Grand-averaged ERP topographies of the N170 and P300 components in each condition.

<p>Grand-averaged ERP topographies of the N170 and P300 components in each condition.</p

Schematic illustration of the experimental procedure.

<p>Schematic illustration of the experimental procedure.</p

Mean and range of trial numbers after artifact rejection in each condition.

<p>Mean and range of trial numbers after artifact rejection in each condition.</p

Grand-averaged ERPs recorded at CPz, Pz and POz in response to Caucasian and Chinese faces for predictable and unpredictable conditions.

<p>Grand-averaged ERPs recorded at CPz, Pz and POz in response to Caucasian and Chinese faces for predictable and unpredictable conditions.</p

Grand-averaged event-related brain potentials (ERPs) recorded at P7, P8, PO7 and PO8 in response to Caucasian and Chinese faces for predictable and unpredictable conditions.

<p>Grand-averaged event-related brain potentials (ERPs) recorded at P7, P8, PO7 and PO8 in response to Caucasian and Chinese faces for predictable and unpredictable conditions.</p