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. 2015 Dec 21;17(2):89–101. doi: 10.1007/s10162-015-0550-8

TABLE 2.

Pre-carboplatin treatment critical ratios in decibels, as a function of frequency, for the present study relative to previous reports

Critical ratio (dB) 500 Hz 1000 Hz 2000 Hz 4000 Hz
Present study (shock avoidance) 25 26 30 31
Niemiec 1992 (positive reinforcement) 29 26 30 33
Seaton and Trahiotis 1975 (shock avoidance) 16 19 25 31
Miller 1970 (shock avoidance) 22 23 27 30

Results were similar to those reported by Miller (1970) and Niemec (1991)