1
|
Wilming N, Kietzmann TC, Jutras M, Xue C, Treue S, Buffalo EA, König P. Differential Contribution of Low- and High-level Image Content to Eye Movements in Monkeys and Humans. Cereb Cortex 2017; 27:279-293. [PMID: 28077512 PMCID: PMC5942390 DOI: 10.1093/cercor/bhw399] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Accepted: 12/13/2016] [Indexed: 11/25/2022] Open
Abstract
Oculomotor selection exerts a fundamental impact on our experience of the environment. To better understand the underlying principles, researchers typically rely on behavioral data from humans, and electrophysiological recordings in macaque monkeys. This approach rests on the assumption that the same selection processes are at play in both species. To test this assumption, we compared the viewing behavior of 106 humans and 11 macaques in an unconstrained free-viewing task. Our data-driven clustering analyses revealed distinct human and macaque clusters, indicating species-specific selection strategies. Yet, cross-species predictions were found to be above chance, indicating some level of shared behavior. Analyses relying on computational models of visual saliency indicate that such cross-species commonalities in free viewing are largely due to similar low-level selection mechanisms, with only a small contribution by shared higher level selection mechanisms and with consistent viewing behavior of monkeys being a subset of the consistent viewing behavior of humans.
Collapse
Affiliation(s)
- Niklas Wilming
- Institute of Cognitive Science, University of Osnabrück, Osnabrück, Germany.,Department of Physiology and Biophysics, University of Washington, Seattle, WA 98195, USA.,Yerkes National Primate Research Center, Atlanta, GA 30329, USA.,Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Washington National Primate Research Center, Seattle, WA 09195, USA
| | - Tim C Kietzmann
- Institute of Cognitive Science, University of Osnabrück, Osnabrück, Germany.,Medical Research Council, Cognition and Brain Sciences Unit, Cambridge CB2 7EF, UK
| | - Megan Jutras
- Department of Physiology and Biophysics, University of Washington, Seattle, WA 98195, USA.,Yerkes National Primate Research Center, Atlanta, GA 30329, USA.,Washington National Primate Research Center, Seattle, WA 09195, USA
| | - Cheng Xue
- Cognitive Neuroscience Laboratory, German Primate Center - Leibniz-Institute for Primate Research, Goettingen, Germany
| | - Stefan Treue
- Cognitive Neuroscience Laboratory, German Primate Center - Leibniz-Institute for Primate Research, Goettingen, Germany.,Faculty of Biology and Psychology, Goettingen University, Goettingen, Germany.,Leibniz-ScienceCampus Primate Cognition, Goettingen, Germany
| | - Elizabeth A Buffalo
- Department of Physiology and Biophysics, University of Washington, Seattle, WA 98195, USA.,Yerkes National Primate Research Center, Atlanta, GA 30329, USA.,Washington National Primate Research Center, Seattle, WA 09195, USA
| | - Peter König
- Institute of Cognitive Science, University of Osnabrück, Osnabrück, Germany.,Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| |
Collapse
|