Experimental trials and the corresponding stimuli.

<p>Experimental trials and the corresponding stimuli.</p

The topographical maps of the condition effect for symbolic fractions.

<p>The topographical maps of the condition effect for symbolic fractions.</p

The topographical maps of the distance effect for both common and decimal fractions.

<p>The topographical maps of the distance effect for both common and decimal fractions.</p

The grand average ERPs of non-symbolic fractions in the common and decimal fraction conditions.

<p>The grand average ERPs of non-symbolic fractions in the common and decimal fraction conditions.</p

The mean RTs and accuracy of all participants as a function of numerical notation and distance.

<p>The mean RTs and accuracy of all participants as a function of numerical notation and distance.</p

The grand average ERPs evoked by symbolic fractions in the common and decimal fraction conditions.

<p>The grand average ERPs evoked by symbolic fractions in the common and decimal fraction conditions.</p

Topography of changes in the distance effect across the three tests administered during the three training sessions.

<p>The distance effect (far distance – close distance) over the time windows of 250–310 ms and 310–380 ms for the ML and OL groups.</p

The nine Gibson figures.

<p>The nine Gibson figures.</p

Task design of the pre- and post-training test.

<p>Task design of the pre- and post-training test.</p

Task design of the test unit.

<p>Task design of the test unit.</p