Search Results - "Gray, John R."

Technological advances in suspended-sediment surrogate monitoring by Gray, John R., Gartner, Jeffrey W.

“…Surrogate technologies to continuously monitor suspended sediment show promise toward supplanting traditional data collection methods requiring routine…”
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A sublethal dose of a neonicotinoid insecticide disrupts visual processing and collision avoidance behaviour in Locusta migratoria by Parkinson, Rachel H., Little, Jacelyn M., Gray, John R.

“…Neonicotinoids are known to affect insect navigation and vision, however the mechanisms of these effects are not fully understood. A visual motion sensitive…”
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Burst Firing in a Motion-Sensitive Neural Pathway Correlates with Expansion Properties of Looming Objects that Evoke Avoidance Behaviors by McMillan, Glyn A, Gray, John R

“…The locust visual system contains a well-defined motion-sensitive pathway that transfers visual input to motor centers involved in predator evasion and…”
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Effects of different levels of torso coactivation on trunk muscular and kinematic responses to posteriorly applied sudden loads by Vera-Garcia, Francisco J., Brown, Stephen H.M., Gray, John R., McGill, Stuart M.

“…Studies examining rapid spine loading have documented the influence of steady-state trunk preloads, and the resulting levels of trunk muscle preactivation, on…”
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Neonicotinoid and sulfoximine pesticides differentially impair insect escape behavior and motion detection by Parkinson, Rachel H., Zhang, Sinan, Gray, John R.

“…Insect nervous systems offer unique advantages for studying interactions between sensory systems and behavior, given their complexity with high tractability…”
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Neural conduction, visual motion detection, and insect flight behaviour are disrupted by low doses of imidacloprid and its metabolites by Parkinson, Rachel H., Gray, John R.

“…•Low doses of imidacloprid, or olefin or 5-hydroxy metabolites impair flight ability.•These compounds reduce neural firing in a visual motion sensitive…”
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A model of feedforward, global, and lateral inhibition in the locust visual system predicts responses to looming stimuli by Olson, Erik G. N., Wiens, Travis K., Gray, John R.

“…Detection of looming obstacles is a vital task for both natural and artificial systems. Locusts possess a visual nervous system with an extensively studied…”
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Chronic exposure to insecticides impairs honeybee optomotor behaviour by Parkinson, Rachel H, Fecher, Caroline, Gray, John R

“…Honeybees use wide-field visual motion information to calculate the distance they have flown from the hive, and this information is communicated to…”
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Spatiotemporal stimulus properties modulate responses to trajectory changes in a locust looming-sensitive pathway by Dick, Paul C, Gray, John R

“…The lobula giant movement detector (LGMD) and descending contralateral movement detector (DCMD) constitute one motion-sensitive pathway in the locust visual…”
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A method for recording behavior and multineuronal CNS activity from tethered insects flying in virtual space by Gray, John R, Pawlowski, Vincent, Willis, Mark A

“…We describe a low cost, novel virtual reality-based insect flight simulator that combines visual, olfactory and mechanosensory stimuli with multichannel…”
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Responses of a pair of flying locusts to lateral looming visual stimuli by Benaragama, Indika, Gray, John R

“…We presented a pair of locusts flying loosely tethered with laterally looming discs. Two experiments tested whether looming-evoked flight behaviour was…”
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Three-dimensional shape and velocity changes affect responses of a locust visual interneuron to approaching objects by Stott, Tarquin P, Olson, Erik G N, Parkinson, Rachel H, Gray, John R

“…Adaptive collision avoidance behaviours require accurate detection of complex spatiotemporal properties of an object approaching in an animal's natural,…”
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A looming-sensitive pathway responds to changes in the trajectory of object motion by McMillan, Glyn A, Gray, John R

“…Two identified locust neurons, the lobula giant movement detector (LGMD) and its postsynaptic partner, the descending contralateral movement detector (DCMD),…”
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A pair of motion-sensitive neurons in the locust encode approaches of a looming object by Gray, John R., Blincow, Eric, Robertson, R. Meldrum

“…Neurons in the locust visual system encode approaches of looming stimuli and are implicated in production of escape behaviours. The lobula giant movement…”
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Bilateral flight muscle activity predicts wing kinematics and 3-dimensional body orientation of locusts responding to looming objects by McMillan, Glyn A, Loessin, Vicky, Gray, John R

“…We placed locusts in a wind tunnel using a loose tether design that allowed for motion in all three rotational degrees of freedom during presentation of a…”
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Background complexity affects response of a looming-sensitive neuron to object motion by Silva, Ana C, McMillan, Glyn A, Santos, Cristina P, Gray, John R

“…An increasing number of studies show how stimulus complexity affects the responses of looming-sensitive neurons across multiple animal taxa. Locusts contain a…”
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Visual stimuli induced by self-motion and object-motion modify odour-guided flight of male moths (Manduca sexta L.) by Verspui, Remko, Gray, John R

“…Animals rely on multimodal sensory integration for proper orientation within their environment. For example, odour-guided behaviours often require appropriate…”
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Habituated visual neurons in locusts remain sensitive to novel looming objects by Gray, John R

“…Many animals must contend with visual cues that provide information about the spatiotemporal dynamics of multiple objects in their environment. Much research…”
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Background visual motion affects responses of an insect motion‐sensitive neuron to objects deviating from a collision course by Yakubowski, Jasmine M., McMillan, Glyn A., Gray, John R.

“…Stimulus complexity affects the response of looming sensitive neurons in a variety of animal taxa. The Lobula Giant Movement Detector/Descending Contralateral…”
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Complex object motion represented by context‐dependent correlated activity of visual interneurones by Dick, Paul C., Michel, Nicole L., Gray, John R.

“…Accurate and adaptive encoding of complex, dynamic visual information is critical for the survival of many animals. Studies across a range of taxa have…”
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