A study explored the phenomenon of space constancy or visual stability of stimulus patterns across saccades (a series of small jerky movements of the eye) by making changes in natural, full-color pictures during selected saccades as observers (18 members of the University of Illinois community) examined them for 20 seconds in preparation for a…

At some time during every fixation a decision is made to move the eyes, directing them to a new location in the stimulus array. To understand the eye movement control processes, three general hypotheses concerning the cognitive basis for deciding to move the eyes were investigated: the saccade (movement) initiation time is determined only on the…

Results from studies of language identification in noise and of word identification from tachistoscopic presentation clearly indicate that contextual information can be used to facilitate word identification under inadequate stimulus conditions. But these results do not provide strong evidence that such an interaction is occurring during normal…

Two experiments were conducted to test the hypothesis that visual information related to segmental versus prosodic aspects of speech is distributed differently on the face of the talker. Results indicate that information in the upper part of the talker's face is more critical for intonation pattern decisions than for decisions about word segments…

The research reviewed in this paper concerns the visual perceptual processes occurring as people are engaged in the act of reading. The issues that are examined include the control of eye movements, perception during a fixation, and perception across successive fixations. Consideration also is given to problems related to obtaining information…

A computer-based Eye-Movement Controlled Display System was developed for the study of perceptual processes in reading. Studies were conducted to identify the region from which skilled readers pick up various types of visual information during a fixation while reading. The results indicated that the subjects acquired word length pattern…

To investigate the relationship between the location of the words being read and the location of the eyes in the text, three experiments were conducted using the Disappearing Text Technique with college students. This was done by occasionally removing the text during reading and having the reader report the last word that had been read.…

Greater understanding of reading can come about only after more basic reading research has been accomplished. Basic research should focus on what constitutes good reading, which means that the type of research that will identify characteristics of good reading must be a detailed assessment of variable effects on reading behaviors (not whether…

While most present research suggests that visual information acquired from peripheral visual areas on one fixation during reading facilitates the identification of words available on the next fixation, some researchers hold with the "word unit hypothesis," which suggests that information gained peripherally from a word on one fixation…

In the study of perception during reading, the use of eye movement contingent control of the stimulus display has proved to be a useful research technique. With such a system, it is possible to experimentally manipulate, in real time, the characteristics of the stimulus display that is present on selected fixations as reading is in progress and to…

The application of computer technology to reading research has made it possible to study the perceptual processes that take place as people read with a level of precision never before attainable. This computer assisted research has revealed that where the eyes go for fixations is of significance to normal reading and that during each fixation only…

Research involving eye movement monitoring can help in understanding the nature of the mental processes involved in reading, how these develop as one learns to read, and what processing strategies or characteristics are more common in those children who fail to show normal progress in learning to read. First, eye movement records show that the…