Research & Knowledge
Peer-reviewed science, population genetics and ancestral knowledge — and how it all connects to the personality system that no competitor has built.
Every Prismé personality type is grounded in published scientific research. The eye colour genetics come from genome-wide association studies published in Nature, Science Advances and Human Genetics. The haplogroup lineages are drawn from ancient DNA studies by Uppsala University, the University of Copenhagen and UiT The Arctic University of Norway. The ancestral mythology is drawn from documented oral and written traditions of each lineage. Prismé Insights exists to make that research legible — connecting the published science to the lived experience of identity, personality and heritage.
How a Single Genetic Event 6,000–10,000 Years Ago Shaped the Northern European Personality
Between 6,000 and 10,000 years ago, a single mutation in the HERC2 gene near the OCA2 promoter switched off melanin production in the iris of one person. Every blue-eyed human alive today carries that same change. This is the genetic event at the heart of the Prismé system.
Research Sources
· Eiberg et al. (2008), Human Genetics
· Science Advances (2021), 195,000-person GWAS study
What Scandinavian Population Genetics Reveals About the Northern European Personality
Haplogroup I1 — found in 35–40% of Swedish males and carried across Northern Europe by Viking Age expansion — is the dominant paternal lineage of Scandinavia. Published research from Uppsala University, the University of Copenhagen and UiT Arctic University of Norway illuminates what this lineage carried beyond geography.
Research Sources
· Eupedia Haplogroup I1 Analysis
· Margaryan et al. (2020), Nature — 442 Viking samples
· Uppsala University Mesolithic Scandinavia Study (2018), PLOS Biology
Further Research
Published Research from Copenhagen and Norway on the Genetics of Iris Pigmentation
Teams at the University of Copenhagen and UiT The Arctic University of Norway have published landmark studies on predicting eye colour from DNA in Scandinavian populations. Their findings illuminate the specific genetic architecture that Prismé uses as its scientific foundation.
Research Sources
· Meyer et al. (2021), Genes — EC11 SNP Set
· Salvo et al. (2023), Genes — OCA2-HERC2 Norwegian Study
· ScienceDirect (2018) — Swedish Phenotype Prediction
What Ancient DNA from 9,500-Year-Old Hunter-Gatherers Tells Us About Who We Are
Uppsala University researchers sequenced the genomes of seven Mesolithic Scandinavian hunter-gatherers. Their findings reveal that the light pigmentation traits concentrated in modern Scandinavia appeared specifically in these early populations — and what that means for personality lineage.
Research Sources
· Uppsala University / PLOS Biology (2018) — Population genomics of Mesolithic Scandinavia
From OCA2 and HERC2 to Ancestral Temperament — The Complete Scientific Picture
A genome-wide association study involving nearly 195,000 individuals identified 50 previously unknown genetic loci for eye colour. This is the largest study of its kind ever conducted. Here is what it confirms about the genetic architecture underlying the Prismé framework.
Research Sources
· Science Advances (2021) — GWAS 195,000 individuals
· Nature Journal of Human Genetics — OCA2-HERC2 genotype-phenotype associations
What the Largest Viking Genetic Study in History Reveals About Ancestral Personality
In 2020, researchers analysed 442 ancient Viking remains from 80 archaeological sites across Europe — the largest study of its kind ever conducted. The findings upend popular assumptions about Viking identity and illuminate the real genetic and psychological legacy of Norse ancestry.
Research Sources
· Margaryan et al. (2020), Nature — 442 Viking World individuals
· University of Leicester (2020), European Journal of Human Genetics — Norse Viking dispersal lineages
Apply the research to your own profile
The science in these insights powers the 26 personality types in the Prismé system. Discover which type yours is.
Take the Quiz — Free