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Handling diagnosis of schizophrenia by a hybrid method.

Nunes LC, Pinheiro PR, Cavalcante TP, Pinheiro MC - Comput Math Methods Med (2015)

Bottom Line: Psychotics disorders, most commonly known as schizophrenia, have incapacitated professionals in different sectors of activities.Those disorders have caused damage in a microlevel to the individual and his/her family and in a macrolevel to the economic and production system of the country.The lack of early and sometimes very late diagnosis has provided reactive measures, when the professional is already showing psychological signs of incapacity to work.

View Article: PubMed Central - PubMed

Affiliation: Graduate Program in Applied Informatics, University of Fortaleza (UNIFOR), Avenida Washington Soares, 1321, Bl J Sl 30, 60811-905 Fortaleza, Brazil.

ABSTRACT
Psychotics disorders, most commonly known as schizophrenia, have incapacitated professionals in different sectors of activities. Those disorders have caused damage in a microlevel to the individual and his/her family and in a macrolevel to the economic and production system of the country. The lack of early and sometimes very late diagnosis has provided reactive measures, when the professional is already showing psychological signs of incapacity to work. This study aims to help the early diagnosis of psychotics' disorders with a hybrid proposal of an expert system that is integrated to structured methodologies in decision support (multicriteria decision analysis: MCDA) and knowledge structured representations into production rules and probabilities (artificial intelligence: AI).

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Related in: MedlinePlus

Possibility of diagnosis. Source: formatted by the author from software Expert SINTA.
© Copyright Policy - open-access
Related In: Results  -  Collection


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fig19: Possibility of diagnosis. Source: formatted by the author from software Expert SINTA.

Mentions: The Expert SINTA aims to simplify the steps of creating a full expert system. For this, a basic inference engine is already offered, based on backward chaining. The backward chaining excels in problems where there are a large number of conclusions that can be achieved, but the number of ways in which they can be reached is not great, in problems where it cannot meet an acceptable number of facts before starting to search for answers. The backward chaining is also more intuitive for the developer, because it is based on recursion, an elegant and efficient way of programming, where the logic programming itself is directed. At no time, however, it ceases to recognize that the forward chaining has advantages in certain occasions. Moreover, the calculations of values of differences in degree of attractiveness and judgment needed to build the array of values generated by the MACBETH method, as shown in Figures 6 and 7. In Figures 10to 19 the steps to building an expert system, with aim at assisting in the final diagnosis are presented. In Figure 10 there is an illustration of how the user in the Expert SINTA should proceed to set the precedence of the logical operators that will be used by the inference machine, that is, if (A and B) or C/A and (B or C).


Handling diagnosis of schizophrenia by a hybrid method.

Nunes LC, Pinheiro PR, Cavalcante TP, Pinheiro MC - Comput Math Methods Med (2015)

Possibility of diagnosis. Source: formatted by the author from software Expert SINTA.
© Copyright Policy - open-access
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC4363642&req=5

fig19: Possibility of diagnosis. Source: formatted by the author from software Expert SINTA.
Mentions: The Expert SINTA aims to simplify the steps of creating a full expert system. For this, a basic inference engine is already offered, based on backward chaining. The backward chaining excels in problems where there are a large number of conclusions that can be achieved, but the number of ways in which they can be reached is not great, in problems where it cannot meet an acceptable number of facts before starting to search for answers. The backward chaining is also more intuitive for the developer, because it is based on recursion, an elegant and efficient way of programming, where the logic programming itself is directed. At no time, however, it ceases to recognize that the forward chaining has advantages in certain occasions. Moreover, the calculations of values of differences in degree of attractiveness and judgment needed to build the array of values generated by the MACBETH method, as shown in Figures 6 and 7. In Figures 10to 19 the steps to building an expert system, with aim at assisting in the final diagnosis are presented. In Figure 10 there is an illustration of how the user in the Expert SINTA should proceed to set the precedence of the logical operators that will be used by the inference machine, that is, if (A and B) or C/A and (B or C).

Bottom Line: Psychotics disorders, most commonly known as schizophrenia, have incapacitated professionals in different sectors of activities.Those disorders have caused damage in a microlevel to the individual and his/her family and in a macrolevel to the economic and production system of the country.The lack of early and sometimes very late diagnosis has provided reactive measures, when the professional is already showing psychological signs of incapacity to work.

View Article: PubMed Central - PubMed

Affiliation: Graduate Program in Applied Informatics, University of Fortaleza (UNIFOR), Avenida Washington Soares, 1321, Bl J Sl 30, 60811-905 Fortaleza, Brazil.

ABSTRACT
Psychotics disorders, most commonly known as schizophrenia, have incapacitated professionals in different sectors of activities. Those disorders have caused damage in a microlevel to the individual and his/her family and in a macrolevel to the economic and production system of the country. The lack of early and sometimes very late diagnosis has provided reactive measures, when the professional is already showing psychological signs of incapacity to work. This study aims to help the early diagnosis of psychotics' disorders with a hybrid proposal of an expert system that is integrated to structured methodologies in decision support (multicriteria decision analysis: MCDA) and knowledge structured representations into production rules and probabilities (artificial intelligence: AI).

Show MeSH
Related in: MedlinePlus