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2022 Fiscal Year Annual Research Report

A three-dimensional quantitative study of social learning and ceramic style formation in Japanese prehistoric pottery makers

Research Project

Project/Area Number 22F22001
Allocation TypeSingle-year Grants
Research InstitutionKyushu University

Principal Investigator

溝口 孝司  九州大学, 比較社会文化研究院, 教授 (80264109)

Co-Investigator(Kenkyū-buntansha) LOFTUS JAMES  九州大学, 比較社会文化研究科(研究院), 外国人特別研究員
Project Period (FY) 2022-09-28 – 2025-03-31
KeywordsLearning strategies / idiosyncratic variance / geometric morphometrics / ethnographic comparison / Yayoi period / Kofun period
Outline of Annual Research Achievements

This study aims to provide quantifiable measures of the variable human learning strategies and idiosyncratic variance in prehistoric pottery communities in Japan. Previous international and domestic studies have not accurately quantified learning strategies using complex statistical or 3D methodology, which this study aims to achieve. The study utilizes a newly developed geometric morphometric statistical package in R, along with novel 3D technologies. The Yayoi and Kofun periods in Japan are being compared to modern ethnographic evidence in both Japan and other countries, serving as a case study for this project.

Current Status of Research Progress
Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

The project was initially planned to dedicate a considerable amount of time to the collection of 3D data using novel 3D scanning technologies. Unfortunately, due to the prolonged COVID-19 pandemic, not enough samples could be collected. As a result, the fellow had to acquire Yayoi burial jar data and data of burial jars dating from the Edo period as an alternative. The latter data can be compared to ethnographic records in the form of historical documents, which enabled the fellow to analyze the data from the perspective of technological learning and knowledge sharing. This development has also been fed back into the fellow's attempt to bridge ethnographic data and archaeological recognizable traces of production. In all, the project has made a satisfactory progress despite the pandemic.

Strategy for Future Research Activity

To further the progress of the project, the fellow needs to concentrate on collecting further data from the Kofun period Sue ware kiln sites. The goal is to acquire more 3D data and perform a comprehensive analysis of the Sue ware kiln sites. This analysis will help the fellow to compare the learning strategies adopted in the production of Yayoi burial jars, Edo period burial jars, and Sue ware. Each of these production styles has its own contextual characteristics, and by analyzing the differences, it will be possible to reconstruct the evolutionary trajectory of technological learning strategies.

  • Research Products

    (2 results)

All 2022

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results)

  • [Journal Article] Reexamining Ceramic Standardization During Agricultural Transition: A Geometric Morphometric Investigation of Initial???Early Yayoi Earthenware, Japan2022

    • Author(s)
      Loftus James Frances
    • Journal Title

      Open Archaeology

      Volume: 8 Pages: 1249~1268

    • DOI

      10.1515/opar-2022-0273

    • Peer Reviewed / Open Access
  • [Journal Article] Visualizing Variability in Ceramic Micro-Curvature though Novel 3D Morphometric Mapping and Sliced Segmental Extraction2022

    • Author(s)
      Loftus III James Frances、Seguchi Noriko
    • Journal Title

      Journal of Computer Applications in Archaeology

      Volume: 5 Pages: -

    • DOI

      10.5334/jcaa.89

    • Peer Reviewed / Open Access

URL: 

Published: 2023-12-25  

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