Search Results - "Steven, Wiederman"

Selective Attention in an Insect Visual Neuron by Wiederman, Steven D., O’Carroll, David C.

“…Animals need attention to focus on one target amid alternative distracters. Dragonflies, for example, capture flies in swarms comprising prey and conspecifics…”
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Contrast sensitivity and the detection of moving patterns and features by O'Carroll, David C., Wiederman, Steven D.

“…Theories based on optimal sampling by the retina have been widely applied to visual ecology at the level of the optics of the eye, supported by visual…”
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Spike bursting in a dragonfly target-detecting neuron by Fabian, Joseph M., Wiederman, Steven D.

“…Dragonflies visually detect prey and conspecifics, rapidly pursuing these targets via acrobatic flights. Over many decades, studies have investigated the…”
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Author Correction: Spike bursting in a dragonfly target-detecting neuron by Fabian, Joseph M., Wiederman, Steven D.

“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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Sparse spike trains and the limitation of rate codes underlying rapid behaviours by Fabian, Joseph M, O'Carrol, David C, Wiederman, Steven D

“…Animals live in dynamic worlds where they use sensorimotor circuits to rapidly process information and drive behaviours. For example, dragonflies are aerial…”
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A model for the detection of moving targets in visual clutter inspired by insect physiology by Wiederman, Steven D, Shoemaker, Patrick A, O'Carroll, David C

“…We present a computational model for target discrimination based on intracellular recordings from neurons in the fly visual system. Determining how insects…”
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Temperature modulates the tuning properties of small target motion detector neurons in the dragonfly visual system by Hussaini, Mahdi M, Evans, Bernard J E, O'Carroll, David C, Wiederman, Steven D

“…Dragonflies are poikilothermic animals with limited thermoregulation; therefore, their entire bodies, including the brain, experience a range of temperatures…”
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Visual acuity of the honey bee retina and the limits for feature detection by Rigosi, Elisa, Wiederman, Steven D., O’Carroll, David C.

“…Visual abilities of the honey bee have been studied for more than 100 years, recently revealing unexpectedly sophisticated cognitive skills rivalling those of…”
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Differential Tuning to Visual Motion Allows Robust Encoding of Optic Flow in the Dragonfly by Evans, Bernard J E, O'Carroll, David C, Fabian, Joseph M, Wiederman, Steven D

“…Visual cues provide an important means for aerial creatures to ascertain their self-motion through the environment. In many insects, including flies, moths,…”
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Dragonfly Neurons Selectively Attend to Targets Within Natural Scenes by Evans, Bernard John Essex, O'Carroll, David Charles, Fabian, Joseph Mahandas, Wiederman, Steven D

“…Aerial predators, such as the dragonfly, determine the position and movement of their prey even when both are moving through complex, natural scenes. This task…”
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Photoreceptor signalling is sufficient to explain the detectability threshold of insect aerial pursuers by Rigosi, Elisa, Wiederman, Steven D, O'Carroll, David C

“…An essential biological task for many flying insects is the detection of small, moving targets, such as when pursuing prey or conspecifics. Neural pathways…”
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A Target-Detecting Visual Neuron in the Dragonfly Locks on to Selectively Attended Targets by Lancer, Benjamin H, Evans, Bernard J E, Fabian, Joseph M, O'Carroll, David C, Wiederman, Steven D

“…The visual world projects a complex and rapidly changing image onto the retina of many animal species. This presents computational challenges for those animals…”
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A predictive focus of gain modulation encodes target trajectories in insect vision by Wiederman, Steven D, Fabian, Joseph M, Dunbier, James R, O'Carroll, David C

“…When a human catches a ball, they estimate future target location based on the current trajectory. How animals, small and large, encode such predictive…”
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Properties of predictive gain modulation in a dragonfly visual neuron by Fabian, Joseph M, Dunbier, James R, O'Carroll, David C, Wiederman, Steven D

“…Dragonflies pursue and capture tiny prey and conspecifics with extremely high success rates. These moving targets represent a small visual signal on the retina…”
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Correlation between OFF and ON channels underlies dark target selectivity in an insect visual system by Wiederman, Steven D, Shoemaker, Patrick A, O'Carroll, David C

“…In both vertebrates and invertebrates, evidence supports separation of luminance increments and decrements (ON and OFF channels) in early stages of visual…”
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The visual neuroecology of anisoptera by Lancer, Benjamin Horatio, Evans, Bernard John Essex, Wiederman, Steven D.

“…•Dragonflies are highly successful aerial predators that rely almost exclusively on vision to drive behaviour.•Regional specialisations of the dragonfly eye…”
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Discrimination of features in natural scenes by a dragonfly neuron by Wiederman, Steven D, O'Carroll, David C

“…Flying insects engage in spectacular high-speed pursuit of targets, requiring visual discrimination of moving objects against cluttered backgrounds. As a first…”
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An autonomous robot inspired by insect neurophysiology pursues moving features in natural environments by Bagheri, Zahra M, Cazzolato, Benjamin S, Grainger, Steven, O'Carroll, David C, Wiederman, Steven D

“…Many computer vision and robotic applications require the implementation of robust and efficient target-tracking algorithms on a moving platform. However,…”
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Nonlinear, neuronal adaptation in insect vision models improves target discrimination within repetitively moving backgrounds by James, John V, Cazzolato, Benjamin S, Grainger, Steven, Wiederman, Steven D

“…Neurons which respond selectively to small moving targets, even against a cluttered background, have been identified in several insect species. To investigate…”
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Performance of an insect-inspired target tracker in natural conditions by Bagheri, Zahra M, Wiederman, Steven D, Cazzolato, Benjamin S, Grainger, Steven, O'Carroll, David C

“…Robust and efficient target-tracking algorithms embedded on moving platforms, are a requirement for many computer vision and robotic applications. However,…”
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