Evidence and scope
The review by Simons, D. J., et al. (2016) found strong evidence for improvement on trained tasks, less for related tasks and little for broad everyday transfer. Its scope is the reviewed evidence, not a verdict about every future intervention.
AurorIQ’s methodology distinguishes these concepts from its own unvalidated implementation.
"Train your brain, boost your IQ" is one of the most persistent marketing claims in consumer wellness. The honest research picture is considerably more cautious than the marketing, and it's worth understanding exactly where the disagreement lies.
What's not seriously disputed: you get better at the trained task
Repeated practice often improves the practised task. The size and durability of gains depend on the task and training conditions.
What's genuinely contested: whether it transfers
The real disagreement is about transfer, and researchers split it into two kinds. Near transfer is improvement on tasks closely resembling the trained one — practice a memory game, get better at similar memory tasks. Far transfer is the prize the marketing sells: improvement on genuinely different abilities, the broad reasoning capacity that would actually move an IQ score. Near transfer is common; far transfer is where the evidence gets thin and contested.
Evidence should distinguish improvement on the training task from performance on independently assessed outcomes. The review cited above evaluates that distinction.
Active comparison groups help address alternative explanations such as engagement or expectations. Their presence alone does not prove a treatment works; outcome choice, design and replication also matter.
A commercial claim needs evidence specific to the benefit being advertised. An appealing game or citation list is not sufficient.
Where the evidence is somewhat stronger
Not all cognitive-training research lands in the same place. Some narrower, more rigorously controlled studies on specific working-memory training protocols have found modest "near transfer," improvement on tasks closely related to the trained exercise, even when broader "far transfer" to general fluid intelligence remained elusive or inconsistent across studies. The picture is genuinely mixed rather than uniformly negative.
Why transfer is so hard in the first place
Task-specific strategies are one possible explanation for improvement. A training result does not by itself reveal whether a general capacity changed.
How to read a brain-training claim
You don't need to be a psychometrician to pressure-test the marketing. Four questions catch most of the overreach. Was there an active control group? A study comparing trainees to people who did nothing proves far less than one comparing them to people who did an equally engaging but different activity. Did the outcome measure differ from the training? If the "improvement" is measured on a task that looks like the game, that's near transfer wearing a costume. Did it replicate? A single striking finding, especially an early one, means little until independent labs reproduce it. Who funded and published it? Company-run studies with unpublished methods deserve more skepticism than peer-reviewed work by independent groups. A claim that survives all four is worth taking seriously; most don't.
What does have more consistent support
This guide does not rank health interventions or promise protection against cognitive decline. Evaluate those claims using evidence specific to the intervention, population and outcome.
The honest bottom line
If you enjoy brain-training games, there's nothing wrong with playing them for their own sake. Just hold the claim that they'll meaningfully raise your underlying intelligence to a high standard of evidence, because the research, taken as a whole, hasn't clearly cleared that bar yet.
So what actually does improve cognitive performance?
A practical alternative is to practise a skill you actually want to use and evaluate progress on that activity. This is a learning goal, not a treatment or IQ-boosting prescription.
Enjoyment, skill acquisition and broader cognitive transfer are different outcomes. Do not assume that one establishes the others.
AurorIQ is a short educational assessment, not a brain-training treatment. It has not established long-term cognitive benefits from repeated use.
Common questions
Do brain-training apps actually raise IQ?
There is no strong, consistent evidence that commercial brain-training apps produce durable, general increases in IQ. Users typically improve at the specific trained tasks, but that improvement often doesn't transfer broadly to unrelated reasoning ability.
What is the difference between near and far transfer?
Near transfer is improvement on tasks closely resembling the one you trained; it's common and well-documented. Far transfer is improvement on genuinely different abilities — the broad reasoning gain that would move an IQ score. Far transfer is where the evidence is weak and contested.
Does physical exercise help cognitive performance?
This article does not establish the effects of an exercise program. It should not be used to select a health intervention.
Is any kind of cognitive training backed by good evidence?
Some narrower interventions, such as certain working-memory training protocols, show modest near-transfer to closely related tasks in some studies, though results are inconsistent across the research and far-transfer to general intelligence remains contested.