Everything About Human Intelligence Explained Slowly (For Sleep)

Cosmo Explains Psychology

Cosmo Explains Psychology

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What does it actually mean to be intelligent? This video explores the fascinating science and history of human intelligence, from the first IQ tests and Spearman’s g factor to fluid and crystallized intelligence, brain networks, genetics, environment, and the Flynn Effect.

We’ll also look at how intelligence changes throughout life, what neuroscience tells us about the brain, and why no single score can fully capture the complexity of the human mind—all explained slowly and calmly.

Resources:

Intelligence: New Findings and Theoretical Developments — PubMed
https://pubmed.ncbi.nlm.nih.gov/22233...

Parieto-Frontal Integration Theory of Intelligence — PubMed
https://pubmed.ncbi.nlm.nih.gov/17655...

The Flynn Effect: A Meta-Analysis — PubMed
https://pubmed.ncbi.nlm.nih.gov/24979...

Nature Genetics — Gene Discovery and Polygenic Prediction
https://www.nature.com/articles/s4158...