brain atrophy

alzheimer anatomy atrophy brain cancer carcinoma cerebral cerebrovascular cerebrum cognitive condition cranial dementia disease disorder fibroblastic generated head health hemangiomas hematoma hemorrhagic human hypodense illness illustration intracerebral lesion lobe loss mass medical medicine memory meningioma mental neurodegeneration neurology neuron neurosurgery old papillary psychology radiography reduction science shrinkage size skull space stroke therapy thinking treatment tumor