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Can Memory Affect IQ?

Published in Intelligence and Memory 3 mins read

Yes, research indicates that memory, particularly working memory, can influence certain aspects of intelligence, which relates to IQ.

The Link Between Memory and Intelligence

While it has long been believed that IQ is largely determined by genetics, newer research is shedding light on other factors that can play a significant role. One such factor is memory, specifically a type called working memory.

Working Memory: A Key Cognitive Skill

Working memory is a cognitive system with a limited capacity that can hold temporary information readily available for processing. It's crucial for tasks that require you to hold onto information while simultaneously performing other mental operations. The provided reference highlights that:

  • Certain aspects of intelligence are influenced by working memory.
  • Working memory is a cognitive skill that can be exercised.

This suggests that unlike the traditional view of intelligence being fixed, some components linked to IQ scores might be pliable and influenced by cognitive skills like working memory.

How Working Memory Impacts Aspects of Intelligence

Working memory is vital for many tasks that are commonly used to assess intelligence. Its capacity and efficiency can directly impact your ability to:

  • Follow complex instructions: Holding multiple steps in mind.
  • Solve problems: Manipulating information mentally to find solutions.
  • Understand reading comprehension: Remembering earlier parts of a text while reading the current section.
  • Perform mental arithmetic: Keeping numbers and operations active while calculating.
  • Reason logically: Holding premises in mind while drawing conclusions.

Therefore, improvements or differences in working memory capacity and function can influence performance on tests and tasks that measure these aspects of intelligence.

Research Insights on Working Memory and IQ

Recent scientific findings challenge the notion that IQ is solely "baked into our DNA at birth." As the reference states:

While scientists have always argued that IQ is baked into our DNA at birth, new research is finding that certain aspects of intelligence are influenced by working memory, a cognitive skill that can be exercised.

This indicates a shift in understanding, acknowledging that modifiable cognitive skills like working memory contribute to variations in intellectual capabilities measured by IQ.

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