2014
DOI: 10.1007/s00359-013-0879-6
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Performance of blue- and green-sensitive photoreceptors of the cricket Gryllus bimaculatus

Abstract: The compound eye of the cricket Gryllus bimaculatus contains a specialized dorsal rim area (DRA) populated by distinct blue-sensitive photoreceptors responsible for perception of polarized light. The rest of the eye is dominated by green-sensitive photoreceptors. Using patch clamp we studied dissociated ommatidia of nocturnal adults and diurnal eight-instar nymphs with the goals (1) of characterizing the biophysical properties of cricket photoreceptors in general and (2) describing the functionally dissimilar … Show more

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Cited by 31 publications
(32 citation statements)
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“…When voltage responses were recorded over a range of increasing light intensities, performance indicators including contrast sensitivity, membrane gain (in terms of V/light intensity), SNR, and photoreceptor IR first increased, reached maxima (IR max ) in moderately dim light, and then decreased again, as observed in other insect species under similar experimental conditions (Frolov et al , 2014. It should be noted that during patch clamp of dissociated ommatidia the illumination reaches microvilli without the ommatidial optics and its possible pupillary regulation of stimulation intensity (Frolov et al , 2014.…”
Section: Information Processingmentioning
confidence: 55%
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“…When voltage responses were recorded over a range of increasing light intensities, performance indicators including contrast sensitivity, membrane gain (in terms of V/light intensity), SNR, and photoreceptor IR first increased, reached maxima (IR max ) in moderately dim light, and then decreased again, as observed in other insect species under similar experimental conditions (Frolov et al , 2014. It should be noted that during patch clamp of dissociated ommatidia the illumination reaches microvilli without the ommatidial optics and its possible pupillary regulation of stimulation intensity (Frolov et al , 2014.…”
Section: Information Processingmentioning
confidence: 55%
“…These results also seem to contradict observations made in the field, which show extremely fast escape reactions by water striders approached by an observer or in response to any movement. Data from other species, using similar white-noise modulated light contrasts, indicate that responses of water strider photoreceptors to WN1 (IR of 12 Ϯ 5 bits/s) and even to WN2 (60 Ϯ 6 bits/s) are inferior to those of the common backswimmer Notonecta glauca (WN1, 90 Ϯ 45 bits/s; unpublished observations), the lesser water boatman Corixa punctata (WN1, 36 Ϯ 21 bits/s; unpublished observations), and the stick insect (WN1, 34 Ϯ 5 bits/s; ) but similar to those of the black cricket Gryllus bimaculatus (WN1, 13 Ϯ 5 bits/s; WN2, 36 Ϯ 11 bits/s; Frolov et al 2014). However, the information capacity of Gerris lacustris photoreceptors was superior to Periplaneta americana photoreceptors (Heimonen et al 2012).…”
Section: Poor Information Processingmentioning
confidence: 84%
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