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Seeing what is coming: Building collision-sensitive neurones

Lookup NU author(s): Dr Claire Rind, Dr Peter Simmons

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Abstract

The image of a rapidly approaching object has to elicit a quick response. An animal needs to know that the object is approaching on a collision course and how imminent a collision is. The relevant information can be computed from the way that the image of the object grows on the retina of one eye. Firm data about the types of neurones that react to such looming stimuli and trigger avoidance reactions come from recent studies on the pigeon and the locust. The neurones responsible are tightly tuned to detect objects that are approaching on a direct collision course. In the pigeon these neurones signal the time remaining before collision whereas in the locust they have a crucial role in the simple strategy this animal uses to detect an object approaching on a collision course.


Publication metadata

Author(s): Rind FC, Simmons PJ

Publication type: Review

Publication status: Published

Journal: Trends in Neurosciences

Year: 1999

Volume: 22

Issue: 5

Pages: 215-220

Print publication date: 01/05/1999

ISSN (print): 0166-2236

ISSN (electronic): 1878-108X

URL: http://dx.doi.org/10.1016/S0166-2236(98)01332-0

DOI: 10.1016/S0166-2236(98)01332-0

PubMed id: 10322494


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