Can working memory be trained?

Some 'n-back' training studies show improvements in working memory, though there is debate about whether this translates to higher general intelligence.

Does coffee help working memory?

In moderation, caffeine can improve alertness and focus, which helps the working memory function at its peak capacity.

Working Memory: Your Brain's 'RAM'

The 'RAM' of the Mind

Think of your long-term memory like a hard drive and your working memory like RAM. It has a limited capacity—typically only 5 to 9 'chunks' of information—and it is very easily disrupted. If you've ever walked into a room and forgotten why you were there, your working memory was likely 'overwritten' by a new thought.

In the Context of IQ

Working memory is crucial for reasoning. To solve a difficult math problem, you have to hold the intermediate steps in your mind while you work on the next one. A 'bottleneck' in working memory can make a person seem less intelligent than they actually are, simply because they can't 'hold' all the pieces of a complex problem at once.

Common Challenges

Working memory is highly sensitive to stress, fatigue, and distractions. Conditions like ADHD are often characterized by a lower-than-average working memory capacity relative to other cognitive abilities.

Strategies for Support

Since working memory is limited, the best strategy is to 'offload' it: write things down, use checklists, and break complex tasks into smaller, manageable steps. This 'external' memory allows your brain to focus its processing power on the task at hand.