… between brain responses to tasks requiring memory and the genetic risk of Alzheimer's
disease, … magnetic resonance imaging (MRI) of the brain in older persons with intact cognition. …

… This study examined group differences in brain activation but did not have the power to
assess individual contributions to these differences. It is important to note that each individual’s …

Alzheimer disease (AD) is a chronic neurological disease, frequently affecting cognitional
functions. Recently, a large body of neuro-imaging studies have aimed at finding reliable …

… with PIB and brain activation using fMRI in people with genetic risks for sporadic AD and
in older individuals provide supportive evidence that lifelong structural and functional brain …

… to a large Alzheimer’s disease population. However, we did find an effect on brain
activation in memory related areas in this specific Alzheimer’s disease cohort when performing …

… the control condition separately, we can observe the gradual increase in brain activation
as task difficulty increases. Increased fMRI activation in the left superior parietal lobule and …

… attenuated right hippocampal activation during retrieval tasks. … stronger activation of the
precuneus and reduced activation of … probably disease stage-dependent brain activation pattern …

… Alternatively, increased regional brain activation may be a marker of the pathophysiologic
process of AD itself, such as aberrant sprouting of cholinergic fibers [49] or inefficiency in …

… Studies of brain activation and the resting state have been informative in application to
fundamental questions of disease pathogenesis that are discussed in greater detail below. …

This study examined the functionality of the medial temporal lobe (MTL) and posterior cingulate
(PC) in mild cognitive impairment amnestic type (MCI), a syndrome that puts patients at …