Not by transmission alone: the role of invention in cultural evolution
Abstract
Innovation—the combination of invention and social learning—can empower species to invade new niches via cultural adaptation. Social learning has typically been regarded as the fundamental driver for the emergence of traditions and thus culture. Consequently, invention has been relatively understudied outside the human lineage—despite being the source of new traditions. This neglect leaves basic questions unanswered: what factors promote the creation of new ideas and practices? What affects their spread or loss? We critically review the existing literature, focusing on four levels of investigation: traits (what sorts of behaviours are easiest to invent?), individuals (what factors make some individuals more likely to be inventors?), ecological contexts (what aspects of the environment make invention or transmission more likely?), and populations (what features of relationships and societies promote the rise and spread of new inventions?). We aim to inspire new research by highlighting theoretical and empirical gaps in the study of innovation, focusing primarily on inventions in non-humans. Understanding the role of invention and innovation in the history of life requires a well-developed theoretical framework (which embraces cognitive processes) and a taxonomically broad, cross-species dataset that explicitly investigates inventions and their transmission. We outline such an agenda here.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- May 17, 2021
- Source ID
- 10.1098/rstb.2020.0049
Entities
People
- Alecia J Carter
- Erol Akçay
- Jacob G. Foster
- Marco Smolla
- Sabine Nöbel
- Susan D. Healy
- Susan E. Perry
Organizations
- Agence Nationale de la Recherche
- Army Research Office
- Toulouse Capitole University
- University College London
- University of California, Los Angeles
- University of Montpellier
- University of Pennsylvania
- University of St Andrews
- University of Toulouse (1896-1968)