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Gender bias in the influence of gravity on perception

Harris, Laurence and Felsner, Sandra and Jenkin, Michael and Herpers, Rainer and Noppe, Alexandra and Frett, Timo and Scherfgen, David (2018) Gender bias in the influence of gravity on perception. Vision Sciences Society Annual Meeting, 2018-05-18 - 2018-05-23, St. Pete Beach, Florida. doi: 10.1167/18.10.793.

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Females are influenced more than males by visual cues during many spatial orientation tasks; but females rely more heavily on gravitational cues during visual-vestibular conflict. Are there gender biases in the relative contributions of vision, gravity and the internal representation of the body to the perception of upright? And might any such biases be affected by low gravity? 16 participants (8 female) viewed a highly polarized visual scene tilted ±112° while lying supine on the European Space Agency's short-arm human centrifuge. The centrifuge was rotated to simulate 24 logarithmically spaced g-levels along the long axis of the body (0.04-0.5g at ear-level). The perception of upright was measured using the Oriented Character Recognition Test (OCHART). OCHART uses the ambiguous symbol "p" shown in different orientations. Participants decided whether it was a "p" or a "d" from which the perceptual upright (PU) can be calculated for each visual/gravity combination. The relative contribution of vision, gravity and the internal representation of the body were then calculated. Experiments were repeated while upright. The relative contribution of vision on the PU was less in females compared to males (t=-18.48, p≤0.01). Females placed more emphasis on the gravity cue instead (f:28.4%, m:24.9%) while body weightings were constant (f:63.0%, m:63.2%). When upright (1g) in this and other studies (e.g., Barnett-Cowan et al. 2010, EJN, 31,1899) females placed more emphasis on vision in this task than males. The reduction in weight allocated by females to vision when in simulated low-gravity conditions compared to when upright under normal gravity may be related to similar female behaviour in response to other instances of visual-vestibular conflict. Why this is the case and at which point the perceptual change happens requires further research. Meeting abstract presented at VSS 2018

Item URL in elib:https://elib.dlr.de/185733/
Document Type:Conference or Workshop Item (Speech)
Title:Gender bias in the influence of gravity on perception
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Harris, LaurenceYork University Psychology, Toronto Ontario, CanadaUNSPECIFIEDUNSPECIFIED
Jenkin, MichaelYork University Computer Science and Engineering, Toronto Ontario, CanadaUNSPECIFIEDUNSPECIFIED
Herpers, RainerHochschule Bonn-Rhein-Sieg, Sankt Augustin, GermanyUNSPECIFIEDUNSPECIFIED
Frett, TimoUNSPECIFIEDhttps://orcid.org/0000-0002-5572-1177UNSPECIFIED
Scherfgen, DavidHochschule Bonn Rhein-Sieg, Sankt Augustin, GermanyUNSPECIFIEDUNSPECIFIED
Date:September 2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Gender bias; Gravitiy
Event Title:Vision Sciences Society Annual Meeting
Event Location:St. Pete Beach, Florida
Event Type:international Conference
Event Start Date:18 May 2018
Event End Date:23 May 2018
Organizer:Vision Science Society
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Research under Space Conditions
DLR - Research theme (Project):R - Human performance under altered gravity conditions
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Muscle and Bone Metabolism
Deposited By: Becker, Christine
Deposited On:11 Apr 2022 10:16
Last Modified:24 Apr 2024 20:47

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