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Human brain dynamics dissociate early perceptual and late motor‐related stages of affordance processing.

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Title: Human brain dynamics dissociate early perceptual and late motor‐related stages of affordance processing.
Authors: Wang, Sheng (AUTHOR), Djebbara, Zakaria (AUTHOR), Sanches de Oliveira, Guilherme (AUTHOR), Gramann, Klaus (AUTHOR)
Source: European Journal of Neuroscience. Aug2024, Vol. 60 Issue 4, p4639-4660. 22p.
Subjects: Shared virtual environments, Time perspective, Joysticks, Keyboarding
Abstract: Affordances, the opportunities for action offered by the environment to an agent, are vital for meaningful behaviour and exist in every interaction with the environment. There is an ongoing debate in the field about whether the perception of affordances is an automated process. Some studies suggest that affordance perception is an automated process that is independent from the visual context and bodily interaction with the environment, whereas others argue that it is modulated by the visual and motor context in which affordances are perceived. The present paper aims to resolve this debate by examining affordance automaticity from the perspective of sensorimotor time windows. To investigate the impact of different forms of bodily interactions with an environment, that is, the movement context (physical vs. joystick movement), we replicated a previous study on affordance perception in which participants actively moved through differently wide doors in an immersive 3D virtual environment. In the present study, we displayed the same environment on a 2D screen with participants moving through doors of different widths using the keys on a standard keyboard. We compared components of the event‐related potential (ERP) from the continuously recorded electroencephalogram (EEG) that were previously reported to be related to affordance perception of architectural transitions (passable and impassable doors). Comparing early sensory and later motor‐related ERPs, our study replicated ERPs reflecting early affordance perception but found differences in later motor‐related components. These results indicate a shift from automated perception of affordances during early sensorimotor time windows to movement context dependence of affordance perception at later stages, suggesting that affordance perception is a dynamic and flexible process that changes over sensorimotor stages. [ABSTRACT FROM AUTHOR]
Copyright of European Journal of Neuroscience is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Human brain dynamics dissociate early perceptual and late motor‐related stages of affordance processing.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Sheng%22">Wang, Sheng</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Djebbara%2C+Zakaria%22">Djebbara, Zakaria</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sanches+de+Oliveira%2C+Guilherme%22">Sanches de Oliveira, Guilherme</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gramann%2C+Klaus%22">Gramann, Klaus</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Journal+of+Neuroscience%22">European Journal of Neuroscience</searchLink>. Aug2024, Vol. 60 Issue 4, p4639-4660. 22p.
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  Data: <searchLink fieldCode="DE" term="%22Shared+virtual+environments%22">Shared virtual environments</searchLink><br /><searchLink fieldCode="DE" term="%22Time+perspective%22">Time perspective</searchLink><br /><searchLink fieldCode="DE" term="%22Joysticks%22">Joysticks</searchLink><br /><searchLink fieldCode="DE" term="%22Keyboarding%22">Keyboarding</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Affordances, the opportunities for action offered by the environment to an agent, are vital for meaningful behaviour and exist in every interaction with the environment. There is an ongoing debate in the field about whether the perception of affordances is an automated process. Some studies suggest that affordance perception is an automated process that is independent from the visual context and bodily interaction with the environment, whereas others argue that it is modulated by the visual and motor context in which affordances are perceived. The present paper aims to resolve this debate by examining affordance automaticity from the perspective of sensorimotor time windows. To investigate the impact of different forms of bodily interactions with an environment, that is, the movement context (physical vs. joystick movement), we replicated a previous study on affordance perception in which participants actively moved through differently wide doors in an immersive 3D virtual environment. In the present study, we displayed the same environment on a 2D screen with participants moving through doors of different widths using the keys on a standard keyboard. We compared components of the event‐related potential (ERP) from the continuously recorded electroencephalogram (EEG) that were previously reported to be related to affordance perception of architectural transitions (passable and impassable doors). Comparing early sensory and later motor‐related ERPs, our study replicated ERPs reflecting early affordance perception but found differences in later motor‐related components. These results indicate a shift from automated perception of affordances during early sensorimotor time windows to movement context dependence of affordance perception at later stages, suggesting that affordance perception is a dynamic and flexible process that changes over sensorimotor stages. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Journal of Neuroscience is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/ejn.16461
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        Text: English
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      – SubjectFull: Joysticks
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              M: 08
              Text: Aug2024
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              Y: 2024
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