Area:
Cognitive Psychology
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High-probability grants
According to our matching algorithm, Salvatore Soraci is the likely recipient of the following grants.
Years |
Recipients |
Code |
Title / Keywords |
Matching score |
1985 — 1987 |
Soraci, Salvatore A |
R23Activity Code Description: Undocumented code - click on the grant title for more information. |
Attentional Modifiability of Mentally Retarded Children
The present proposal involves a series of studies that utilize attentional training techniques with mentally retarded children and nonretarded children. While most research efforts involving mentally retarded populations have emphasized mediational deficits in information processing, the present series of studies explores the role of perceptual salience in inducing rapid detection of relevant stimulus relationships. The general hypothesis is that the discrimination learning ability of high-functioning mentally retarded groups and nonretarded groups can be facilitated equally well through appropriate perceptually based manipulations. In certain studies, the relative contributions of perceptual salience and exposure to rule-based learning will be explored. The specific aims are to: (a) determine the degree of perceptual salience necessary for the inducement of oddity learning in mentally retarded and nonretarded children; (b) determine the importance of rule utilization in oddity learning for both mentally retarded and nonretarded children; (c) determine the generalizability of the oddity learning induced; (d) determine the facilitative effects of a perceptual intervention on component learning; and (e) evaluate the potential effects of the subject's task activity in providing relevant stimulus information that is perceived and utilized. Previous research conducted by the present investigator has provided evidence for the theoretical and practical significance of perceptual salience manipulations in inducing rapid discrimination learning with young developmentally delayed children of comparable chronological ages as the groups who will participate in the present series of studies.
|
0.923 |
1990 — 1994 |
Soraci, Salvatore A |
K04Activity Code Description: Undocumented code - click on the grant title for more information. |
Facilitating Relational Learning in Mr Children @ Tufts University Medford
Because basic properties of stimuli such as similarity-dissimilarity and novelty-familiarity are intrinsically relational and are embedded in ubiquitous environmental contexts, the ability to detect such relational information is essential to adaptive functioning. There is substantial evidence that children that have low mental ages-both retarded children and young non-retarded children--exhibit markedly deficient performances on tasks that demand relational responding (Greenfield, 1985; Soraci et al., 1987, 1989). In an extension of experimental paradigms the present investigator has utilized in previous research, the specific aim of this proposal is to analyze and enhance the relational characteristics of stimulus arrays in order to facilitate performance on tasks such as oddity and match-to"sample. Oddity and arbitrary match-to-sample are particularly clear examples of tasks in which individual stimuli do not have discrete informational value independent of their relations to the stimuli that comprise their context; rather, the informational value of individual stimuli in these tasks is in large part determined by the surround in which they appear (Dinsmoor, 1985; Sidman & Stoddard, 1968). Converging evidence from various studies conducted by the present investigator and others suggests that a critical factor in the performance discrepancies between retarded and non-retarded children is a differential sensitivity to relational information (e.g., Soraci, Deckner, Baumeister, 1989). A major goal of the proposed research is to provide evidence relevant to the development of a theoretical model of relational learning. In the proposed studies, emphasis is placed on the role of the structure of the visual arrays in facilitating detection of relevant stimulus relations. Stimulus organization variables are also examined as they relate to stimulus detection and discriminative responding. The proposed studies are divided into two sections: Oddity and Stimulus Organization.
|
0.958 |