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151.
Mirror writing refers to the production of individual letters, whole words or sentences in reverse direction. Unintentional
mirror writing has been observed in young children learning to write and interpreted as the manifestation of different cognitive
impairments. We report on mirror writing instances in a sample of 108 pre-school children. Results showed MW to be age-related
but independent from handedness and left-right discrimination abilities. We propose an account of mirror writing as reflecting
dissociation between acquired motor programmes for letter shape composition and unspecified spatial direction of hand movements.
Before learning to write, the child’s directional cognitive system is assumed to be dichotomous, thus inducing the production
of randomly oriented asymmetrical letters. 相似文献
152.
Three experiments demonstrated that situational information contributes to the categorization of functional object categories, as well as to inferences about these categories. When an object was presented in the context of setting and event information, categorization was more accurate than when the object was presented in isolation. Inferences about the object similarly became more accurate as the amount of situational information present during categorization increased. The benefits of situational information were higher when both setting and event information were available than when only setting information was available. These findings indicate that situational information about settings and events is stored with functional object categories in memory. Categorization and inference become increasingly accurate as the information available during categorization matches situational information stored with the category. 相似文献
153.
Ricardo Basso Garcia Irene C. Mammarella Doriana Tripodi Cesare Cornoldi 《The British journal of developmental psychology》2014,32(1):17-33
This study examined forward and backward recall of locations and colours and the binding of locations and colours, comparing typically developing children – aged between 8 and 10 years – with two different groups of children of the same age with learning disabilities (dyslexia in one group, non‐verbal learning disability [NLD] in the other). Results showed that groups with learning disabilities had different visuospatial working memory problems and that children with NLD had particular difficulties in the backward recall of locations. The differences between the groups disappeared, however, when locations and colours were bound together. It was concluded that specific processes may be involved in children in the binding and backward recall of different types of information, as they are not simply the resultant of combining the single processes needed to recall single features. 相似文献
154.
Mental images: Specific or general,personal or impersonal? 总被引:1,自引:0,他引:1
Tore Helstrup Cesare Cornoldi & Rossana Debeni 《Scandinavian journal of psychology》1997,38(3):189-197
In three experiments the relation between visual images classified in terms of the four categories of personal, impersonal, specific, and general images was explored. The results showed that subjects were able to generate all types of images, with personal images being the easiest to recall. Personal images, together with general images, were the image types being easiest to integrate with one another. Overall, the observations suggested the existence of two imagery dimensions: specific-general, and personal-impersonal. Memory was found to be best for personal images. Personal images turned out to be easier to integrate in memory than specific images. The findings were discussed in terms of different image generation models. 相似文献
155.
156.
Working memory and intrusions of irrelevant information in a group of specific poor problem solvers 总被引:3,自引:0,他引:3
An important body of evidence has shown that reading comprehension ability is related to working memory and, in particular, to the success in Daneman and Carpenter's (1980) reading and listening span test. This research tested a similar hypothesis for arithmetic word problems, since, in order to maintain and process the information, they require working memory processes. A group of children possessing average vocabulary but poor arithmetic problem-solving skills was compared with a group of good problem solvers, matched for vocabulary, age, and socioeconomic status. Poor problem solvers presented lower recall and a greater number of intrusion errors in a series of tasks testing working memory and memory for problems. The results obtained over a series of six experimental phases, conducted during a 2-school-year period, offer evidence in favor of the hypotheses that groups of poor problem solvers may have poor performance in a working memory test requiring inhibition of irrelevant information (Hypothesis 1), but not in other short-term memory tests (Hypothesis 2), that this difficulty is related to poor recall of critical information and greater recall of to-be-inhibited information (Hypothesis 3), that poor problem solvers also have difficulty in remembering only relevant information included in arithmetic word problems (Hypothesis 4) despite the fact that they are able to identify relevant information (Hypothesis 5). The results show that problem-solving ability is related to the ability of reducing the memory accessibility of nontarget and irrelevant information. 相似文献
157.
Using the method of paired comparisons, pairs of simultaneous horizontal or vertical lines, with one line above and one below or one on the left and one on the right of a fixation point, respectively, were presented tachistoscopically for length comparison. Space errors were found to have a pattern similar to that of time errors. The tendency to guess the comparative response from the absolute magnitude of stimuli is proposed as a basis for time and space errors. Manipulation of attentional scanning, which implies a more frequent usage of this guessing strategy for one of the two lines in a pair, was shown to affect space errors. 相似文献
158.
Individual differences in the capacity limitations of visuospatial short-term memory: Research on sighted and totally congenitally blind people 总被引:1,自引:0,他引:1
The study of visuospatial imagery processes in totally congenitally blind people makes it possible to understand the specific contribution of visual experience for imagery processes. We argue that blind people may have visuospatial imagery processes, but they suffer from some capacity limitations. Similar, although smaller, limitations and individual differences may be found in sighted people. Visuospatial imagery capacity was explored by asking people to follow an imaginary pathway through either two- or three-dimensional matrices of different complexity. The blind appear to use specific visuospatial processes in this task (Experiments 2 and 3), but they have difficulty with three-dimensional matrices; sighted people have no such difficulty with three-dimensional matrices (Experiment 1). On the other hand, when a three-dimensional pattern exceeded sighted capacity, the blind and sighted showed similar patterns of errors. Subsequent analyses suggested that both visuospatial processes and verbal mediation were used. 相似文献
159.
Steven J. Cesare Anthony Dalessio Richard J. Tannenbaum 《Journal of applied social psychology》1988,18(15):1261-1273
The purpose of this study was to investigate whether target applicants of different race and/or sex affected the degree of contrast effect error, in an interview setting. This study was a 2 × 2 × 2 factorial ANOVA design (Preceding Applicants × Race × Sex). Undergraduates (N= 120) were randomly assigned to one of the eight experimental conditions. Each subject viewed and rated three videotaped interview simulations. As hypothesized, results indicated a large contrast effect, i.e., preceding applicant main effect. Furthermore, the results also revealed a significant three-way interaction. The ratings given to all target applicants in the Negative Predecessor condition were equally lenient, while the ratings given to ail target applicants in the Positive Predecessor condition were more variable. The focus of this condition was on the white male target applicant, who received the lowest ratings of any target applicant. Interpretation and suggestions for future research are discussed. 相似文献
160.
The purpose of this research has been to analyze the cerebral asymmetry in dyslexic children and, specifically for demonstrating whether there are different patterns of cerebral asymmetry among subtypes of dyslexia. We used a sample of 89 dyslexic children divided into subtypes obtained from the Jimenez and Ramirez (2002) study. The dual-task method was used to assess hemispheric specialization. The data were compared with that obtained from a control group of normal readers of same age (CA; N= 37) and with a younger reading level control group (RL; N= 40). We found that in the dyslexic group, similarly to the younger reading level group, a high percentage of children showed convergence in the left hemisphere of both linguistic and spatial functions. This pattern was also found in the RL control group. On the other hand, we did not find different patterns of cerebral asymmetry between dyslexic subtypes. 相似文献