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Studying the emergence of human communication systems in the laboratory Bruno Galantucci

Studying the emergence of human communication systems in the laboratory Bruno Galantucci. (. ). (. ). (. ). Haskins Laboratories. Field simulations: a new option for studying the emergence of human communication systems. FIELD STUDIES.

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Studying the emergence of human communication systems in the laboratory Bruno Galantucci

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  1. Studying the emergence of human communication systems in the laboratory Bruno Galantucci ( ) ( ) ( ) Haskins Laboratories

  2. Field simulations: a new option for studying the emergence of human communication systems FIELD STUDIES Studies of Pidgins and Creoles, Nicaraguan sign language, Home-sign-languages BUT… WE DON’T HAVE EXPERIMENTAL CONTROL… COMPUTER SIMULATIONS Language games with artificial agents BUT… HUMANS ARE MUCH MORE COMPLEX THAN ARTIFICIAL AGENTS… Combining the two options: field simulations Put two (or more) humans into a virtual environment that requires them to coordinate their individual actions and… neutralize the use of pre-established communication systems (e.g., speech, writing, body language…)

  3. Player A’s view Player B’s view The basic game The virtual environment The need for coordination find each other with no more than one room change each The communication medium

  4. 1 1 2 5 2 3 3 4 t0 1 1 6 a 1 d 2 2 5 3 4 t0 Motion d c b a 3 c 4 b Longitude & Latitude Sign systems for playing Game 1 Quadrants Corners Icons: # of vertices Icons: shape Longitude

  5. For both players Mapping M1 (e.g., quadrants to # of lines) Game environment Sign system Mapping M2 (e.g., icon vertices to # of dashes) Player A Game environment Sign system Player B How are sign systems established? CONVERGENT UNDERSTANDING SHARED COGNITION Player A’s signing behavior The build-up of SHARED COGNITION learning-by-observing learning-by-using

  6. Communication does not depend only on signs Game map PB’s view PA’s view

  7. Studying communication systems in the laboratory How field simulations can help Media (air, light) When studying a complex system, we can never know in advance what is going to relate to what Task Field simulations allow us to manipulate all that we want… Communication system User User Environment

  8. Environment 5 Environment 3 Environment 4 Game 1 Environment 2 Manipulating the environment: Once emerged… how do communication systems evolve? communication system 1 communication system 2 communication system 3 communication system 4 communication system 1 communication system 3 communication system 5 communication system 2 communication system 4

  9. Communication does not depend only on signs II If in the central column, agents do not move sideways x ? P8 Excessive talking OK performance Excellent performance FAILED! Optimized talking P9 Excellent performance Excellent performance Excellent performance

  10. Sign systems develop parsimoniously 7 8 9 12 10 11 9 8 7 15 14 13 16 P1 P3

  11. 8 10 Sign systems develop creatively P2 P15 P7

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