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The science: Your IQ level is not fixed
The consistency of an individual’s IQ scores over time has been interpreted as showing that IQ is stable over time. But evidence shows that intelligence (IQ) can change over time as a function of a person’s learning and life experiences (for reviews, see Flynn, 2000; Nisbett, 2009). This evidence is supported by research on neuroplasticity showing that the brain is highly plastic and changeable in its circuitry.
The science tells us there are two ways in which an individuals’ IQ can change based on life chances:
A positive feedback loop
Children, students or employees who have initially higher IQs may be ‘streamed’ or find themselves in high IQ environments. This results in access to more resources, more stimulation, better instruction, which in term results in increases in IQ over time. This is called a positive feedback loop, and these loops can increase IQ level over time.
Shaywitz and colleagues (1995) have shown that a child with an IQ of 120 in first-grade will tend to have an IQ of 135 by fifth-grade; conversely, a child with an IQ of 80 in first grade will tend to have an IQ of 74 by fifth grade.
Brain training – rapid neuroplasticity change
In 2008, for the first time in over 40 years of research, a team of psychologists at the University of Bern in Switzerland and the University of Michigan in the USA, led by Dr. Susanne Jaeggi, demonstrated to the scientific community that a simple brain training exercise, practiced for 20-25 minutes each day for 20 days, could substantially improve both short term memory and intelligence.
Increasing intelligence is possible after all …with more training leading to greater gains …across the spectrum of abilities.
Robert Sternberg, Professor of Psychology
The only effective brain training in over 40 years of scientific research
It is only due to recent insights from cognitive psychology about the functioning of working memory – a short term memory system for processing information - that scientists have now developed an effective brain training exercise for increasing IQ and memory capacity.
Relationships between working memory and different cognitive functions and brain regions according to brainSCANr are shown below.
HighIQPro training targets working memory capacity and function. The training has widespread effects across many cognitive functions - shown in the diagram to the left - because of central role of working memory in overall cognitive performance and intelligence.
Who are the scientists behind the brain training exercise?
The IQ increasing brain training exercise was developed over many years by cognitive psychologists at the University of Bern in Switzerland and the University of Michigan in the USA. The team, led by Dr. Susanne Jaeggi, published their results in Proceedings of the National Academy of Sciences in 2008. The article can be found by clicking the icon.
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Jaeggi and colleagues demonstrated a dramatic effect of the brain training software on fluid intelligence – the ability to reason and problem solve in novel situations. All official IQ tests measure fluid intelligence either in part or exclusively.
Why is this groundbreaking science?
Historically this is the only known brain training exercise that has been scientifically demonstrated to improve intelligence.
Professor Robert Sternberg. the world’s leading authority on intelligence, has said of this brain training exercise:
Almost 40 years ago, Jensen claimed that, when all is said and done, there is not much one can do to raise people’s IQs. Jaeggi and her colleagues have made an important contribution… by showing that intelligence is trainable to a significant and meaningful degree.
Robert Sternberg, Professor of Psychology
Professor Sternberg’s published article on the HighIQPro training exercise can be found by clicking on the article icon:
Why does HighIQPro work?
The brain training software works by exercising your working memory. Working memory is a short term memory system used to hold in mind a few items of information for a brief time and process this information in order to reason and solve problems while ignoring distracting information. There are different working memory stores for spatial and verbal information. We use working memory when we reason, plan and problem solve.
The working memory-IQ link
People vary widely in their working memory capacity, and that these differences in fact predict general intelligence level as measured by standardized IQ tests. General intelligence depends on working memory because working memory affects a wide range of complex cognitive tasks besides figuring out a tip, involving reasoning problem solving, and making sense of things. We use working memory when we reason, plan and problem solve.
Working memory and general intelligence both share the same brain circuitry – part of the frontal cortex of the brain called the dorsolateral prefrontal cortex. (‘Dorsal’ means up, and ‘lateral’ means to the side – hence ‘dorsolateral’).
How to obtain an IQ increase? The logic
The logic is simple:
- If you can improve your working memory capacity by training it directly, you can increase your intelligence level indirectly.
- There is a ‘transfer effect’ from working memory training to intelligence and IQ.
This graph shows typical increases in working memory capacity (how many items of information you can hold in mind) as a result training with HighIQPro.
How much does IQ improve from training?
In the Jaeggi study, the measure of IQ – a time-limited version of Raven’s Advanced Progressive Matrices – increased by over 40% in just 19 days. There was a training effect on IQ level for people of all starting intelligence levels. This graph shows the IQ gains over number of daily sessions.
This is an enormous effect, and has excited the entire scientific community.
Scientific References
- Jaeggi, S.M., Buschkuehl, M., Jonides, J., & Perrig, W.J. (2008). Improving Fluid Intelligence with Training on Working Memory, Proc Natl Acad Sci USA, 105: 6829–6833.
- Sternberg, R. J. (2008). Increasing fluid intelligence is possible after all. Proc Natl Acad Sci USA, 105, 19: 6791–6792.
- McNab, F., Varrone, A., Farde, L., Jucaite, A., Bystritsky, P., Forssberg, H., & Klingberg, T. (2009). Changes in Cortical Dopamine D1 Receptor Binding Associated with Cognitive Training, Science, 6, 323, 800 – 802.
The Scientific Press
Increasing intelligence is possible after all …with more training leading to greater gains …across the spectrum of abilities. …Almost 40 years ago, Jensen claimed that, when all is said and done, there is not much one can do to raise people’s IQs. Jaeggi and her colleagues have made an important contribution… by showing that intelligence is trainable to a significant and meaningful degree.
I know, there is a huge market of software concerning brain training, IQ-training, and so on. But there is no real scientific evidence that these programs actually work, that is, that they actually boost intelligence or train something else than the task itself, at least in young adults. The … fact that we reliably showed transfer effects after training, and moreover, that we showed transfer to such an important function as fluid intelligence is a very new and exciting finding in our field.
It it is possible that these exercises aid with nerve cell growth or nerve cell function in some way or alter neurological function in some way… The results are exciting and have implications for a wide variety of fields including alzheimer’s and other dementias.
Simple brain exercise can boost IQ
Can mental training improve your intelligence? No video game or mental puzzle has convincingly been shown to work. But now a group of neuropsychologists claims it has found a task that can add points to a person’s IQ – and the harder you train, they say, the more you gain.
Smarten up. Practicing a challenging memory task spurs a surprising intelligence gain
If you’re looking for an intellectual picker-upper that doesn’t come in a pill, remember this: A relatively brief memory-training program jump-starts general reasoning skills and problem-solving proficiency, according to a new study.
Training can increase fluid intelligence, once thought to be fixed at birth .
Can human beings rev up their intelligence quotients, or are they stuck with IQs set by their genes at birth? Until recently, nature seemed to be the clear winner over nurture. …But new research, led by Swiss postdoctoral fellows Susanne M. Jaeggi and Martin Buschkuehl, working at the University of Michigan in Ann Arbor, suggests that at least one aspect of a person’s IQ can be improved by training a certain type of memory.
Plastic brain outsmarts experts.
Crystallized intelligence draws on existing skills, knowledge and experiences to solve problems … Fluid intelligence draws on the ability to understand relationships between various concepts, independent of any previous knowledge or skills, to solve new problems. The research shows that this part of intelligence can be improved through memory training. …General intelligence is a key to determining life outcomes such as academic success, job performance and occupational advancement … Researchers also surmise that this same type of memory training may help children with developmental problems and older adults who face memory decline.