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Automatic grouping of regular structures


Hermens, Frouke; Scharnowski, Frank; Herzog, Michael H (2010). Automatic grouping of regular structures. Journal of Vision, 10(8):5.

Abstract

To cope with the continuously incoming stream of input, the visual system has to group information across space and time. Usually, spatial and temporal grouping are investigated separately. However, recent findings revealed that these two grouping mechanisms strongly interact and should therefore be studied together rather than in isolation. Here, we show that spatio-temporal grouping is very sensitive to the spatial layout of the stimuli and that the grouping processes do not require the observer's awareness. The experimental observations are compared with outcomes of simulations with a neural network model applying low-level inhibitory and excitatory interactions. The modeling results suggest that the observed interactions between spatial and temporal grouping may take place at a relatively early stage of visual processing.

Abstract

To cope with the continuously incoming stream of input, the visual system has to group information across space and time. Usually, spatial and temporal grouping are investigated separately. However, recent findings revealed that these two grouping mechanisms strongly interact and should therefore be studied together rather than in isolation. Here, we show that spatio-temporal grouping is very sensitive to the spatial layout of the stimuli and that the grouping processes do not require the observer's awareness. The experimental observations are compared with outcomes of simulations with a neural network model applying low-level inhibitory and excitatory interactions. The modeling results suggest that the observed interactions between spatial and temporal grouping may take place at a relatively early stage of visual processing.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Psychiatric University Hospital Zurich > Clinic for Psychiatry, Psychotherapy, and Psychosomatics
04 Faculty of Medicine > Neuroscience Center Zurich
04 Faculty of Medicine > Center for Integrative Human Physiology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:1 July 2010
Deposited On:25 Sep 2017 15:34
Last Modified:17 Feb 2018 19:16
Publisher:Association for Research in Vision and Ophthalmology
ISSN:1534-7362
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1167/10.8.5
PubMed ID:20884580

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