Which of the following statements about brain development i...
INSTRUCTION: Read the following text to answer the question.
Neuroplasticity: How the brain changes with learning
You cannot learn something without storing it in some form of memory for future use. From neuroscience, we know that memories are encoded by physical changes in the brain. In other words, your brain changes physically whenever you learn anything, and your brain continues to be moulded by experience and learning throughout your life.
Executive summary
• Your brain is never fixed but continues to change with learning and experience throughout your life.
• Most learning in the brain involves rewiring or making and strengthening connections between neurons, the cells of your brain most crucial for learning.
• In most regions of the brain, the only neurons you will have throughout all of your life are already present at birth. Your brain does continue to grow new neurons in at least one very small but potentially important area for learning, but this is very new research and the role of these new neurons for learning is not yet known.
• Neuroplasticity is important for all learning – much of the neuroscience research on neuroplasticity is related to how the brain recovers from injury or damage – but some of the same principles apply to how the brain changes with learning throughout all of life.
Learning and memory and changes in the brain
Let us start with a simple logical argument, to dispel myths and show that logically, of course, your brain is changing with learning:
Learning and memory are necessarily closely linked. You cannot learn something without storing it in some form of memory for use in the future, either for recall as new knowledge or improvement in skills. From neuroscience, we know that memories are encoded by physical changes in the brain (although we still debate exactly what it is that changes and how). Your brain therefore changes physically whenever anything is learnt, and so your experiences and learning throughout all of life change and mould your brain.
There is a common brain myth or popular perception that the brain becomes fully developed sometime in early childhood, implying that nothing further changes, and that further changes in the brain with development in childhood and adolescence are somehow biologically determined, leading to a fully developed state at adulthood.
In reality, the way your brain develops is determined both by your genetics and by your learning and experiences. Biological does not mean predetermined. Your brain is shaped by your experiences and is never fixed but continues to change along with learning across the lifespan.
Available at: https://solportal.ibe-unesco.org/articles/neuroplasticityhow-the-brain-changes-with-learning/. Accessed on: March 1st, 2025.
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Comentário da questão – Interpretação de Texto (Reading Comprehension)
Tema central: A questão aborda neuroplasticidade, ou seja, a capacidade do cérebro de se modificar com o aprendizado e as experiências ao longo da vida. Compreender o texto exige identificar a ideia principal: o cérebro não é uma estrutura fixa; ele permanece em constante adaptação.
Justificativa para a alternativa correta (C):
O conceito essencial para resolver a questão está no entendimento de neuroplasticidade. O texto destaca que a aprendizagem e as experiências pessoais continuam a moldar o cérebro durante toda a vida. Atenção ao trecho “your brain is never fixed but continues to change with learning and experience throughout your life”, que fundamenta a resposta.
Estratégia de resolução: Repare em expressões temporais como throughout your life (ao longo da vida) e verbos no presente contínuo (“is changing”, “continues to be moulded”), elementos que reforçam a mudança permanente. Essa abordagem é fundamental em provas de Vestibular, pois distingue ideias absolutas de conceitos dinâmicos.
Análise das alternativas incorretas:
A) A estrutura do cérebro é determinada principalmente pela genética. — O texto afirma que a genética tem papel, mas enfatiza que experiências possuem influência marcante. Genética não é o único ou principal fator (“Biological does not mean predetermined”).
B) Todos os neurônios do cérebro são substituídos ao longo da vida. — Errado! O texto ressalta que “the only neurons you will have throughout all of your life are already present at birth”. Novos neurônios só surgem em áreas específicas e não substituem todos os existentes.
D) A maioria das mudanças no cérebro ocorre durante a primeira infância. — Pegadinha comum! O texto nega essa ideia, deixando claro que mudanças continuam ao longo da vida. Fique atento a palavras como “most” (maioria) e “childhood” (infância), que restringem injustamente o conceito.
Dica de prova: Cuidado com generalizações (“all”, “most”, “only”). Busque no texto palavras que indiquem continuidade ou mudança, como “continues”, “throughout life”, que ajudam a estratégias de eliminação.
Resumo: A alternativa C está correta, pois reflete o conceito de neuroplasticidade, confirmando que o cérebro muda com experiências durante toda a vida.
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