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IQ, Intelligence and Brain Power

Genie: A Feral Child Abused, Neglected, and Isolated

Genie, a feral child discovered in California in 1970, endured years of abuse and isolation. Her case shocked the world, deepened our understanding of language and psychology, and raised lasting ethical questions about how science studies — and cares for — society’s most vulnerable.

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Sep 11, 2025Sue du Plessis
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IQ, Intelligence and Brain Power

Kellogg’s Study: The Ape and the Child

In the 1930s, psychologist Winthrop Niles Kellogg carried out one of the most unusual experiments in psychology: raising his infant son alongside a young chimpanzee. Known as "The Ape and the Child," the study revealed surprising similarities, striking differences, and lasting insights into what makes us human.

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Sep 10, 2025Sue du Plessis
article-featuredEdublox
IQ, Intelligence and Brain Power

Isabelle: The Story of a Child Kept in Extreme Isolation

Born in 1932 and hidden away for six years, Isabelle grew up without sunlight, speech, or social contact. When discovered, she could barely move or communicate. With care and intensive training, however, she made an astonishing recovery — walking, speaking, and thriving within two years. Her story remains one of the most remarkable examples of resilience and late language acquisition in psychology.

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Sep 7, 2025Sue du Plessis
article-featuredEdublox
IQ, Intelligence and Brain Power

Intelligence Testing: Past, Present, and Future

Intelligence testing has long played a central role in education and psychology. What is the origin, the present standing, and what does the future hold?

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Jun 8, 2025Sue du Plessis
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IQ, Intelligence and Brain Power

6 Ways To Exercise Your Brain

Do you spend time at the gym giving your muscles and heart a workout? Well, what about your brain? It needs exercise, too.

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Jan 23, 2025Sue du Plessis
article-featuredEdublox
IQ, Intelligence and Brain Power

The Theory of Multiple Intelligences

The Theory of Multiple Intelligences challenges the traditional view that intelligence is a single, measurable trait.

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May 26, 2024Sue du Plessis
article-featuredEdublox
IQ, Intelligence and Brain Power

Neuroplasticity: 8 Ways to Rewire Your Brain

It was long believed that once we grow up, our brains have a set number of neurons performing functions in a fixed way. In the past two decades, however, neuroscientists have dismantled, piece by piece, the entrenched view that the human brain is fixed and unchanging in adults. A growing number of research publications have illustrated the remarkable ability of the brain to reorganize itself in response to various sensory experiences.

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Jul 2, 2023Sue du Plessis
article-featuredEdublox
IQ, Intelligence and Brain Power

Brain Myths: 10 Neuromyths Set Straight

Brain myths or neuromyths are common misconceptions about the brain, many relating to learning and education. Let's look at ten neuromyths that are still in circulation.

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May 23, 2023Sue du Plessis
article-featuredEdublox
IQ, Intelligence and Brain Power

IQ Test Scores: The Basics of IQ Score Interpretation

“What do you mean my child isn’t gifted — he got 99 on those tests! That’s nearly a perfect score, isn’t it?” “The criteria you handed out says ‘a score in the 97th percentile or above.’ Peter got an IQ score of 97! That meets the requirement, doesn’t it?” Comments like these are not unusual and indicate a complete misunderstanding of IQ test scores.

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May 15, 2023Sue du Plessis
article-featuredEdublox
IQ, Intelligence and Brain Power

Effects of Sleep Deprivation on Brain Function and Health

Impaired sleep reduces performance on many mental tasks. Lack of sleep can cause health problems and dramatically affect the quality of life.

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May 7, 2023Sue du Plessis
article-featuredEdublox
IQ, Intelligence and Brain Power

Alfred Binet: Contributions to IQ Testing and Psychology

Alfred Binet’s most significant contribution to the field of child psychology was the development of the first intelligence test. But there's more.

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Feb 26, 2023Sue du Plessis
article-featuredEdublox
IQ, Intelligence and Brain Power

10 Brain Foods to Boost Memory and Concentration

Research on so-called “brain foods” shows that some chemicals in the foods we eat go right to our brain cells. These ten foods have shown to improve memory and concentration.

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Jan 13, 2023Sue du Plessis
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