Design and Use of an Apparatus for Presenting Graspable Objects in 3D Workspace

作者： Kedi Xu1,2,3, Junjun Chen1,2, Guanghao Sun1,2, Yaoyao Hao1,3, Shaomin Zhang1,2,3, Xingchen Ran1,2, Weidong Chen1,2, Xiaoxiang Zheng1,2,3 1Qiushi Academy for Advanced Studies,Zhejiang University, 2Department of Biomedical Engineering,Zhejiang University, 3Key Laboratory of Biomedical Engineering of Ministry of Education,Zhejiang University

简介：

Overview

This article presents a protocol for constructing an automatic apparatus designed to guide monkeys in performing a flexible reach-to-grasp task. The apparatus integrates a 3D translational device with a turning table, allowing for the presentation of multiple objects in various positions within 3D space.

Key Study Components

Area of Science

• Neuroscience
• Behavioral Research
• Engineering

Background

• Research on the neural mechanisms of reach and grasp has been extensive.
• Few devices exist that allow for flexible combinations of these movements in a single task.
• The integration of a turning table and a 3D translational device is novel.
• This apparatus can enhance the study of upper limb function and its neural underpinnings.

Purpose of Study

• To develop a device that allows trial-wise combinations of object positions and shapes.
• To facilitate the simultaneous reconstruction of reaching and grasping movements.
• To provide a platform for studying brain-machine interfaces.

Methods Used

• Construction of the apparatus using Y rails and a connecting shaft.
• Securing the structure with screws for stability.
• Utilizing a custom turning table for object presentation.
• Implementing a 3D translational device for movement flexibility.

Main Results

• The apparatus successfully allows for the manipulation of objects in 3D space.
• It enables the study of upper limb movements in a controlled environment.
• Facilitates research on the neural principles of reaching and grasping.
• Provides a valuable tool for brain-machine interface studies.

Conclusions

• The developed apparatus is a significant advancement for neuroscience research.
• It offers new opportunities for understanding motor control and neural mechanisms.
• This tool can enhance the study of complex motor tasks in primates.

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