Alzheimer’s Disease Spreads Through Linked Nerve Cells, Brain Imaging Studies Suggest, University of California, Los Angeles (UCLA) Reveals  
3/22/2012 7:25:55 AM

Alzheimer's disease and other forms of dementia may spread within nerve networks in the brain by moving directly between connected neurons, instead of in other ways proposed by scientists, such as by propagating in all directions, according to researchers who report the finding in the March 22 edition of the journal Neuron.