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. Author manuscript; available in PMC: 2021 Aug 22.
Published in final edited form as: Nat Neurosci. 2021 Feb 22;24(3):412–424. doi: 10.1038/s41593-021-00798-5

Fig. 1 |. Task structure.

Fig. 1 |

a, Mean hand paths for all single reach conditions and a subset of compound reach conditions. Left panel: single reaches. Middle panel: three compound reaches that began with a reach to the bottom-right target. Right panel: three compound reaches that began with a reach to the bottom-left target. b, Trial timing. All conditions employed a variable instructed delay period. Delayed double-reaches employed an instructed pause between reaches, the duration of which was indicated during the initial instructed delay. Compound reaches had no instructed pause and monkeys reached for the second target immediately after the first was touched. c, Mean hand speed for all single reach (black) and compound reach (grey) conditions. Traces are grouped according to the location of the first target. Every target location served as the first target for at least one compound reach condition; some were used for three. Averages were calculated across all trials and recording sessions. Data are for monkey B. Circles indicate the time of reach onset. d, Same as c but for Monkey H. Every target location served as the first target for two or three compound reach conditions.