A influência da linguagem para o raciocínio de crenças falsas em Teoria da Mente: uma análise em pacientes afásicos agramáticos / The influence of language for knowledge of false belivies in theory of mind: analise in agramaric Broca s
AUTOR(ES)
Verônica Aparecida de Oliveira Aquino
FONTE
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia
DATA DE PUBLICAÇÃO
09/04/2010
RESUMO
The term Theory of Mind refers to the ability of attributing mental states beliefs, intention, desires, pretending to oneself and others and to predict or explain others behavior on the basis of these beliefs. The main research questions undertaken in the Theory of Mind field are: (i) which kind of knowledge supports this ability; (ii) where it originates from and how it developes; and (iii) when it emerges (Astington e Gopnik, 1991). Assuming that language plays an important role for the development of cognition (Spelke, 2003), as far as it can provide support for action planning, contributing to the performance of complex cognitive tasks (Corrêa, 2006), de Villiers (2004, 2005, 2007 and subsequent work) argues, with regard to the Theory of Mind, that its development depends on language development, since it would be directly related to the acquisition of mental state verbs (think, for example) and the fact that these verbs subcategorize an embedded sentence. According to de Villiers, it is the mastering of such structure which enables a false belief reasoning in Theory of Mind. This dissertation aims at examining the extent to which there is a direct and necessary language influence for the false belief reasoning in Theory of Mind. Therefore, it focuses on aphasics a population who shows impaired language skills but keeps intact cognitive abilities. Two Brocas aphasic patients, selected by classical criteria, are observed in relation to the extent to which their ability to predict others behavior shows to be intact or is disrupted in parallel to their language skills. They are submitted to two false belief tasks. The first one is a verbal task consisting of a short story, depicting characters expectations towards the events. The test question is manipulated as a function of complexity by means of two factors: simple or complex sentences and Wh-in situ or Moved-Wh. The second test is a non-verbal task, consisting of a sequence of images displayed on a laptop screen. The subject task consists of deciding between the two last images shown, the one that consistently ends the story. Considering that there is a direct influence of language on false belief reasoning, it is expected that difficulty in the verbal task reflects the complexity of the test sentences presented. Additionally, the performance in the non-verbal task is also predicted to be unsatisfactory, due to the subjects linguistic impairment, which arguably would not lend the necessary support for this kind of reasoning. The first test results were poorer than the control group results. Second task results were at the ceiling 100% correct responses. In general, the results show, in one hand, that false belief reasoning in Theory of Mind is achieved by aphasics, as the good performance in the non-verbal task assures. On the other hand, the poor performance in the verbal task seems to solely reflect the linguistic impairment that characterizes this population. Thus, it may be argued that once abilities in Theory of Mind are developed, they remain intact, even in the mind of patients who are partially deprived of linguistic abilities
ASSUNTO(S)
cognição linguagem afasia de broca linguistica afasia estudo de casos distúrbios da linguagem cognição teoria da mente theory of mind brocas aphasia language cognition
ACESSO AO ARTIGO
http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=2900Documentos Relacionados
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