Social context segmentation analysis in a primate model of Autism Spectrum Disorder

A03Social context segmentation analysis in a primate model of Autism Spectrum Disorder

 Social interaction is a dynamic process in which multiple autonomous agents communicate each other via exchanges their internal state such as emotions and intentions. Based on recent advance in computational technology, without simplified hypothesis verification and condition control, it has become possible to approach the interactive dynamics itself.

 There are major progresses in the natural language analysis, such as extraction of morphemes, and constructive reproduction of free conversation. However, the computational understanding of nonverbal communication has not been revealed, but that is possibly a universal framework leading to humans and other social animals.

 In this research, we will conduct research on the following points:
 1. Development of free moving body motion capture system
 We will develop marker less motion capture system based on dynamic estimation of skeleton model by using spatial scanning with depth camera, and obtain the detail time sequence of body part trajectory and angles.
 2. Context segmentation analysis of behavioral sequence
 Applying unsupervised morphological analysis, we will extract meaningful segment units and their transitions from the behavior time series data.

 As a verification system, this measurement / analysis method is implemented in a model animal which is controlled local neural circuit activity. By computational describing the influence of neural dysfunction on social nonverbal communication in the model, we aim to contribute for understanding and support of neurodevelopmental disorders with social disability like autism spectrum disorders.

Researcher

  • Koki Mimura

    Project Leader

    Koki Mimura

    QST NIRS

    Researcher

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  • Takafumi Minamimoto

    Collaborator

    Takafumi Minamimoto

    QST NIRS

    Team Leader

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  • Jumpei Matsumoto

    Collaborator

    Jumpei Matsumoto

    Toyama University

    Assistant Professor

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  • Daichi Mochihashi

    Collaborator

    Daichi Mochihashi

    The Institute of Statistical Mathematics

    Associate Professor

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  • Kenichiro Shimatani

    Collaborator

    Kenichiro Shimatani

    The Institute of Statistical Mathematics

    Associate Professor

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