Compact architecture, real-world tools
Flores connects a compact embodied architecture with a material tool interface. We examine the checkpoint, its operating context, and the limits of scaling.
A compact branch
Flores adds a compact branch to our model family. Its reference checkpoint is LB1, a small-bodied individual of Homo floresiensis from Liang Bua in Indonesia. The original description makes the combination of body and cranial anatomy central to the architecture. We develop the release around that physical configuration. (Brown et al. 2004)
A checkpoint with a measured volume
Kubo and colleagues measured LB1's cranial capacity at 426 cubic centimetres. Our Flores model card uses that volume as the input to a primate scaling equation. The resulting neuron figure is a Hominid extrapolation from one checkpoint. It supplies a consistent display measure across the catalog without turning cranial volume into a test of intelligence. (Kubo et al. 2013; Herculano-Houzel & Kaas 2011)
The material operating record
Stone artifacts attributed to Homo floresiensis provide a material operating record at Liang Bua. The revised chronology distinguishes the 100,000–60,000-year-old skeletal remains from artifacts spanning approximately 190,000–50,000 years ago. Keeping these records separate lets us describe tool use with its archaeological context attached. (Sutikna et al. 2016)
Developing across architecture space
The development implication is a broader architecture space. A compact body can be considered together with the useful operations supported by external materials. Flores contributes that combination to the family; comparative claims about learning, language, and reasoning require evidence that a cranial measurement cannot provide. Read the checkpoint, the material record, and the deployment assumptions together.
References
- Brown, P. et al. A new small-bodied hominin from the Late Pleistocene of Flores, Indonesia. Nature 431, 1055–1061 (2004). doi:10.1038/nature02999
- Herculano-Houzel, S. & Kaas, J. H. Gorilla and Orangutan Brains Conform to the Primate Cellular Scaling Rules: Implications for Human Evolution. Brain, Behavior and Evolution 77, 33–44 (2011). doi:10.1159/000322729
- Kubo, D., Kono, R. T. & Kaifu, Y. Brain size of Homo floresiensis and its evolutionary implications. Proceedings of the Royal Society B 280, 20130338 (2013). doi:10.1098/rspb.2013.0338
- Sutikna, T. et al. Revised stratigraphy and chronology for Homo floresiensis at Liang Bua in Indonesia. Nature 532, 366–369 (2016). doi:10.1038/nature17179