Sensitivity of cortical auditory evoked potential detection for hearing-impaired infants in response to short speech sounds.

Regression analysis on all data points found a weak, but highly significant, positive relationship between sensation level and P1 amplitude ( r =0.41) [ r 2 =0.17, F(1.90)=18.6, P=0.00004, intercept=2.79 μV, slope=0.09 μV/dB].

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Although the number of data points is quite low for all four studies, the curves still show an increasing trend when the sensation level rises.

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