By Jagadish Mokashi | JM MindMint
Some people seem to learn new skills quickly. Others become highly capable through years of practice. This often leads to a familiar question: is intelligence something we are born with, or can it develop through learning and experience?
The evidence points to a more balanced answer. Cognitive abilities are influenced by both genetic and environmental factors. People differ in their starting points and in the opportunities available to them, but development is not fixed at birth. Education and experience can influence performance on intelligence tests and many specific skills. At the same time, not every brain-training app or memory game produces a broad increase in intelligence.
To understand what can change, it helps to separate intelligence, talent, knowledge, and learned skill. They are related, but they are not interchangeable.
What Do Psychologists Mean by Intelligence?
Intelligence is a broad psychological construct that includes abilities such as reasoning, learning, problem-solving, understanding complex ideas, and adapting to new situations. Researchers often study general cognitive ability, sometimes called general intelligence or g, alongside more specific abilities such as verbal reasoning, spatial reasoning, memory, and processing speed.
Intelligence tests measure performance on selected cognitive tasks under particular conditions. They can provide useful information, but they do not measure a person’s entire potential, creativity, character, practical judgement, emotional life, or value as a human being.
People may also show different strengths. One person may be skilled at language and abstract reasoning; another may excel at spatial tasks, practical problem-solving, music, or understanding social situations. These abilities can overlap, but no single test captures every form of human capability.
Is Intelligence Inherited or Learned?
Both biology and environment matter. Genetic differences contribute to variation in cognitive abilities, but genes do not operate separately from a person’s surroundings. Nutrition, health, education, stress, family resources, language exposure, and opportunities to learn can all influence development and test performance.
A 2012 review by Nisbett and colleagues discussed evidence that both genetic and environmental factors contribute to intelligence and that the influence of environment can be substantial. The authors also noted that estimates of heritability vary across populations and social conditions. Heritability is a population-level statistic; it does not tell us how much of one individual’s ability is “caused by genes,” and it does not mean a trait cannot change. Read the review in American Psychologist.
It is therefore inaccurate to say either that intelligence is entirely inherited or that effort alone can produce any result. People begin with different combinations of abilities and circumstances. Supportive learning environments can help people develop skills, while barriers such as poor access to education, chronic stress, illness, or lack of resources can limit opportunities.
Can Education Improve Cognitive Ability?
One of the strongest findings is that education can influence cognitive abilities. Ritchie and Tucker-Drob’s 2018 meta-analysis examined 142 effect sizes from 42 data sets involving more than 600,000 participants. Using several quasi-experimental research designs, the authors found evidence that additional years of education can improve performance on cognitive measures. Their estimates suggested gains of approximately one to five IQ points for each additional year of education, depending on the study design and analysis. Read the meta-analysis.
This does not mean that every year of schooling produces the same change for every person. The estimate is an average across different studies and methods. It does show that intelligence-test performance is not simply a fixed number that cannot respond to life experience.
Education can provide structured opportunities to practise reading, reasoning, mathematics, language, memory, and problem-solving. It can also expose people to unfamiliar ideas and help them build knowledge that makes future learning easier.
What Is the Difference Between Intelligence and Talent?
Talent usually refers to an early strength or a comparatively strong performance in a particular activity. Intelligence is broader and concerns a range of cognitive abilities. A person may show an early aptitude for music, mathematics, sport, or language, but developing that aptitude still requires learning, feedback, practice, and opportunity.
Practice matters, but it is not a magic explanation for every difference in performance. Progress depends on the quality of practice, prior knowledge, coaching, motivation, health, resources, and the difficulty of the skill. Some abilities improve quickly with instruction; others require long periods of deliberate work.
It is more useful to ask, “Which skills can I develop, and what support will help me improve?” than to label someone as naturally smart or not smart.
Does Brain Training Make You More Intelligent?
Many apps promise to improve intelligence through puzzles, memory games, or short daily exercises. These activities can make people better at the tasks they practise. The harder question is whether those gains transfer to broader abilities such as reasoning, reading comprehension, or general intelligence.
A 2016 meta-analysis by Melby-Lervåg, Redick, and Hulme examined 87 publications with 145 experimental comparisons of working-memory training. It found improvements on some closely related working-memory tasks, but no convincing evidence that the training reliably improved broader measures such as intelligence, reading comprehension, or arithmetic when compared with active control conditions. Read the meta-analysis.
A 2019 review by Sala and Gobet also found that many cognitive-training programmes showed minimal effects on domain-general cognitive skills. These findings do not mean that learning or practice is useless. They mean that improvement on a particular game should not automatically be presented as proof that a person’s general intelligence has increased. Read the review.
Practising a skill is most likely to improve that skill and closely related abilities. If you want to become better at mathematics, practise mathematical reasoning. If you want to write more clearly, write, revise, and seek feedback. If you want to improve language ability, use the language in meaningful reading, listening, speaking, and writing tasks.
What Neuroplasticity Really Means
Neuroplasticity refers to the nervous system’s ability to change in response to development, experience, learning, and injury. Learning can involve changes in how neural networks function and communicate. This is an important part of how people acquire knowledge and skills.
However, neuroplasticity should not be used as a shortcut explanation for every claim about intelligence. The fact that the brain can change does not prove that any particular exercise increases general intelligence. The type of learning, the amount of practice, the learner’s starting point, and the way improvement is measured all matter.
A realistic view is more encouraging than exaggerated promises: people can learn new things, improve specific abilities, and develop expertise over time, even though the amount and speed of progress differ.
Practical Ways to Support Learning and Thinking
- Study actively. Explain ideas in your own words, solve practice problems, and test what you remember instead of only rereading notes.
- Space your practice. Return to important material over several days or weeks rather than trying to learn everything in one sitting.
- Seek feedback. Use mistakes to identify what you do not yet understand and choose a specific skill to practise next.
- Build knowledge gradually. New reasoning becomes easier when you have a strong foundation of relevant facts, concepts, and vocabulary.
- Protect sleep and health. Fatigue, illness, and stress can affect attention and memory. Healthy routines support the conditions needed for learning.
- Choose meaningful challenges. Select tasks that are difficult enough to stretch your current ability but not so difficult that you cannot make progress.
- Use technology thoughtfully. Digital tools can provide explanations and practice, but try to understand the answer rather than copying it without thinking.
- Be patient. Improvement is not always linear. A difficult week does not mean that you have reached your limit.
For more on learning strategies, explore Educational Psychology: Understanding How the Mind Learns. You can also read our guide to mindset and personal growth.
Intelligence Is Not a Measure of Human Worth
Intelligence tests can be useful in education and psychological assessment, but a score should never be treated as a complete judgement of a person. People contribute through creativity, kindness, practical knowledge, persistence, relationships, cultural understanding, and many other qualities that are not captured by a single number.
People also develop at different rates and in different circumstances. A child who struggles with one subject may be strong in another. An adult returning to education may develop abilities that were not supported earlier in life. Someone who needs extra time or a different learning method may still understand complex ideas deeply.
Conclusion: Develop Skills Without Believing in Magic Fixes
Intelligence is influenced by both inherited differences and life experience. Education can improve cognitive abilities, and people can develop knowledge and skills through meaningful learning. But the evidence does not support the idea that a simple brain game or motivational slogan will automatically raise general intelligence.
The most useful approach is to focus on what can be practised: learning, reasoning, reading, problem-solving, communication, and applying knowledge in real situations. Recognise your strengths, identify the skills you want to improve, and seek the conditions that make learning possible.
You do not need to prove that you are “smart” every day. You can remain curious, keep learning, and improve specific abilities without turning intelligence into a label that defines your worth.
References and Further Reading
- Nisbett, R. E., Aronson, J., Blair, C., Dickens, W., Flynn, J., Halpern, D. F., & Turkheimer, E. (2012). Intelligence: New findings and theoretical developments. American Psychologist, 67(2), 130–159.
- Ritchie, S. J., & Tucker-Drob, E. M. (2018). How much does education improve intelligence? A meta-analysis. Psychological Science, 29(8), 1358–1369.
- Melby-Lervåg, M., Redick, T. S., & Hulme, C. (2016). Working memory training does not improve performance on measures of intelligence or other measures of far transfer. Perspectives on Psychological Science, 11(4), 512–534.
- Sala, G., & Gobet, F. (2019). Cognitive training does not enhance general cognition. Trends in Cognitive Sciences, 23(1), 9–20.
JM MindMint publishes educational psychology content. This article is for general information and is not a substitute for individualized educational or psychological assessment.
About the Author: Jagadish Mokashi is the founder of JM MindMint, where he writes about psychology, human behaviour, digital life, and AI ethics.