INTELLIGENCE RESEARCH HUB
Intelligence, with the sources attached.
Evidence-based articles on cognitive psychology, neuroscience, intelligence assessment and brain training. Every claim names the study behind it.
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FEATUREDSenior CognitionThe Science Behind Cognitive Decline in Seniors: What to KnowThe Lancet Commission identified 14 modifiable risk factors that account for up to 45% of dementia cases worldwide. Explore the science of normal aging vs....January 14, 2026·13 min readRead article →
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Intelligence ResearchIs IQ Inherited from Your Parents?How much of your IQ actually comes from your parents? Explore twin studies, heritability data, and the surprising ways genetics and environment shape intel...#iq inheritance#heredity intelligence#nature vs nurture IQ#genetics and iq#genetic intelligenceDecember 29, 2025·15
Intelligence ResearchThe Flynn Effect Explained SimplyYour grandparents would score about 15-20 IQ points lower on today's tests - not because they were less capable, but because of the Flynn effect. Here is...#Flynn Effect#generational IQ#intelligence trends#IQ Score Increases#score drift#reverse Flynn effectDecember 27, 2025·15
Intelligence ResearchPillar #2 – The Science of IntelligenceThe science of intelligence, explained: the g-factor, CHC theory, what brain imaging shows, and how genetics and environment shape IQ scores.#intelligence#Cognitive Science#Intelligence Research#IQ#Intelligence Quotient#g-factor#CHC theoryDecember 24, 2025·16
Intelligence ResearchGenetics of IQ: How Much Is Inherited?How much of IQ is genetic? Twin studies estimate 40-80% heritability. Explore GWAS findings, gene-environment interaction, epigenetics, and what heritabili...#iq inheritance#heredity intelligence#nature vs nurture IQ#genetic intelligence#genetics and iq#twin studies#GWASDecember 7, 2025·14
Intelligence ResearchEducational Interventions That Raise Cognitive ScoresReview the strongest evidence for educational interventions that raise IQ: Head Start, Perry Preschool, the Abecedarian Project, music training, and biling...#educational interventions#iq raising education#education strategies#Cognitive Enhancement#learning enhancementDecember 6, 2025·20
Intelligence ResearchWhy Intelligence Research Remains ControversialFrom the Bell Curve debate to race-IQ disputes and test bias allegations, explore why intelligence research remains one of science's most contested fields...#IQ controversy#Intelligence Research#psychology ethics#IQ test bias#intelligence studiesDecember 4, 2025·18
Intelligence ResearchHistory of IQ Testing: From Binet to Modern AI ScoringFrom Alfred Binet's 1905 scale for French schoolchildren to AI-powered adaptive testing, trace 120 years of IQ test history through the key milestones, con...#Intelligence Testing History#Alfred Binet#IQ Test Origins#Binet intelligence test#AI IQ scoringDecember 2, 2025·16
Intelligence ResearchAre Men Really Smarter Than Women? Data vs MythWhat does 100+ years of IQ research actually say about sex differences in intelligence? We examine the greater male variability hypothesis, domain-specific...#gender and IQ#male female intelligence#intelligence gender gap#gender IQ differences#Intelligence ResearchNovember 29, 2025·14
Intelligence ResearchHow Socioeconomic Background Influences IQ ScoresChildren from low-SES families score 12-18 IQ points lower on average. Research on Head Start, Perry Preschool, and the Abecedarian Project reveals how pov...#socioeconomic status#SES and cognition#environmental factors intelligence#education#IQ test biasNovember 27, 2025·16
Intelligence ResearchIQ Bias and Fairness: Advancing Fair Intelligence TestingExamine how cultural bias, socioeconomic disparities, and structural factors affect IQ test scores. Review key fairness research, DIF analysis methods, and...#IQ test bias#fair testing#test fairness#iq test validity#culture-fair IQ testsNovember 4, 2025·17
Intelligence ResearchAre People Getting Smarter? The Flynn Effect DebateIQ scores rose by roughly 30 points over the 20th century - a phenomenon called the Flynn Effect. Explore James Flynn's landmark research, country-by-count...#Flynn Effect#generational IQ#intelligence trends#IQ Score Increases#Intelligence ResearchOctober 31, 2025·18
Intelligence ResearchCulture-Fair IQ Tests: Do They Really Reduce Bias?Explore how culture-fair IQ tests like Raven's Matrices and Cattell's CFIT attempt to reduce cultural bias, what cross-cultural research reveals about thei...#culture-fair IQ tests#IQ test bias#fair testing#test fairness#iq test validityOctober 25, 2025·14Browse by topic
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