The Stroop test, working memory tasks, and mental rotation assessments are three of the most widely used tools in cognitive neuroscience and for good reason. Each one measures a distinct pillar of brain performance. Here is what they reveal about your mind, why researchers trust them, and how you can train each one.
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The N-Back Effect: Why 20 Minutes of Brain Training Can Change Your Week
The N-Back task is one of the only brain training exercises with peer-reviewed evidence for improving fluid intelligence — not just performance on the task itself. Here’s the science, what it changes, and why 20 minutes a day is enough.