“…Moreover, the actual effect of the congestive process on cerebral hemodyinamics and mnetabolism regardless of mental state, has been the subject of considerable controversy. [2][3][4] Recently published data from this laboratory5 indicate that cerebral blood flow is indeed moderately diminished in alert persons with severe congestive failure. The The possibility of cerebral arteriosclerosis could not be completely excluded on clinical grounds, but none of the subjects bad bad previous cerebral infaretions; moreover, significant obliterative disease of the cerebral vessels was later excluded in all of the subjects on whom a postmortem examination was performed.…”