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. 2025 Jan 20;31(1):96–104. doi: 10.1038/s41591-024-03341-8

Extended Data Fig. 4. Distribution of finger distances.

Extended Data Fig. 4

For the 2D and 4D task with 2 new targets/trial (in Fig. 1e), the distribution of distances for successful trials for the (a) 2D decoder and (b) 4D decoder. The histogram is normalized so that the area under the curve equals 1. In a, the green curve represents the distance for index-middle (IM) finger and ring-little (RL) finger flexion/extension combined over all trials for the 2D decoder and task trials in Fig. 1e. In b, the green curve represents combined IM finger and RL finger flexion/extension distances, and the orange curve represents the 2D distance for the thumb (combining the 2D components of flexion/extension and abduction/adduction) for trials using the 4D decoder and task in Fig. 1e. a.u., arbitrary units; DOF, degree of freedom; PDF, probability distribution function.