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. 2018 Jul;197:386–391. doi: 10.1016/j.schres.2017.12.018

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© 2018 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 3 — Drift-diffusion (A) and horse-race (B-D) representations of go responses. (A) Both groups showed the same decision threshold (a) and the same drift rate (v). But, higher precision of prior beliefs (z) caused the SZ group to accumulate less evidence. Therefore, the SZ group responded prematurely. The control group delayed responses, which was reflected in longer RT_go (gray horizontal bar) and longer SSD₅₀ (thin black horizontal bar, B). The SZ group responded prematurely (shorter RT_go and SSD_50, C). Therefore, they had difficulty withholding prepared responses (i.e., predictions) at longer SSDs (e.g., the SSD₅₀ of the control group) because the finishing time of the stop process was delayed (red horizontal bar)— relative to the finishing time of the go process (D). SSD_50-Control (SSD₅₀ of the control group), SSD_50-SZ (SSD₅₀ of the SZ group). Drift-diffusion (A) and horse-race (B-D).