<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Studies analysing biological motion perception based on reduced number of dots have demonstrated that biological motion can be perceived even when only the lower part of the body is visible or when the number of dots representing the object is reduced. What is the minimal amount of information that enables biological motion to be distinguished from its scrambled version? The results of the current experiment demonstrate that biological motion can be distinguished from its scrambled version when the object is formed of approximately 5 (4.7 ± 0.1) dots. Additionally, we also investigated whether the threshold value for biological motion perception differs in central and peripheral visual fields. By using stimulus magnification, we demonstrate that the number of dots sufficient for biological motion perception is similar in the central visual field and near periphery. Hence, stimulus magnification can compensate for reduced task performance in the peripheral visual field. The current results suggest that reduced performance of biological motion perception in the peripheral visual field (as demonstrated in other studies) is due to difficulties with the global perception of biological motion.</p></abstract>

Studies analysing biological motion perception based on reduced number of dots have demonstrated that biological motion can be perceived even when only the lower part of the body is visible or when the number of dots representing the object is reduced. What is the minimal amount of information that enables biological motion to be distinguished from its scrambled version? The results of the current experiment demonstrate that biological motion can be distinguished from its scrambled version when the object is formed of approximately 5 (4.7 ± 0.1) dots. Additionally, we also investigated whether the threshold value for biological motion perception differs in central and peripheral visual fields. By using stimulus magnification, we demonstrate that the number of dots sufficient for biological motion perception is similar in the central visual field and near periphery. Hence, stimulus magnification can compensate for reduced task performance in the peripheral visual field. The current results suggest that reduced performance of biological motion perception in the peripheral visual field (as demonstrated in other studies) is due to difficulties with the global perception of biological motion.

Perception of Biological Motion in Central and Peripheral Visual Fields

Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Perception of Biological Motion in Central and Peripheral Visual Fields"}

Studies analysing biological motion perception based on reduced number of dots have demonstrated that biological motion can be perceived even when only the...

Perception of Biological Motion in Central and Peripheral Visual Fields

Published Online: Nov 14, 2017

Page range: 320 - 326

Received: Oct 03, 2016

Accepted: Sep 18, 2017

DOI: https://doi.org/10.1515/prolas-2017-0056

Keywords
biological motion, eccentricity, peripheral vision, stimulus magnification

© by Ilze Laicāne

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Perception of Biological Motion in Central and Peripheral Visual Fields

Published Online: Nov 14, 2017

Page range: 320 - 326

Received: Oct 03, 2016

Accepted: Sep 18, 2017

DOI: https://doi.org/10.1515/prolas-2017-0056

Keywordsbiological motion, eccentricity, peripheral vision, stimulus magnification

© by Ilze Laicāne

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
biological motion, eccentricity, peripheral vision, stimulus magnification