3 types of material, letters, geometric forms, and outline drawings of familiar objects, were presented tachistoscopically to 32 Ss. In 1 series, the figures appeared successively in either the left or the right visual field; in a 2nd series, 2 figures appeared simultaneously, 1 in each field. In the simultaneous presentation condition, all types of material were more readily recognized in the left visual field, a phenomenon which appears related to order of report. With successive presentation, a right-field superiority, greatest for letters and least for geometric forms, was observed. It is suggested that the left-right differences in successive presentation increase with increasing stimulus familiarity. Emphasizing fixation instructions decreased overall accuracy and accentuated left-right differences in both presentation conditions. (PsycINFO Database Record (c) 2006 APA, all rights reserved)