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. 2021 Nov 24;22(23):12717. doi: 10.3390/ijms222312717

Figure 2.

Figure 2

Time−frequency maps on the left indicate relative power (dB) under the DA 3.0 condition for healthy individuals (A) and ACHM (C). Time−frequency maps on the right indicate relative power (dB) under the DA 10.0 condition for healthy individuals (B) and ACHM (D). The traces depicted on the right side of each map represent the ffERG signal. From top to bottom, these traces represent: the ffERG trace filtered at 150–200 Hz (individual traces in black and the group average in red), the group average ERG trace, and the ERG trace filtered at 50–100 Hz (individual traces in black and the group average in red). To be noted in both DA 3.0 and DA 10.0 conditions, there is a considerable reduction in the signal in the filtered ffERG trace (150–200 Hz) of achromats compared to healthy controls, which is also reflected in the average ffERG.