The relatively short lifespans of non-human great apes might explain why their brain mass is maintained later in life.
Sources
- Anatomy articles within Nature (nature.com)
- https://www.pnas.org/doi/10.1073/pnas.2609260123 (pnas.org)
- https://www.natureworldnews.com/articles/73533/20261015/chimpanzee-gorilla-brains-show-little-age-related-weight-loss-unlike-human-brains-after-45-50.htm (natureworldnews.com)
- https://pmc.ncbi.nlm.nih.gov/articles/PMC3156199 (pmc.ncbi.nlm.nih.gov)
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