Abstract
Variations in visual abilities are widespread in the adult population and have profound effects on processing linguistic stimuli (text, words, letters). However, a review of articles (1442) investigating the processing of visually presented linguistic stimuli by non-clinical adult participants, published in 2000 – 2010 in five leading journals (Journal of Experimental Psychology: Human Perception and Performance; Journal of Experimental Psychology: Learning, Memory, and Cognition; Memory & Cognition; Perception & Psychophysics/Attention, Perception, & Psychophysics; and Perception), showed that the majority of articles (73.5%) made no mention of participants' visual abilities (62.1%) or relied merely on participants' self-report (11.4%). 25.2% reported participants' visual abilities with no assessment, and only 1.2% reported participants' visual abilities following objective assessment; the highest percentage of articles within this laudable minority was in Perception. The indications are that objective visual assessments in studies of visually presented linguistic stimuli are rare and greater use would facilitate better understanding of the visuo-cognitive processes involved.
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