Technical reasoning bolsters cumulative technological culture through convergent transformations

Area of Science:

• Evolutionary Anthropology
• Cognitive Science
• Human Origins

Background:

• Human technological evolution is central to understanding human origins.
• Existing theories emphasize blind copying and selective retention for technological advancement.
• An alternative hypothesis suggests technical reasoning facilitates high-fidelity transmission and cumulative culture.

Purpose of the Study:

• To test competing hypotheses on technological evolution: blind copying versus technical reasoning.
• To investigate the role of technical reasoning in high-fidelity transmission and cumulative culture.
• To understand how individuals optimize physical systems under information constraints.

Main Methods:

• A microsociety experiment was conducted with human participants.
• Participants were tasked with optimizing a physical system.
• Transmission conditions involved partial and degraded information.

Main Results:

• The physical system demonstrated improvement across generations.
• Participant understanding of the system increased over time.
• Solutions progressively converged towards optimal outcomes.
• Evidence supports technical reasoning as a driver of convergent evolution.

Conclusions:

• Technical reasoning significantly enhances high-fidelity transmission in cultural evolution.
• Convergent transformations, facilitated by reasoning, are key to technological progress.
• This highlights the reconstructive role of technical reasoning in cumulative technological culture.