Abstract
Six-letter nonsense arrays made up of the letters H N Z D W J were tachistoscopically exposed either to the right or left of fixation at four displacements to 20 Ss. Structurally similar letters (i.e., the H and N) tended to be recognized with greater difficulty than dissimilar items. Following certain ideas about scanning (Fudin, 1969), the possible effect of letter structure was investigated separately in the first half of targets (letters 1, 2, and 3) and in the last half. This effect was almost exclusively limited to the array-half at each displacement which, because of its position in the visual field, fell in an area of greater visual acuity. Further research concerning the influence of letter structure upon recognition whenever stimuli are briefly presented seems warranted.
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