The VIGILFI Blog
Brain science, cognitive tips, and the data behind your test results.
How to Improve Your Reaction Time: 7 Proven Methods
Reaction time is a trainable skill. Learn science-backed methods to shave milliseconds off your response time, from sleep optimization to targeted practice.
Average Typing Speed by Age: What the Data Shows
How fast should you type? We break down average WPM by age group, profession, and experience level. See where you stand and how to improve.
What Is Working Memory? The Science Behind Short-Term Recall
Working memory is your brain's notepad. Learn how it works, why Miller's Law says 7±2 items, and how to expand your cognitive capacity.
Brain Age: What It Actually Means (And What It Doesn't)
Brain age calculators are everywhere. But what does your "brain age" actually measure? We separate science from marketing.
How Your Eyes See Color: The Science of Color Perception
The human eye can distinguish about 10 million colors. Learn how cone cells work, why 8% of men are color blind, and test your own color vision.
Why Chimpanzees Beat Humans at Working Memory Tests
In 2007, Kyoto University proved that young chimpanzees possess eidetic-like trace memory. Learn why humans traded this visual superpower for language processing.
Spatial Reasoning: The Hidden Predictor of Top STEM Performers
Mental rotation and spatial IQ are among the strongest predictors of success in engineering and architecture. What is spatial elasticity, and can it be expanded?
How to Type Faster: 10 Tips From 100+ WPM Typists
Want to break 100 WPM? These field-tested strategies from competitive typists will transform your keyboard speed within weeks.
What Is a Good Reaction Time? Benchmarks by Age & Sport
Is 200ms fast? What about 150ms? We break down reaction time benchmarks across age groups, esports, athletics, and driving.
Do Brain Games Actually Work? What Science Says in 2026
Lumosity, BrainHQ, and dozens of apps promise to make you smarter. We review the peer-reviewed evidence to separate real benefits from hype.
How to Improve Memory: 12 Science-Backed Techniques
From the memory palace to spaced repetition, these evidence-based methods can dramatically boost your ability to remember anything.
Can You Tell AI From Human Writing? A Detection Guide
AI-generated text is getting eerily good. Learn the subtle patterns, tells, and detection strategies that still distinguish machine from human.
Average Reaction Time for Gamers: FPS, MOBA & Esports Data
How fast do pro gamers actually react? We compile reaction time data from CS2, Valorant, League of Legends, and more.
Neuroplasticity: How Your Brain Rewires Itself (Simple Guide)
Your brain is not fixed. Neuroplasticity means it physically changes based on what you do. Here is how it works and how to harness it.
Color Blindness: Types, Tests & What Your Results Mean
About 300 million people worldwide have color vision deficiency. Learn the different types, how to test yourself, and what your results reveal.
Does Sequence Memory Correlate With IQ? Research Review
Working memory and sequential recall are among the strongest predictors of fluid intelligence. We review what the research actually says.
Are Online Cognitive Tests Reliable? A Peer-Review Analysis
Can a browser-based test actually measure your cognition? We examine the validity research behind digital cognitive assessments.