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Limb position sense and sensorimotor performance under conditions of weightlessness

Weber, Bernhard and Proske, Uwe (2022) Limb position sense and sensorimotor performance under conditions of weightlessness. Life Sciences in Space Research, 32, pp. 63-69. Elsevier. doi: 10.1016/j.lssr.2021.11.003. ISSN 2214-5524. (In Press)

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Official URL: https://doi.org/10.1016/j.lssr.2021.11.003


This is a review of the current state of knowledge of the effects of weightlessness on human proprioception. Two aspects have been highlighted: the sense of limb position and performance in sensorimotor tasks. For the sense of position, an important consideration is that there probably exists more than one sense: one measured in a blindfolded, two-limb position matching task, the other, by pointing to the perceived position of a hidden limb. There is evidence that these two senses are supported by distinct central projection pathways. When assessing the effects of weightlessness this must be considered. Whether there is a role for vestibular influences on position sense during changes in gravitational forces is an issue for future experiments. A consideration that has proved helpful for the study of sensorimotor tasks under conditions of weightlessness is to examine the performance of subjects who have lost their proprioceptive senses, either congenitally, or later in life, as a result of disease. In weightlessness, normal subjects appear to have particular difficulties with feedback-controlled tasks. A major factor is the influence of vision on performance. In addition, the stress of working in a weightless environment leads to additional cognitive load, making the execution of even simple everyday tasks difficult.

Item URL in elib:https://elib.dlr.de/145935/
Document Type:Article
Title:Limb position sense and sensorimotor performance under conditions of weightlessness
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Weber, BernhardBernhard.Weber (at) dlr.dehttps://orcid.org/0000-0002-7857-0201
Journal or Publication Title:Life Sciences in Space Research
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
DOI :10.1016/j.lssr.2021.11.003
Page Range:pp. 63-69
Status:In Press
Keywords:Weightlessness, Microgravity, Proprioception, Sense of position, Muscle spindle, Sensorimotor performance
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Robotics
DLR - Research area:Raumfahrt
DLR - Program:R RO - Robotics
DLR - Research theme (Project):R - Intelligent Mobility (RM) [RO]
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics (since 2013) > Cognitive Robotics
Deposited By: Weber, Dr. Bernhard
Deposited On:22 Nov 2021 10:20
Last Modified:09 Dec 2021 13:21

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