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https://hdl.handle.net/2440/57152
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Type: | Journal article |
Title: | Feature detection and the hypercomplex property in insects |
Author: | Nordstrom, K. O'Carroll, D. |
Citation: | Trends in Neurosciences, 2009; 32(7):383-391 |
Publisher: | Elsevier Science London |
Issue Date: | 2009 |
ISSN: | 0166-2236 1878-108X |
Statement of Responsibility: | Karin Nordström and David C. O’Carroll |
Abstract: | Discerning a target amongst visual ‘clutter’ is a complicated task that has been elegantly solved by flying insects, as evidenced by their mid-air interactions with conspecifics and prey. The neurophysiology of small-target motion detectors (STMDs) underlying these complex behaviors has recently been described and suggests that insects use mechanisms similar to those of hypercomplex cells of the mammalian visual cortex to achieve target-specific tuning. Cortical hypercomplex cells are end-stopped, which means that they respond optimally to small moving targets, with responses to extended bars attenuated. We review not only the underlying mechanisms involved in this tuning but also how recently proposed models provide a possible explanation for another remarkable property of these neurons – their ability to respond robustly to the motion of targets even against moving backgrounds. |
Keywords: | Visual Cortex Animals Photic Stimulation Visual Perception Motion Perception Visual Fields Insecta |
DOI: | 10.1016/j.tins.2009.03.004 |
Grant ID: | http://purl.org/au-research/grants/arc/DP0880983 http://purl.org/au-research/grants/arc/DP0880983 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/405919/description#description |
Published version: | http://dx.doi.org/10.1016/j.tins.2009.03.004 |
Appears in Collections: | Aurora harvest Molecular and Biomedical Science publications |
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