When too much visual stimuli is present, the phenomenon of clutter is known to degrade an individual's perception across a variety of domains, ranging from completing search tasks incorrectly, to decreasing reading speed when letters are too close together. However, research is lacking as to whether the negative effects of clutter impact learning…

Purpose: Multiple factors impact reading acquisition in individuals with reading disability, including genetic disorders such as Williams syndrome (WS). Despite a relative strength in oral language, individuals with WS usually have an intellectual disability and tend to display deficits in areas associated with reading. There is substantial…

The goal of the study was to examine the association between visual-attentional span and lexical decision in skilled adult readers. In the span tasks, an array of letters was presented briefly and recognition or production of a single cued letter (partial span) or production of all letters (whole span) was required. Independently of letter…

Consistent with long-standing findings from behavioral studies, neuroimaging investigations have identified a region of the inferior temporal cortex that, in adults, shows greater face selectivity in the right than left hemisphere and, conversely, a region that shows greater word selectivity in the left than right hemisphere. What has not been…

Participants report briefly-presented words more accurately when two copies are presented, one in the left visual field (LVF) and another in the right visual field (RVF), than when only a single copy is presented. This effect is known as the "redundant bilateral advantage" and has been interpreted as evidence for interhemispheric cooperation. We…

Purpose: To study the role of visual perception of phonemes in visual perception of sentences and words among normal-hearing individuals. Method: Twenty-four normal-hearing adults identified consonants, words, and sentences, spoken by either a human or a synthetic talker. The synthetic talker was programmed with identical parameters within phoneme…

This preliminary study examined effects of word visibility and prime association factors on visual spoken word recognition in lipreading, using a related/unrelated prime-target paradigm with 20 hearing adults. In related prime-target pairings, more targets with a high than low prime association were identified. In unrelated prime-target pairings,…

This study compared visual word recognition (speechreading) in video sequences showing either full face or lips plus mandible to 26 normal hearing college students and 4 adults with bilateral sensorineural hearing loss. Percent phoneme correct scores were similar in the two conditions and scores significantly improved for the repeated measure in…

This annotated bibliography on visual perception and its relation to reading is composed of 55 citations ranging in date from 1952 to 1965. Its divisions include Perception of Shape by Young Children, Perception of Words by Children, Perception in Backward Readers, and Perception of Shapes, Letters, and Words by Adults. Listings which include…

This experiment was designed to test the hypothesis that subjects must know the length of the viewing matter they will be scanning before the target is presented in order to scan efficiently. Adult subjects were required to scan visually for a predetermined item. Targets were one, two, or four letters in length and the pairs of slides shown on…

To determine the developmental level at which letter processing skills become automatic, an experiment was conducted using a variant of the visual search task. Subjects in grades one, two, and three and in college searched for target letters displayed on a cathode ray tube along with either visually confusable letters, acoustically confusable…

The occurance of aphasia in adults and children is discussed along with therapeutic measures. An orientation of what aphasia is and the problems it presents for adults is followed by a statement of present methods of retraining. Consideration is given to an evaluation of defects, attitudes and techniques in retraining, group therapy, and…