Shrinkage means the process of something becoming smaller, shorter, or reduced in size, often referring to the decrease in the amount or quantity of something. Full definition
The results also fit with our earlier finding that raised tHcy predicts the rate of shrinkage of the medial temporal lobe in patients with Alzheimer's disease [12]. (journals.plos.org)
And in a September study in the journal PLoS One, University of Oxford scientists found vitamin B12 supplements slowed the rate of brain shrinkage in older adults with mild cognitive impairment, a precursor to Alzheimer's disease. (livescience.com)
Alzheimer's disease can be diagnosed at a glance from brain shrinkage of about 10 percent. (discovermagazine.com)