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At least 55 records · Page 3Linked to original sources
PubMed1989

Parafoveal processing of words and saccade computation during eye fixations in reading.

Studied parafoveal word processing during eye fixations in reading to answer two questions: (a) Is the processing of parafoveally available words limited to the identification of beginning letters? (b) Does the parafoveal processing of words affect the following interword saccade? Reading afforded either no parafoveal preview, preview of beginning trigrams, preview of ending trigrams, or preview of the whole parafoveal word. Previews were controlled by replacing original letters either with X's or dissimilar letters. Preview benefits were larger for the whole word previews than for beginning or ending trigram previews. X-masks yielded preview benefits from intact beginning and ending trigrams but dissimilar letter masks yielded benefits from beginning trigrams only. Saccades were larger for whole word previews than for no previews. These results support Logogen-type models of word recognition and a model of saccade computation that posits a time-locked functional relation between the acquisition of parafoveal word information and the positioning of each fixation.

Attention↗
PubMed1990

[Data processing at the special diabetes ambulatory center of the Innsbruck Ophthalmology University Clinic--electronic data processing in ophthalmology].

During the last 2 years, a personal computer in the special diabetes department of Innsbruck University Eye Hospital has not merely facilitated statistical analysis; without the PC such analysis would not have been possible. Logistically, the most important function is data acquisition, because the system only works if all data are entered. In addition to data processing, word processing, statistical analyses, and chart processing using graphics software are all done on the PC. The system is currently being developed further to include on-line access to literature databases via Datex-P and additional workstations. After 3 years of experience with the PC it is difficult to imagine doing scientific work without it.

Ambulatory Care↗
PubMed1985

Automatic processing of word meaning: intralingual and interlingual interference.

Automatic processing of word meaning was studied in bilingual children and children in various stages of second-language acquisition in 2 experiments. A picture-word interference task was used. The children named outlined pictures as rapidly as possible while attempting to ignore distractor words printed inside the pictures' borders. For children proficient in the 2 languages (Experiment 1), the printed distractors interfered with naming on both intralingual trials, for which the distractor and naming language were the same, and on interlingual trials, for which they were different. The pattern of interference across 6 levels of name-distractor relation was similar for the intralingual and interlingual conditions and indicated that at least part of the interference occurred at a semantic level. For children who were in various phases of learning a second language (Experiment 2), second-language words were automatically processed to the level of meaning early in the course of second-language reading instruction. As was found for the more proficient groups, both the pattern and the amount of interlingual interference matched that for intralingual interference. The results question whether an "input switch" operates for bilingual word processing.

Adolescent↗
PubMed1975

Familiarity affects visual processing of words.

While previous research has demonstrated that words can be processed more rapidly and/or more accurately than random strings of letters, it has not been convincingly demonstrated that the superior processing of words is a visual effect. In the present experiment, the cases of letters were manipulated in letter strings that were to be compared on the basis of physical identity. Mean response time was shorter for words than for nonwords even for pairs of letter strings that differed only in case (e.g., site-site). This finding implies that the advantage of words over nonwords (the familiarity effect) typically observed in the simultaneous matching task is not due solely to comparison of either the word names or the letter names and, thus, that at least part of the familiarity effect must be due to more rapid formation and/or comparison of visual representations of the two letter strings when they are words. Further analysis failed to reveal a significant involvement of phonemic or lexical codes in the comparison judgments.

Adolescent↗
PubMed1991

Adult age differences in letter-level and word-level processing.

Older and young adults' letter detection and lexical decision performance were examined as word frequency varied to determine whether there were age differences in word recognition. Allen and Madden (1989) found that older adults' pattern of reaction time (RT) across word frequency categories was different from young adults' pattern for a letter detection task. In this study, for both letter detection and lexical decision tasks, older adults exhibited a monotonically decreasing RT function as word frequency increased. However, young adults exhibited a nonmonotonic RT function across word frequency for the letter detection task but a monotonically decreasing RT function as word frequency increased for the lexical decision task. An expanded parallel input serial analysis model of word processing was hypothesized.

Adolescent↗
PubMed1990

[Electronic data processing-assisted text processing at the clinic and in general practice].

Word processing is currently the most frequent application for personal computers, and a wide variety of standard software is available. The capabilities of modern word-processing software includes the convenient typing and correction of all routine correspondence, as well as the professional layout of scientific manuscripts. The decision to purchase a certain word-processing programm should be made according to local needs and prerequisities. Three to six months may be necessary to fully adapt the organization of a clinic or private practice to the new technology.

Computer Systems↗
PubMed1988

Computers in anatomic pathology. A survey of California hospitals.

The anatomic pathology services of 434 health care institutions in California were surveyed about their use of computers. Of 200 (46%) respondents, 106 (53%) did not use computers at all. Of 94 (47%) respondents who used computers, 77 (82%) used them for administrative purposes; 74 (79%), for any routine processing of surgical specimens; 43 (45%), for processing surgical specimens other than word processing (eg, database); 52 (55%), for processing cytology specimens; and 60 (63%), for processing autopsy specimens (including word processing). Computer use was slightly greater with higher work loads. Among nonusers, on a scale of 1 to 5 the average interest in using computers was 3.5 for surgical pathology data, 3.4 for cytology data, and 2.8 for autopsy data. The interest rate also increased with work load, and was nearly 4 for laboratories with greater than 4000 surgical or cytology cases per year. The average interest in controlling and/or making decisions about computer hardware and software was 3.9 for hardware and 4 for software. Reasons for low computer use in anatomic pathology despite interest in utilization are discussed, including the limited selection of affordable commercial software for anatomic pathology and difficulties of in-house software development.

Autopsy↗
PubMed1989

[Initial experiences with a new kind of computer compatible coding and analysis system for inpatient and ambulatory services].

This paper describes a new concept of an operational database management system including the word processing program "Word Star". The system structure is composed of patients identities and linked MIR's (medical information records) to follow a patient's history in space and time. In- and out-patient's data are collected on a special data sheet with numeric responses from the following areas: demographics including risk factors, diagnosis, surgical procedure, intra- and postoperative morbidity analysis. Data are entered using a DBS-16 concurrent dos system and stored on a 105 Megabytes hard disk. The software program in its compiled version allows for processes like outpatients clinic management, appointments organisation and statistical analysis of different variables thus providing detailed information on patients postoperative morbidity.

Ambulatory Care↗
PubMed1987

A comparison of word recognition processes in dyslexic and normal readers at two reading-age levels.

This study addressed the question of whether dyslexic children use qualitatively different word identification processes as compared to normal readers at the same stage of reading acquisition. Fifty-two dyslexic children and reading-age matched normal readers were required to pronounce words and pseudowords designed to tap several word recognition and decoding processes. Performance profiles were compared for the two reading groups at two reading ages. Although an invariant acquisition sequence was observed across reading groups, differences in level of performance between dyslexics and reading-age controls varied as a function of reading age. The performance of the more advanced dyslexics was virtually indistinguishable from normal readers on all measures. In contrast, the younger reading age dyslexics differed from normal readers on several measures of spelling-sound correspondences. However, no reading group differences were observed on measures of word recognition. The results indicated that dyslexics and normal readers at the same reading age use essentially the same processes to recognize words, but may differ in knowledge of correspondence rules.

Adolescent↗
PubMed1991

Visual speech processing: word-decoding and word-discrimination related to sentence-based speechreading and hearing-impairment.

Two aspects of visual speech processing in speechreading (word decoding and word discrimination) were tested in a group of 24 normal hearing and a group of 20 hearing-impaired subjects. Word decoding and word discrimination performance were independent of factors related to the impairment, both in a quantitative and a qualitative sense. Decoding skill, but not discrimination skill, was associated with sentence-based speechreading. The results were interpreted such that, in order to represent a critical component process in sentence-based speechreading, the visual speech perception task must entail lexically induced processing as a task-demand. The theoretical status of the word decoding task as one operationalization of a speech decoding module was discussed (Fodor, 1983). An error analysis of performance in the word decoding/discrimination tasks suggested that the perception of heard stimuli, as well as the perception of lipped stimuli, were critically dependent on the same features; that is, the temporally initial phonetic segment of the word (cf. Marslen-Wilson, 1987). Implications for a theory of visual speech perception were discussed.

Adult↗
PubMed1991

Memory mechanisms in the processing of words and word-like symbols.

Modern functional imaging techniques such as positron emission tomography (PET) provide the opportunity to examine in some detail the implementation of mental activities in the human brain. Using measurements of changes in local brain blood flow obtained with PET as a marker of changes in local neuronal activity we have examined the processing of single words and word-like symbols. These studies reveal the very distributed, modular nature of this implementation and provide some preliminary insights into the role of memory mechanisms in the process.

Brain Mapping↗
PubMed1989

Specific word transfer as a measure of processing in the word-superiority paradigm.

Explanations of context effects in the Reicher-Wheeler task and the letter-identification task appeal to word-based processing, yet these tasks provide no explicit measure of word processing. An experiment is reported which was designed to investigate the use of transfer in the word-identification task as a measure of word-based processing in letter-identification tasks. It was found that encoding manipulations that determined whether a word-superiority effect was or was not found in a letter-identification task (e.g., Thompson & Massaro, 1973) also determined whether transfer was or was not found in a subsequent word-identification task. The results of the experiment are discussed in terms of the utility of using transfer experiments as converging evidence about the presence and/or absence of processes that cannot be directly measured in other experimental paradigms.

Adult↗
PubMed1989

"On-screen" writing and composing: two years experience with Manuscript Manager, Apple II and IBM-PC versions.

The problems of the direct composition of a biomedical manuscript on a personal computer are discussed. Most word processing software is unsuitable because literature references, once stored, cannot be rearranged if major changes are necessary. These obstacles have been overcome in Manuscript Manager, a combination of word processing and database software. As it follows Council of Biology Editors and Vancouver rules, the printouts should be technically acceptable to most leading biomedical journals.

Humans↗