Photopic spectral sensitivity of the Neon Tetra [Paracheirodon innesi (Myers)] found by the use of a dorsal light reaction

Silver, Priscilla H.

doi:10.1016/0042-6989(74)90091-1

Cited by 28 publications

(18 citation statements)

References 7 publications

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“…The results from both the scotopic and photopic experiments reported here are consistent with those found in other species which possess duplex retinae (Silver 1974;Shefner and Levine 1976;Cohen et al 1977;Powers 1978;Powers and Easter 1978a, b;Cameron 1982). In all such forms scotopic sensitivity is greater than photopic; while the former traditionally has been ascribed to a single rod visual pigment, evidence now favors the view that cone inputs may influence the scotopic behavioral action spectrum (Powers and Easter 1978a;Cohen et al 1977).…”

Section: Discussionsupporting

confidence: 89%

Spectral sensitivity of the African cichlid fish,Haplochromis burtoni

Allen

Fernald

1985

J. Comp. Physiol.

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Spectral sensitivity of the cichlid fish Haplochromis burtoni was measured under both scotopic and photopic conditions using a two-choice, food reward, operant conditioning paradigm. The highest absolute sensitivity (scotopic) is one quantum for every 5 to 50 rods measured at 475 nm (equivalent to a corneal irradiance of 3.8 x 10(6) Q s-1 cm-2). A P500(1) photopigment apparently mediates spectral sensitivity over most of the visible spectrum; microspectrophotometric studies of rods had previously shown them to contain this photopigment. However, the scotopic behavioral action spectrum shows a sensitivity to short wavelength light higher than is consistent with a P500(1) photopigment alone mediating the scotopic visual process. Determinations made under photopic conditions reveal a behavioral action spectrum broader than that found under scotopic conditions and consistent with mediation by interaction of the three known cone types in an opponent processing manner. The calculated photopic threshold value of approximately 10(4) Q s-1 (receptor)-1 is in agreement with results from other species and corresponds to a corneal irradiance of about 7 x 10(10) Q s-1 cm-2.

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Section: Discussionsupporting

confidence: 89%

Spectral sensitivity of the African cichlid fish,Haplochromis burtoni

Allen

Fernald

1985

J. Comp. Physiol.

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“…A total of 38 experimental fish were monitored daily for evidence of an abnormal dorsal light reflex (DLR). The DLR allows fish to maintain body axis orientation in the water column, using downwelling light as the environmental cue (Silver, 1974). Damage to a single eye, resulting in unilateral loss of visual function, causes a fish to tilt such that the damaged eye looks upward toward the source of downwelling light (Mensinger and Powers, 1999).…”

Section: Animals and Intraocular Injectionsmentioning

confidence: 99%

Ganglion cell regeneration following whole‐retina destruction in zebrafish

Lama-Sherpa

Fimbel

Mallory

et al. 2007

Developmental Neurobiology

152

174

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The retinas of adult teleost fish can regenerate neurons following injury. The current study provides the first documentation of functional whole retina regeneration in the zebrafish, Danio rerio, following intraocular injection of the cytotoxin, ouabain. Loss and replacement of laminated retinal tissue was monitored by analysis of cell death and cell proliferation, and by analysis of retina-specific gene expression patterns. The spatiotemporal process of retinal ganglion cell (RGC) regeneration was followed through the use of selective markers, and was found to largely recapitulate the spatiotemporal process of embryonic ganglion cell neurogenesis, over a more protracted time frame. However, the re-expression of some ganglion cell markers was not observed. The growth and pathfinding of ganglion cell axons was evaluated by measurement of the optic nerve head (ONH), and the restoration of normal ONH size was found to correspond to the time of recovery of two visually-mediated behaviors. However, some abnormalities were noted, including overproduction of RGCs, and progressive and excessive growth of the ONH at longer recovery times. This model system for whole-retina regeneration has provided an informative view of the regenerative process.

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“…The brighter the light, the more strongly the animals tilt towards the light source. This dorsal light reaction has previously been used to determine spectral sensitivities in other fish species (Silver, 1974;Powers, 1978). A. pulcher, however, showed only negligible tilt when illuminated with light levels that induced an almost 90°tilt in the goldfish we used for comparison.…”

Section: Dorsal Light Reactionmentioning

confidence: 99%

Rearing in different photic and spectral environments changes the optomotor response to chromatic stimuli in the cichlid fish Aequidens pulcher

Kröger

Knoblauch

Wagner

2003

Journal of Experimental Biology

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Developmental plasticity of spectral processing in vertebrates was investigated in fish by using an innate behavior, the optomotor response. Rearing blue acara (Aequidens pulcher; Cichlidae) under white lights of different intensities as well as deprivation of long wavelengths induced significant changes in the animals' responses to chromatic stimuli. Deprivation of short wavelengths had no effect. With this and previous studies on animals reared under similar conditions, we have demonstrated that developmental plasticity in spectral processing is present at a wide range of neural levels, spanning from photoreceptors to behavior. We hypothesize that earlier studies did not reveal such effects because of the rearing and testing conditions used.

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Photopic spectral sensitivity of the Neon Tetra [Paracheirodon innesi (Myers)] found by the use of a dorsal light reaction

Cited by 28 publications

References 7 publications

Spectral sensitivity of the African cichlid fish,Haplochromis burtoni

Spectral sensitivity of the African cichlid fish,Haplochromis burtoni

Ganglion cell regeneration following whole‐retina destruction in zebrafish

Rearing in different photic and spectral environments changes the optomotor response to chromatic stimuli in the cichlid fish Aequidens pulcher

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