The fogging effect.
D000368:Aged; D016477:Artifacts; D005260:Female; D006801:Humans; D020243:Infarction, Anterior Cerebral Artery / Q000175:diagnosis* / Q000473:pathology*; D020244:Infarction, Middle Cerebral Artery / Q000175:diagnosis* / Q000473:pathology*; D010291:Paresis; D014057:Tomography, X-Ray Computed