Two experiments were conducted to assess the performance of freshmen chemistry students with poor spatial visualization skills. In the first experiment, 31 chemistry students with academically deficient backgrounds completed a diagnostic test of their ability to visualize and interpret pictorial representations of simple molecular structures. At…

The study involving 60 learning disabled (LD) and 30 normal achieving seventh through ninth graders was designed to identify adolescents homogeneously defined as exhibiting a "specific learning disability in arithmetic" and to determine if the cognitive processes (visual-spatial, visual-reasoning, and visual-memory) are related to the academic…

Examined patterns of intellectual differences among children (n=300) of different ethnic groups on Wechsler Intelligence Scale for Children-Revised. Results indicated that when overall intelligence quotient was held constant, Black children performed better on verbal tasks, Hispanic children performed better on visual-spatial tasks, and White…

Compares speech-related (coverbal) gestures in brain-damaged patients (aphasics and visuo-spatial deficits) and in matched controls. Results suggest ideational gestures probably facilitate word retrieval and reflect transfer of information between propositional and non-propositional representations during message construction, and that conceptual…

A study explored working memory (WM) capacity, WM task requirements, as well as effects between WM, skills, knowledge base, and intelligence in adults with mental retardation and children aged 3-6 years. Adults were better on measures reflecting skills and knowledge base. Children performed better in phonological and visuo-spatial WM tasks.…

Recent findings [Turcotte, Gagnon, & Poirier, 2005. The effect of old age on the learning of supra-span sequences. "Psychology and Aging," 20, 251-260.] indicate that incidental learning of visuo-spatial supra-span sequences through immediate serial recall declines with old age (Hebb's paradigm). In this study, we examined whether…

Background: Frith and Happe (1994) describe central coherence (CC) as the normal tendency to integrate individual elements into a coherent whole, a cognitive style which varies in the general population. Individuals with autism are at the extreme (weak) end of the continuum of coherence. There has been debate over whether CC is independent from…

We have previously reported in this journal that spatial ability influences academic performance in engineering. We have also reported that spatial ability is trainable, and can be increased through instruction focused on using perception and mental imagery in three-dimensional representation. In this article, we present the results of a…

Conclusions derived from drawing research indicate that young children can be trained to see and respond to the distinctions of their observation and that these distinctions can enrich their drawing experiences. These distinctions include spatial information obtained from observation. Three basic factors influence young children's spatial…

Visualization as a factor of intelligence includes the mental manipulation of spatial configurations and has been associated with spatial abilities, creative thinking, and conceptual problem solving. There are numerous reports of scientists and mathematicians using visualization to anticipate transformation of the external world. Artists and…

A general framework is outlined for describing the relationship of cognition to brain systems. The model provides for empirical investigations at many levels--computational, chronometric, spatial imaging, and cellular--and argues for the logical interrelationship of these areas of investigation. It is applied to selective visual-spatial attention…

Examines the relationship of achievement in reading, spelling, and arithmetic with a variety of other measures, including tests of visual memory and visual-motor association. Concludes that visual association is more closely related to achievement in reading, arithmetic, and spelling than is visual memory. (HOD)

Two experiments with 172 undergraduate students (70 males and 102 females) examined the relationship among spatial, imagery, and verbal ability and the multitrial free recall of brief prose passages. Results suggest that the psychological mechanisms underlying prose learning performance clearly differ depending on the ability being examined. (SLD)

Studying the biological mechanisms underlying mental retardation and developmental disabilities (MR/DD) is a very complex task. This is due to the wide heterogeneity of etiologies and pathways that lead to MR/DD. Breakthroughs in genetics and molecular biology and the development of sophisticated brain imaging techniques during the last decades…

Describes study of home economics students at Ohio State University that investigated whether computer animated graphics that replicate mental images of rotation and dimensional transformation would be useful in the development of spatial skills. Orthographic drawings are described, and results for treatment and control groups are analyzed. (29…