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A large study has found evidence that frequent cognitive activity can counteract the detrimental effect of poor education on at least one aspect of age-related cognitive decline -- episodic memory.

A study (“Midlife in the United States”) assessing 3,343 men and women aged 32-84 (mean age 56), of whom almost 40% had at least a 4-year college degree, has found evidence that frequent cognitive activity can counteract the detrimental effect of poor education on age-related cognitive decline.

  • Brain imaging shows that musicians and bilinguals require less effort to perform an auditory working memory task, compared to monolingual non-musicians.

Musicians and people who are bilingual have long been shown to have a better working memory, and a new study makes a start on identifying why this might be so.

  • An animal study shows that following learning with a novel experience makes the learning stronger.
  • A human study shows that giving information positive associations improves your memory for future experiences with similar information.

We know that the neurotransmitter dopamine is involved in making strong memories. Now a mouse study helps us get more specific — and suggests how we can help ourselves learn.

This is just a preliminary study presented at a recent conference, so we can't give it too much weight, but the finding is consistent with what we know about working memory, and it is of some usefulness.

  • A large internet study has concluded that language-learning ability remains strong until about 17-18, however, to achieve native proficiency, you should start before age 10.

It’s long been speculated that there’s a critical period for learning a new language, but the specifics are a matter of debate. It is difficult to follow a sufficient number of language learners through their years of learning.

  • The simple act of repeating something to another person helps you remember it, more than if you just repeated it to yourself.

A Canadian study involving French-speaking university students has found that repeating aloud, especially to another person, improves memory for words.

It has long been known that spacing practice (reviewing learning or practicing a skill at spaced intervals) is far more effective than massed practice (in one heavy session).

  • Implementation plans are a strategy for helping you remember your intended future actions.
  • College students with low WMC performed a prospective memory task at the same level as those with a higher WMC, but only when they used a simple implementation plan.

I've written at length about implementation plans in my book “Planning to Remember: How to Remember What You're Doing and What You Plan to Do”.

  • A small study of young adults found that 10 minutes of light exercise improved memory for details and increased relevant brain activity.
  • Another study found that 15 minutes of more intense exercise after learning a new motor skill resulted in better skill performance a day later.

Ten minutes of light exercise boosts memory

  • A single instance of retrieval, right after learning, is enough to significantly improve your memory, and stop the usual steep forgetting curve for non-core information.

A study involving 60 undergraduate students confirms the value of even a single instance of retrieval practice in an everyday setting, and also confirms the value of cues for peripheral details, which are forgotten more readily.

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