@article{oai:nagasaki-u.repo.nii.ac.jp:00021664, author = {Oshibuchi, Hidenobu}, issue = {1-4}, journal = {Acta medica Nagasakiensia}, month = {Mar}, note = {An experimental study was made with rabbits to see what factors participate and how they participate in the change of ultrasonic attenuation in the brain. The experiment was carried out by means of bilateral ligation of the jugular veins, auto-rebreathing of exhaled gas, blocking carotid blood flow and injection of physiological salt solution upon puncture of the posterior cistern, and relation of the change particularly of water content of the brain, cerebral blood flow and CSF pressure with the change of ultrasonic attenuation in the brain was studied. The conclusions obtained as follows. 1) The increase of ultrasonic attenuation in the brain is participated by either of the decrease of water content of the brain, the decrease of cerebral blood flow, or the increase of CSF pressure. 2) The decrease of ultrasonic attenuation in the brain is participated by either of the increase of water content of the brain, the increase of cerebral blood flow, or the decrease of CSF pressure., Acta medica Nagasakiensia. 1971, 15(1-4), p.26-48}, pages = {26--48}, title = {Experimental Study on Ultrasonic Attenuation in the Brain}, volume = {15}, year = {1971} }