Research & Insights
Peer-reviewed research, neuroscience, and evidence-based insights into human cognitive ability.
How global IQ scores have increased approximately 3 points per decade since the 1930s, and what this tells us about nutrition, education, and the changing demands of modern environments.
Read More →Separating fact from fiction about cognitive assessments and their real-world predictive validity. A clear-eyed look at what the science actually supports.
Read More →Studies using fMRI and EEG reveal structural and functional differences in high-IQ brains, including greater neural efficiency, expanded working memory networks, and altered default mode connectivity.
Read More →Longitudinal studies from Terman's gifted children to the NLSY97 explore the nuanced relationship between measured intelligence and professional achievement across decades.
Read More →A rigorous breakdown of EQ vs IQ in predicting life satisfaction, leadership effectiveness, and relationship quality — what the empirical evidence actually shows.
Read More →From brain training apps to dual-n-back tasks — a careful review of what actually produces measurable improvements in cognitive performance and what is simply marketing.
Read More →A nuanced, evidence-based look at published research on sex differences in cognitive ability distributions — including mean scores, variance gaps, and domain-specific profiles.
Read More →How omega-3 fatty acids, sleep quality, and micronutrient deficiencies tangibly affect measured intelligence — and actionable changes that yield the most consistent improvements.
Read More →As AI systems surpass human performance on many cognitive benchmarks, leading researchers question what uniquely human intelligence means — and how we should measure it.
Read More →Tracing the evolution of intelligence testing from Alfred Binet's 1905 scales in Paris to today's computerised adaptive assessments and multidimensional cognitive batteries.
Read More →Research suggests gifted individuals may face unique psychological challenges alongside their cognitive strengths — from heightened emotional sensitivity to difficulties in social belonging.
Read More →A careful examination of cross-national IQ data, its substantial methodological limitations, and the overwhelming role of socioeconomic, nutritional, and educational factors in driving observed differences.
Read More →Ready to Know Yours?
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