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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NeuroscienceCan Trauma or Stress Reduce IQ? Understanding Cognitive EffectsChronic stress shrinks the hippocampus by up to 8%, and children with 4+ ACEs score 5-15 IQ points lower than peers. Explore how trauma, cortisol, and PTSD...#trauma and IQ#PTSD intelligence#stress cognitive effects#emotional challenges#Brain HealthNovember 28, 2025·17
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
Gifted & TalentedThe Psychology of Genius: What Makes Minds Extraordinary?What separates genius from high intelligence? Simonton's research shows creative output peaks at IQ 120-130, while Ericsson's 10,000-hour rule remains hotl...#genius psychology#Genius Level IQ#extraordinary minds#genius characteristics#high intelligence traitsNovember 26, 2025·17
Cognitive PsychologyPersonality Types and IQ: What Science SaysResearch reveals that Openness to Experience correlates r = 0.30-0.35 with IQ, while MBTI Intuitive-Thinking types average 115-130 on standardized tests. E...#personality types#MBTI intelligence#Big Five traits#psychology#intelligenceNovember 25, 2025·16
Cognitive PsychologyWhy Some High-IQ People Fail at RelationshipsWhy do brilliant minds often struggle with intimacy? Explore emotional asynchrony, Dabrowski's overexcitabilities, and the unique relationship challenges f...#High IQ#relationships#emotional challenges#Social Intelligence#communication skills#Dabrowski#overexcitabilities#emotional asynchronyNovember 24, 2025·15
Cognitive PsychologyIntroverts, Extroverts, and Intelligence, Is There a Connection?Do introverts have higher IQs than extroverts? Explore the neuroscience of arousal theory (Eysenck), Susan Cain's introvert research, and how personality s...#introversion#extroversion#personality types#Big Five traits#intelligence#arousal theory#Susan CainNovember 23, 2025·15
Career IntelligenceCan You Be Successful Without a High IQ?IQ explains only 25% of career success at most. Explore the research on grit (Angela Duckworth), emotional intelligence (Daniel Goleman), and the real fact...#Success#success predictors#Career Success#intelligence#Practical Intelligence#grit#emotional intelligenceNovember 22, 2025·14
Brain TrainingThe Link Between Fitness and Cognitive AbilityHow does exercise boost IQ-related cognitive abilities? Explore the science of BDNF, aerobic vs. resistance training, and John Ratey's Spark research on ho...#fitness#exercise and cognition#Brain Health#Cognitive Performance#cognitive development#BDNF#neurogenesisNovember 21, 2025·15
Brain TrainingSleep, Memory, and IQ: The 8-Hour SecretNeuroscientist Matthew Walker's research shows that sleep deprivation can reduce IQ-equivalent cognitive performance by up to 15 points. Here is how each s...#Sleep Quality#sleep and IQ#memory consolidation#sleep and cognition#Brain HealthNovember 20, 2025·15
Brain Training5 Brain Exercises Proven to Strengthen Working MemoryStep-by-step instructions for five research-backed working memory exercises - dual n-back, digit span, method of loci, chunking, and mindfulness - with d...#Working Memory#brain exercises#memory training#Cognitive Training#Brain ExerciseNovember 19, 2025·16
Brain TrainingHow to Train Your Brain Like a Chess GrandmasterChess grandmasters like Kasparov store 100,000+ board patterns and use deliberate practice to sharpen working memory, pattern recognition, and strategic re...#chess training#Brain Training#strategic thinking#Cognitive Training#Problem SolvingNovember 18, 2025·14
Brain TrainingCan Meditation Really Improve Intelligence?fMRI studies reveal that mindfulness, TM, and focused attention meditation increase gray matter density and improve working memory by up to 16%. Here is wh...#meditation#mindfulness#IQ Improvement#Cognitive Enhancement#mental trainingNovember 17, 2025·14Browse by topic
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