Spectral correlates of the averaged auditory evoked response with simulated hematomas and increased Intracranial pressure

In this study, power spectral estimates of the auditory evoked potentials (AEP) and peak latencies were used to predtet Intracranial pressure. Data previously collected from 12 white New Zealand rabbits were used In the study. Descriptive parameters were extracted from power spectra of the AEP, and multiple recession analyses were performed to determine the relationship between ICP and AEP special parameters. Results yield recession models of either time domain parameters (peak latencies) or frequency domain parameters (spectra)that correlate with R-square values of 0.608 and 0.758, respectively, to ICP; however, a model based on combining time domain and frequency domain parameters was the better predictor.