Middle Paleolithic tools were not static for 300,000 years; technologies changed repeatedly. The “Upper Paleolithic Revolution” was gradual and regional: blades, ornaments, long-distance exchange, cave art and music appeared at different times. A major human genetic bottleneck is dated to around 70,000 years ago, while the main European transition around 50,000–40,000 years ago came later. The video’s proposed link is a hypothesis, not an established coincidence. HARs are segments with accelerated human-lineage change, not wholly human-only sequences, and they did not all arise in that recent window.
Human bottleneck predates the main Upper Paleolithic transition
Key facts
- Middle Paleolithic stone-tool technologies changed repeatedly; they did not remain unchanged for roughly 300,000 years.
- The Upper Paleolithic Revolution was gradual and regionally uneven. Blades, ornaments, long-distance exchange, art and music appeared at different times rather than in one sudden package.
- A major human effective-population bottleneck is commonly dated to around 70,000 years ago, while the main European Upper Paleolithic transition around 50,000–40,000 years ago came later. The video’s proposed coincidence is not an established result.
- Human accelerated regions are genomic segments with unusually rapid change along the human lineage. Their underlying sequences are not unique to humans, and their evolutionary histories are too varied to assign them all to the Upper Paleolithic.
- Acceleration in these regions does not by itself demonstrate selection, nor are all HAR-derived variants necessarily fixed in every modern human lineage.
Sources
sciencedaily.com
Linked in video description
med.virginia.edu
Linked in video description
Behavioral modernity - Wikipediaen.wikipedia.org
The late Upper Paleolithic model hypothesizes that modern human behavior arose through cognitive, genetic changes in Africa abruptly around 40,000–50,000 years ...
Exploration of "behavioral modernity” and “modern human behavior” in ...anthropol.ac.cn
The Upper Paleolithic revolution[J]. A single-species model for the origins of modern human behavior in Europe[J].
Modernity, Enhanced Working Memory, and the Middle to Upper ...journals.uchicago.edu
Modernity has been described in various ways: symbolic behavior (including language), gendered division of labor, managed foraging, material innovation, and so ...
The revolution that still isn't: The origins of behavioral complexity in ...sciencedirect.com
At a time when human behavioral 'modernity' was inexorably linked to the Middle to Upper Paleolithic transition in Europe, McBrearty and Brooks (2000) blazed ...
Questioning the gap between anatomical and behavioral modernitydienekes.blogspot.com
It concludes that behavioral modernity and allied concepts have no further value to human origins research. Research focused on the strategic ...
Expedition Magazine | Paleolithic Archaeologypenn.museum
The Upper Paleolithic is usually defined in terms of blade tools (endscrapers and burins), bone tools (such as bone points and harpoons), and unequivocal ...
Was this story useful?
Keep exploring
Every site on this page sits on the globe, and the people who research them are on the Discord.
3D Globe · Sites by country · Story Archive · Research Library · Weekly Journal · Search
AI-generated text · images from the original sources · always verify with the sources.