Brain & IQ Blog

A deep dive into pattern recognition, abstract reasoning, and why visual tests are popular online.

How do visual online tests compare to classic psychometric assessments?

Reliability, item variety, and what to watch out for when choosing an online test.

What the science says about brain training, fluid intelligence, and practice effects.

Practical drills and strategies to expand your working memory capacity.

How spaced repetition and active recall translate to better test performance.

The link between working memory capacity and timed cognitive test scores.

The psychology behind habit-forming cognitive practice and long-term improvement.

The neuroscience behind detecting visual rules and completing matrix sequences.

Structured exercises to sharpen your ability to detect and complete visual sequences.

An accessible overview of ADHD, its subtypes, and how professionals evaluate it.

Many adults don't recognize ADHD in themselves — here are the subtle signs.

How to tell the difference between ADHD inattention and anxiety-driven distraction.

Evidence-informed approaches that help with focus, time management, and task initiation.

What the test measures, how to read your result, and what the score actually means.

The scoring model, question categories, and how your result is normalized.

How we write, what sources we use, and our commitment to responsible framing.

This site is not a clinical tool. Read about the scope and limitations of our assessments.