Figure 8.

Population average rate-based responses to AM level in A1 (A and C) and ML (B and D). Blue lines indicate responses during Attend BW context, yellow lines indicate responses during Attend AM condition. A: AM encoding (ROCa) in A1. Here, we include only cells that were significant AM encoders (n = 38 increasing, n = 6 decreasing cells). B: AM encoding (ROCa) in ML. Here, we include only cells that were significant AM encoders (n = 42 increasing, n = 5 decreasing cells). C and D: population average raw firing rate for all A1 (C, n = 92) and ML (D, n = 122). Each plot is separated by “increasing cells” (A1 n = 62, ML n = 89) and “decreasing cells” (A1 n = 30, ML n = 33). AM, amplitude modulation; A1, primary auditory cortex; BW, bandwidth; ML, middle lateral belt; ROCa, area under the receiver operating characteristic.