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FIG 2. Accuracy of subjects during the identify and order tasks. The identify task (control) resulted in near 100% accuracy irrespective of stimulus type. Subjects were less accurate when ordering letters compared with ordering numbers and shapes. IFL indicates identify far letters; INL, identify near letters; IFN, identify far numbers; INN, identify near numbers; IFS, identify far shapes; INS, identify near shapes; OFL, order far letters; ONL, order near letters; OFN, order far numbers; ONN, order near numbers; OFS, order far shapes; and ONS, order near shapes.
