<b>Durations used in each study providing a direct comparison of retrospective vs. prospective paradigms.</b>

<p>**Each participant made three consecutive tasks of 8 min, 8 min and 24 min and estimated time (prospectively or retrospectively) only at the end of all three tasks.</p

Ratio's mean and standard error for each task and for each paradigm.

<p>Ratio's mean and standard error for each task and for each paradigm.</p

Weber Fraction's mean and standard error for each task and for each paradigm.

<p>Weber Fraction's mean and standard error for each task and for each paradigm.</p

Mean estimated to target duration ratio for each target duration condition (12, 35 and 58 minutes) with each paradigm (prospective and retrospective).

<p>Bars represent standard error.</p

Number of males and females in each condition.

<p>Number of males and females in each condition.</p

Mean absolute standardized error for each target duration condition (12, 35 and 58 minutes) with each paradigm (prospective and retrospective).

<p>Bars represent standard error.</p

Mean Weber Fraction for each target duration condition (12, 35 and 58 minutes) with each paradigm (prospective and retrospective).

<p>Bars represent standard error.</p

Absolute standardized error's mean and standard error for each task and for each paradigm.

<p>Absolute standardized error's mean and standard error for each task and for each paradigm.</p

Mean CNV amplitude.

<p>Mean amplitude recorded during AA, AV, VA and AA intervals at fronto-central (F3, F4, Fz, FCz, C3, C4, Cz) (A) and parietal (P3, P4, Pz) (B) sites. Bars are standard errors.</p

Discrimination levels.

<p>Percentage of correct responses obtained for the AA, AV, VA and VV intervals. Bars are standard errors.</p