N-back training: does it really improve fluid intelligence?
N-back training is one of the most-studied and most-contested cognitive interventions. Here is what the evidence shows about transfer to working memory and IQ.
BrightYears vs. Lumosity: an honest comparison
Lumosity is the most-downloaded brain-training app and was fined by the FTC in 2016. BrightYears is newer and more focused. Here is the honest comparison.
BrightYears vs. BrainHQ: an honest comparison
BrainHQ has 300+ studies and the strongest research base in the category. BrightYears is shorter, simpler, and built for daily use. Which is right for you?
The ACTIVE trial: what cognitive training actually showed
The ACTIVE trial is the strongest evidence in cognitive training. Speed-of-processing training cut dementia risk by 29 percent at ten years. Here is what to know.
Is brain training a scam? An honest look at what the evidence shows
Brain training is not a scam, but the marketing has been one. Here is what the science actually supports, what it doesn't, and how to tell the difference.
The best memory training apps in 2026, honestly evaluated
An evidence-based ranking of the best memory training apps in 2026 (BrainHQ, Lumosity, Peak, Elevate, CogniFit, BrightYears) by research and use case.