D. Ventura

Publications332
h-index31
Citations3,802
Highly Influential Citations168
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The spectral input systems of hymenopteran insects and their receptor-based colour vision
SummarySpectral sensitivity functions S(λ) of single photoreceptor cells in 43 different hymenopteran species were measured intracellularly with the fast spectral scan method. The distribution of… Expand
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Effects of dietary methylmercury on liver and kidney histology in the neotropical fish Hoplias malabaricus.
Methylmercury is a potent toxic present in Amazonian fish species due to gold mining activities. In the present work, we investigated the morphological effects of methylmercury in liver and kidney of… Expand
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Behaviourally driven gene expression reveals song nuclei in hummingbird brain
Hummingbirds have developed a wealth of intriguing features, such as backwards flight, ultraviolet vision, extremely high metabolic rates, nocturnal hibernation, high brain-to-body size ratio and a… Expand
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Large sample population age norms for visual acuities obtained with Vistech-Teller Acuity Cards.
PURPOSE To determine population age norms in the first three years of life for binocular and monocular grating visual acuity (VA) obtained with Vistech-Teller Acuity Cards (TAC). METHODS TAC was… Expand
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Relationship between vision and motor impairment in children with spastic cerebral palsy: new evidence from electrophysiology
The aim of the present study was to measure visual acuity (VA) by the sweep visual evoked potential method (sVEP) and relate it to the degree of motor impairment in children with spastic cerebral… Expand
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The pupil light reflex in Leber's hereditary optic neuropathy: evidence for preservation of melanopsin-expressing retinal ganglion cells.
PURPOSE To investigate the pupillary light reflex (PLR) of patients with severe loss of vision due to Leber's Hereditary Optic Neuropathy (LHON) in the context of a proposed preservation of… Expand
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Intrinsically photosensitive retinal ganglion cell activity is associated with decreased sleep quality in patients with glaucoma.
PURPOSE To use the pupillary light reflex and polysomnography to evaluate the function of intrinsically photosensitive retinal ganglion cells (ipRGCs) and to correlate this function with structural… Expand
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Efficient mitochondrial biogenesis drives incomplete penetrance in Leber’s hereditary optic neuropathy
The mechanisms of incomplete penetrance in Leber’s hereditary optic neuropathy are elusive. Giordano et al. show that mitochondrial DNA content and mitochondrial mass are both increased in tissues… Expand
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Ultraviolet colour opponency in the turtle retina.
We have examined the functional architecture of the turtle Pseudemys scripta elegans retina with respect to colour processing, extending spectral stimulation into the ultraviolet, which has not been… Expand
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Preliminary Norms for the Cambridge Colour Test
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