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Figure 4: ASSR amplitude as a function of stimulation level for 500 Hz. Each graph refers to a subject. Unoccluded condition results are represented by the lines with “▲” markers and occluded condition results by the lines with “▪” markers. The dotted straight lines are obtained from linear least-squares regressions for each condition. Attenuation values and their standard deviations, indicated on each graphs, have been calculated from the mean difference between the two lines

Figure 4: ASSR amplitude as a function of stimulation level for 500 Hz. Each graph refers to a subject. Unoccluded condition results are represented by the lines with “▲” markers and occluded condition results by the lines with “▪” markers. The dotted straight lines are obtained from linear least-squares regressions for each condition. Attenuation values and their standard deviations, indicated on each graphs, have been calculated from the mean difference between the two lines