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. 2023 Feb 13;12:e67711. doi: 10.7554/eLife.67711

Table 4. Estimated parameters for the diffusion decision model (DDM).

Parameter Symbol DDM
Drift rate (high coherence) νh 6.34
Drift rate (low coherence) νl 3.5
Bound (high-coherence blocked) ah 0.17
Bound (low-coherence blocked) al 0.18
Bound (interleaved) ai 0.16
Starting point bias (high-coherence blocked) zb_h 0.12
Starting point bias (low-coherence blocked) zb_l 0.1
Starting point bias (interleaved) zb_i 0.11
Nondecision time (high-coherence blocked) (ms) Ter_h 0.27
Nondecision time (low-coherence blocked) (ms) Ter_l 0.3
Nondecision time (interleaved) (ms) Ter_i 0.31
Starting point variability sz 0.09
Nondecision time variability st 0.13
Drift-rate variability η 6.39