... assess the opti-mal combination of amplifiers, loud speakers, number of firings (each click of the mouse of the computer pro-vided a single firing), their s ound intensity and the mode of their ... section. The dia-phragm of the speaker was 16 cm above the floor of the mice enclosure, so that the net volume of the exposurechamber was 9920 cm3.Miceinonegroup(n=10)received a single of injection ... dB in the furosemidegroup, again with no significant difference between them(two-tailed, p = 0.2). The results of these experiments (group, intensity andrise time of the impulse noise, the degree...