Black 0 0 0 Blue 0 0 255 Gray 128 128 128 Purple 180 100 255 Orange 255 200 0 4020009 Black Small Square 2-Back - Control, Patients 4020014 Blue Large Circle Letter 1Back - 0Back Letter 2Back - 0Back 2Back - 0Back, Letter - Fractal Letter 2Back - 1Back 30445 Gray Cross Korean Words vs. English Words English Words - Control Korean Words - Control Conjunction, English Words and Simple Pictures Conjunction, Korean Words and Simple Pictures Conjunction, English Words and Korean Words Korean Words vs. Simple Pictures English Words vs. Simple Pictures English Words vs. Korean Words 30014 Purple Triangle Odor Working Memory - Baseline Conjunction Analysis 30381 Orange Diamond 30448 Orange Large Square Letters and Shapes Interactions Locations > Letters Locations and Letters Interactions Locations > Shapes Shapes and Locations Interactions Letters > Shapes