R. Santer

Publications36
h-index18
Citations854
Highly Influential Citations69
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Role of an identified looming-sensitive neuron in triggering a flying locust's escape.
Flying locusts perform a characteristic gliding dive in response to predator-sized stimuli looming from one side. These visual looming stimuli trigger trains of spikes in the descending contralateral… Expand
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Gliding behaviour elicited by lateral looming stimuli in flying locusts
We challenged tethered, flying locusts with visual stimuli looming from the side towards one eye in a way that mimics the approach of a predatory bird. Locusts respond to the lateral approach of a… Expand
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Motor activity and trajectory control during escape jumping in the locust Locusta migratoria
We investigated the escape jumps that locusts produce in response to approaching objects. Hindleg muscular activity during an escape jump is similar to that during a defensive kick. Locusts can… Expand
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Arousal facilitates collision avoidance mediated by a looming sensitive visual neuron in a flying locust.
Locusts have two large collision-detecting neurons, the descending contralateral movement detectors (DCMDs) that signal object approach and trigger evasive glides during flight. We sought to… Expand
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Preparing for escape: an examination of the role of the DCMD neuron in locust escape jumps
Many animals begin to escape by moving away from a threat the instant it is detected. However, the escape jumps of locusts take several hundred milliseconds to produce and the locust must therefore… Expand
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Collision avoidance and a looming sensitive neuron: size matters but biggest is not necessarily best
  • F. Rind, R. Santer
  • Geography, Medicine
  • Proceedings of the Royal Society of London…
  • 7 February 2004
Locusts possess visual neurons that can be uniquely identified in each locust and that respond selectively to looming stimuli, giving the animal a warning of impending collision. It has been… Expand
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Predator versus Prey: Locust Looming-Detector Neuron and Behavioural Responses to Stimuli Representing Attacking Bird Predators
Many arthropods possess escape-triggering neural mechanisms that help them evade predators. These mechanisms are important neuroethological models, but they are rarely investigated using… Expand
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Reactive direction control for a mobile robot: a locust-like control of escape direction emerges when a bilateral pair of model locust visual neurons are integrated
TLDR
We implement a bilateral pair of LGMD models in Khepera robots equipped with normal and panoramic cameras. Expand
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Multimodal courtship efficacy of Schizocosa retrorsa wolf spiders: implications of an additional signal modality
Here, we simultaneously examine both content and efficacy-based sources of selection on the visual and seismic multimodal courtship display of the wolf spider Schizocosa retrorsa. Immature… Expand
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Escapes with and without preparation: the neuroethology of visual startle in locusts.
Locusts respond to the images of approaching (looming) objects with responses that include gliding while in flight and jumping while standing. For both of these responses there is good evidence that… Expand
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