Table 1.

Parameter fits for the three tasks.

DOI: http://dx.doi.org/10.7554/eLife.17688.016

Task		RT Task				PDW	Confidence task
Subject		M1	S1	S2	S3	M2	S1	S2	S3
$\kappa$	drift rate	10.27	8.64	12.24	12.69	10.36	11.84	18.99	19.06
B0	bound parameter	1.96	1.26	1.47	1.97	2.23	NA	NA	NA
a	bound parameter	0.64	−2.17	−2.63	−2.97	NA	NA	NA	NA
d	bound parameter	−0.02	−0.26	−0.05	−0.23	NA	NA	NA	NA
${\mu }_{tnd}$	mean non-dec. time (s)	0.28	0.35	0.34	0.38	NA	NA	NA	NA
${\sigma }_{tnd}$	stdev non-dec. time (s)	0.06	0.04	0.02	0.001	NA	NA	NA	NA
$\varphi$	conf. separatrix	NA	NA	NA	NA	0.63	NA	NA	NA
$\beta$	noise scaling param.	1.10	0.69	2.21	2.19	1.55	RT	RT	RT
$\alpha$	noise scaling param.	0.34	0.10	0.33	0.47	0.56	RT	RT	RT
$\gamma$	noise scaling param.	0.40	2.31	2.98	2.29	0.57	RT	RT	RT

NA: not applicable; RT: values extracted from the fits to the RT task.