Object Identity Determines Trans-saccadic Integration

Overview

Journal J Vis

Specialty Ophthalmology

Date 2020 Jul 31

PMID 32729906

Citations 9

Authors

Leila Drissi-Daoudi

Haluk Ogmen

Michael H Herzog

Guido Marco Cicchini

Affiliations

Soon will be listed here.

Abstract

Humans make two to four rapid eye movements (saccades) per second, which, surprisingly, does not lead to abrupt changes in vision. To the contrary, we perceive a stable world. Hence, an important question is how information is integrated across saccades. To investigate this question, we used the sequential metacontrast paradigm (SQM), where two expanding streams of lines are presented. When one line is spatially offset, the other lines are perceived as being offset, too. When more lines are offset, all offsets integrate mandatorily; that is, observers cannot report the individual offsets but perceive one integrated offset. Here, we asked observers to make a saccade during the SQM. Even though the saccades caused a highly disrupted motion trajectory on the retina, offsets presented before and after the saccade integrated mandatorily. When observers made no saccade and the streams were displaced on the screen so that a similarly disrupted retinal image occurred as in the previous condition, no integration occurred. We suggest that trans-saccadic integration and perception are determined by object identity in spatiotopic coordinates and not by the retinal image.

Citing Articles

Investigating the relationship between subjective perception and unconscious feature integration.

Vogelsang L, Menetrey M, Drissi-Daoudi L, Herzog M J Vis. 2024; 24(12):1.

PMID: 39495188 PMC: 11540028. DOI: 10.1167/jov.24.12.1.

Processing load, and not stimulus evidence, determines the duration of unconscious visual feature integration.

Vogelsang L, Drissi-Daoudi L, Herzog M Commun Psychol. 2024; 1(1):8.

PMID: 38665247 PMC: 11041769. DOI: 10.1038/s44271-023-00011-2.

Temporal windows of unconscious processing cannot easily be disrupted.

Vogelsang L, Drissi-Daoudi L, Herzog M J Vis. 2024; 24(4):21.

PMID: 38656529 PMC: 11044838. DOI: 10.1167/jov.24.4.21.

Perceptual learning across saccades: Feature but not location specific.

Grzeczkowski L, Shi Z, Rolfs M, Deubel H Proc Natl Acad Sci U S A. 2023; 120(43):e2303763120.

PMID: 37844238 PMC: 10614914. DOI: 10.1073/pnas.2303763120.

Cartesian coordinates scaffold stable spatial perception over time.

Luo M, Zhang H, Luo H J Vis. 2022; 22(8):13.

PMID: 35857298 PMC: 9315070. DOI: 10.1167/jov.22.8.13.

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