DOI:
https://doi.org/10.38017/1657463X.795Palavras-chave:
envelhecimento, priming semântico, lentidão cognitivaResumo
Alguns pesquisadores acreditam que os pacientes com doença de Alzheimer têm um problema de processamento de características específicas de conceitos. Como resultado, os membros de uma categoria semântica, como leão e tigre, tornam-se confusos para eles, impedindo o paciente de distinguir entre conceitos semelhantes. Alguns pesquisadores descobriram que idosos saudáveis também apresentam essa interrupção semântica. Para testar esta última afirmação, foi criado um paradigma de priming semântico, tanto para testar as diferenças entre condições semânticas (leão-TIGRE) como efeito de grupo (idosos v.s. jovens). Os resultados revelaram que ambas as populações experimentaram efeitos de priming. No entanto, embora houvesse diferenças significativas no tamanho do efeito (hyperpriming) quando os tempos de reação foram examinados, essas diferenças desapareceram quando os dados foram transformados em logaritmos naturais. Esses achados apoiam a ideia de que o efeito hiperpriming em idosos pode estar relacionado à falta de controle metodológico. Esta evidência suporta a necessidade de novas perspectivas sobre o envelhecimento e seu impacto na cognição.
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