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Perception

Perception

Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...

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[Research progress on perception and feedback technology in artificial prosthesis].

Bo Zhu¹, Yaqi Chu¹, Xingang Zhao²

¹State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, P.R.China;Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110016, P.R.China;University of Chinese Academy of Sciences, Beijing 100049, P.R.China.

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi = Journal of Biomedical Engineering = Shengwu Yixue Gongchengxue Zazhi

|December 26, 2019

Summary

This summary is machine-generated.

Artificial prostheses are advancing with enhanced perception and feedback functions, moving beyond simple decoration. This technology aims to restore sensory information like touch and force for amputees, improving limb function and safety.

Keywords:

artificial prosthesis electrical stimulation perceptual feedback tactile sensor

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Published on: February 25, 2020

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Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses

Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses

Published on: January 7, 2019

Area of Science:

Biomedical Engineering
Rehabilitation Technology
Neuroprosthetics

Background:

Traditional prostheses offer limited functionality, lacking sensory feedback crucial for natural limb use.
Advanced artificial limbs require sophisticated perception and feedback systems for improved user safety and function.
Sensory information includes position, force, texture, roughness, and temperature.

Purpose of the Study:

To review recent developments in artificial prosthesis perception and feedback technology.
To analyze current sensor applications for acquiring perception signals.
To summarize and evaluate methods for providing sensory feedback to prosthesis users.

Main Methods:

Overview of sensors used for perception signal acquisition in prostheses.
Analysis of signal recognition pathways for sensory information.
Summary and evaluation of feedback methods: force, invasive/non-invasive electrical, and vibration stimulation.

Main Results:

Current sensors for artificial prostheses are detailed, with their application status in prosthetic devices reviewed.
Various feedback mechanisms, including electrical and vibratory stimulation, are analyzed for their efficacy.
Key challenges and future directions in artificial limb sensory technology are identified.

Conclusions:

Significant progress has been made in artificial prosthesis perception and feedback technologies.
Further research is needed to address existing limitations and enhance user experience.
Future trends point towards more integrated and intuitive sensory restoration for amputees.