HOW RO WE KNOW THAT MASAYUKI SAEKI IS REALLY A VICTIM OF ALZHEIMERS DISEASE? x His behaviors cannot be viewed as the most important evidence for making such a judgment x Alzheimer's disease is characterised loss of neurons(神经元) and synapses(突触) in the cerebral cortex(脑皮层) and certain subcortical regions(皮层下区域). This loss results in gross atrophy(萎缩) of the affected regions, including degeneration in the temporal lobe(颞叶)and parietal lobe(顶骨叶), and parts of the frontal cortex(额叶) and cingulate gyrus(扣带回)HOW DO WE KNOW THAT MASAYUKI SAEKI IS REALLY A VICTIM OF ALZHEIMER'S DISEASE?  His behaviors cannot be viewed as the most important evidence for making such a judgment!  Alzheimer‘s disease is characterised by loss of neurons(神经元) and synapses（突触） in the cerebral cortex （脑皮层）and certain subcortical regions（皮层下区域）. This loss results in gross atrophy （萎缩）of the affected regions, including degeneration in the temporal lobe （颞叶）and parietal lobe （顶骨叶）, and parts of the frontal cortex (额叶) and cingulate gyrus (扣带回)