Relation between pronunciation and recognition of printed words in deep and shallow orthographies

The processes responsible for recognition and pronunciation of printed words were studied by means of lexical decision and naming experiments. Two languages were examined: English, which has a complex and deep correspondence between spelling and speech, and Serbo-Croatian, in which the correspondence is simple and direct. It was hypothesized that reliance on articulatory coding (instead of on mediation by the internal lexicon) would be greater for Serbo-Croatian because its shallow orthography would allow more efficient use of spelling-to-speech correspondences. Each target stimulus was preceded by a word that was either related or unrelated semantically. Semantic priming of target words facilitated performance in both lexical decision and naming for English, results suggesting an influence of the internal lexicon on both processes. In contrast, semantic priming facilitated only lexical decision for Serbo-Croatian, which suggests that naming, at least in that language, is not strongly influenced by the internal lexicon. Further, in Serbo-Croatian, lexical decision and naming latencies were correlated when both tasks were not semantically primed and were uncorrelated when either or both tasks received semantic priming. This suggested that articulatory coding is used in lexical decision, at least under conditions in which contextual semantic facilitation is absent. In contrast, in English, lexical decision and naming were correlated uniformly whether semantic facilitation was present or not, which, when considered with the effect of semantic facilitation on naming, suggested a stronger influence of the internal lexicon on both recognition and pronunciation.     

Metaphoric relationships: The role of feature saliency

The saliency of specific features has been given a prominent role in the comprehension and production of metaphors by some recent models of metaphoric processing. These models have been generally mute on how one could operationalize feature saliency. In the present study, four distinctive indices of feature saliency were examined: associative dominance, typicality, fluency, and imaginal distinctiveness. Participants rated 112 sentences in which the subjects and predicates were linked as in a nominal metaphor. The judged metaphor goodness of these sentences was predicted by only one measure of feature saliency, i.e., the typicality of the shared feature. Typicality of the feature associated both to the sentential predicate (vehicle) and to the subject (topic) was shown to be related to goodness ratings even when the effects of the other saliency measures were partialed out. Manipulation checks based on (1) having people produce a common feature for each sentence and (2) having people rate the reverse relationship for metaphoric goodness both indicated the importance of the shared feature. Cognitive processes suggested by these data were discussed.This research was supported by a grant (A7040) from the Natural Sciences and Engineering Research Council of Canada.     

Difference measurement spaces

An absolute-difference measurement space is a pair (X, e) where the real-valued function e on X² satisfies conditions which are shown in the paper to be necessary and sufficient for its representability by the absolute distance on the real line. A positive-difference measurement space is a pair (X, l), where the real-valued function l on X² satisfies conditions necessary and sufficient for its representability by positive distances on the real line. The conditions imposed on e and l make these functions extensive measurements of proximity and dominance, the two basic predicates of social enquiry. Another way of treating these conditions is to translate them to the formal language of multivalued logic. The translation is easy and the sentences obtained have plausible intuitive meanings such as reflexivity, symmetry, and transitivity. The two sets of conditions thus become formal theories of proximity and dominance. Our difference measurement spaces are relational structures for the multi-valued logic and models of the two formal theories. Thus proximity and dominance are considered dichotomous in principle and the multiple truth-values represent degrees of error. We suggest adopting multivalued logic as a framework within which the problem of measurement error can be treated together with the formal axiomatization of social and phychological theories.     

Information dissemination in early childhood education

Trends and issues in the dissemination of knowledge are discussed in terms of current trends. The general trends include the rapid rate at which new journals and documents are produced and increasing specialization in the field. Among the issues discussed are the optimum information hypothesis, optimum conceptual size of information, vividness and propitiousness of the information, and orientations to knowledge of subcultures within a professional field. The field of early childhood education is used as the example of each trend and issue. Lilian G. Katz is Professor of Early Childhood Education at the University of Illinois (Urbana-Champaign) where she is also Director of the ERIC Clearinghouse on Elementary and Early Childhood Education. She is currently President of the National Association for the Education of Young Children. Professor Katz is author of more than one hundred articles, chapters, and books about early childhood, teacher education, and parenting. Her most recent book isEngaging Children’s Minds: The Project Approach (with Sylvia Chard).     

THE IMPACT OF AUDITION ON THE DEVELOPMENT OF VISUAL ATTENTION

Interactions between audition and vision were investigated in two experiments In the first experiment, school-age hearing children, deaf children with cochlear implants, and deaf children without implants participated in a task in which they were to respond to some visual signals and not others This task did not involve sound at all Deaf children without implants performed much more poorly than hearing children Deaf children with cochlear implants performed considerably better than deaf children without implants The second experiment employed a longitudinal design and showed that the rate of development in visual selective attention was faster for deaf children with cochlear implants than deaf children without implants Moreover, the gams were rapid–occurring within 2 years post-implant surgery The results suggest that a history of experience with sounds matters in the development of visual attention The results are discussed in terms of multimodal developmental processes     

The eccentricity effect: Target eccentricity affects performance on conjunction searches

The serial pattern found for conjunction visual-search tasks has been attributed to covert attentional shifts, even though the possible contributions of target location have not been considered. To investigate the effect of target location on orientation × color conjunction searches, the target’s duration and its position in the display were manipulated. The display was present either until observers responded (Experiment 1), for 104 msec (Experiment 2), or for 62 msec (Experiment 3). Target eccentricity critically affected performance: A pronounced eccentricity effect was very similar for all three experiments; as eccentricity increased, reaction times and errors increased gradually. Furthermore, the set-size effect became more pronounced as target eccentricity increased, and the extent of the eccentricity effect increased for larger set sizes. In addition, according to stepwise regressions, target eccentricity as well as its interaction with set size were good predictors of performance. We suggest that these findings could be explained by spatial-resolution and lateral-inhibition factors. The serial self-terminating hypothesis for orientation × color conjunction searches was evaluated and rejected. We compared the eccentricity effect as well as the extent of the orientation asymmetry in these three conjunction experiments with those found in feature experiments (Carrasco & Katz, 1992). The roles of eye movements, spatial resolution, and covert attention in the eccentricity effect, as well as their implications, are discussed.     

A research-based reconsideration of the psychoanalytic theory of dreaming.

We present a brief review of sleep research which, when combined with psychoanalytic experience, has led to the hypothesis that REM sleep and dreaming serve the function of adaptation by the process of integration of information. We then report the results of a study of dreams, based on this hypothesis. We studied dreams and their relation to waking mental activity and found a correlation between problems in manifest dreams and those in pre- and postsleep waking life. Dreams can be understood on the basis of problems that appear in them. We also found evidence for a relation between the solution of problems in dreams and the fate of those problems the next day. We discuss these findings in relation to some of the controversies about dreaming, and then present suggestions for future research.