neuroanatomists Heiko Braak and Kelly Del Tredici, both at the University of Ulm in Germany, have described the dist
With the holidays upon us, are your nerves fraying under the combined pressures of work deadlines, shopping, decorating, and entertaining? Now may be a good time to sit back and consider the effects of stress on the brain. Stress per se is not a cause of
The rarest kind of Alzheimer's disease, the form that is inherited from parent to child with a cruel 50 percent likelihood, has long been marked by its untapped opportunities. Affected families have made possible both the discovery of the first three
If you listen to National Public Radio, watch TV, or surf the Web, chances are you have come across commercials enticing you to “improve your memory” and “unlock your inner genius” with “brain training developed by neuroscientists.” In search of solid ev
When the first human genome sequence was finished in 2003, it quickly became clear that its seemingly unending stream of letters was not enough to comprehend what makes people tick. All the moving parts that bring the DNA code to life needed to be underst
A $40 million multicenter biomarker study for Parkinson disease progression is off and running, with enrollment underway at 10 of 18 sites in the U.S. and Europe. In design and operation, the Parkinson's Progression Markers Initiative (PPMI) follow
The Alzheimer's Disease Neuroimaging Initiative is the most expensive AD study the NIH has ever funded. Expectations are that it will speak with the authoritative voice of a 58-center, three-year observation of 819 research participants above a curre