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Abstract(s)
Introdução: O conhecimento de como os hábitos adquiridos ao longo da vida são capazes de interferir sobre os mecanismos cerebrais durante o envelhecimento pode abrir novas formas de intervenção para prevenir o défice cognitivo, tanto derivado deste processo natural como até o consequente de doenças neurodegenerativas.
Com este trabalho, para além de aprofundarmos a neurobiologia associada às alterações de memória normais subjacentes ao processo de envelhecimento, pretende-se ainda expor algumas teorias de mecanismos que se afiguram como preventivos e como prejudiciais à manutenção das capacidades mnésicas em idades mais avançadas.
Objetivos:
1.Rever a evidência científica existente sobre o envelhecimento fisiológico do cérebro no que respeita à memória;
2. Antecipar mecanismos que se adivinham como benéficos ou prejudiciais para a manutenção das capacidades mentais.
Métodos: Realizou-se uma revisão da literatura científica sobre o tema, através de livros e bases de dados eletrónicas como PubMed e Google Scholar. Para efetuar a pesquisa utilizaram-se palavras-chave como “memory”, “normal aging”, “aging brain”, “forgetting”, “memory formation”, etc. Foram incluídos todos os artigos relevantes, incluindo artigos científicos, artigos de revisão e metaanálises, publicados até 31 de agosto de 2018, privilegiando-se os mais recentes.
Introduction: Knowledge of how lifelong habits are able to interfere with brain mechanisms during aging may open new ways of intervening to prevent cognitive deficits, both as a result of this natural process and as a consequence of neurodegenerative diseases. With this work, in addition to deepening the neurobiology associated with the normal memory alterations underlying the aging process, it is also intended to expose some theories of mechanisms that seem to be preventive and detrimental to the maintenance of mnesic capacities at more advanced ages. Objectives: 1.Review the existing scientific evidence on the physiological aging of the brain with regard to memory; 2. Anticipate mechanisms that are guessed as beneficial or detrimental to the maintenance of mental abilities. Methods: A review of the scientific literature on the subject was done through books and electronic databases such as PubMed and Google Scholar. Key words such as "memory", "normal aging", "aging brain", "forgetting", "memory formation", etc. were used to carry out the research. All relevant articles, including scientific articles, review articles and meta-analyzes published until August 31, 2018 were included, giving privilegie to the most recent articles.
Introduction: Knowledge of how lifelong habits are able to interfere with brain mechanisms during aging may open new ways of intervening to prevent cognitive deficits, both as a result of this natural process and as a consequence of neurodegenerative diseases. With this work, in addition to deepening the neurobiology associated with the normal memory alterations underlying the aging process, it is also intended to expose some theories of mechanisms that seem to be preventive and detrimental to the maintenance of mnesic capacities at more advanced ages. Objectives: 1.Review the existing scientific evidence on the physiological aging of the brain with regard to memory; 2. Anticipate mechanisms that are guessed as beneficial or detrimental to the maintenance of mental abilities. Methods: A review of the scientific literature on the subject was done through books and electronic databases such as PubMed and Google Scholar. Key words such as "memory", "normal aging", "aging brain", "forgetting", "memory formation", etc. were used to carry out the research. All relevant articles, including scientific articles, review articles and meta-analyzes published until August 31, 2018 were included, giving privilegie to the most recent articles.
Description
Keywords
Declínio Cognitivo Envelhecimento Esquecimento Formação Mnésica Memória