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- Giant_retinal_ganglion_cells abstract "Giant retinal ganglion cells are photosensitive ganglion cells with large dendritic trees discovered in the human and macaque retina by Dacey et al. (2005).Giant retinal ganglion cells contain a photo-pigment, melanopsin, allowing them to respond directly to light. They also receive connections from rods and cones, allowing them to encode colour and spatial information. Dacey et al. found the giants' receptive field sizes to be about three times the diameter of those of parasol ganglion cells. There are only about 3000 giant retinal ganglion cells in each retina, comprising about 0.2% of the total number of retinal ganglion cells. When a giant is responding directly to light, Dacey et al. found its spectral sensitivity function to be similar in shape to those of rods and cones, but with a peak at 482 nm, in between S cones and rods. Dacey et al. also found giants' dynamic range to be 3-4 log units, far larger than any other photoreceptor type's and covering nearly the entire range of illuminations of natural daylight. Under naturalistic lighting conditions, responses to the rods and cones are superimposed on the melanopsin response of giant retinal ganglion cells. Giants encode colour via an S-Off, (L + M)-On opponency. Their spatial modulation transfer function is low-pass, with an upper limit of about 0.6 cycles per degree. Dacey et al. propose that the giants subserve the subconscious, 'non-image-forming' functions of circadian photoentrainment and pupillary diameter, and via the rod and cone inputs, may help mediate conscious perception of irradiance.".
- Giant_retinal_ganglion_cells wikiPageExternalLink nature03387.html.
- Giant_retinal_ganglion_cells wikiPageID "1516120".
- Giant_retinal_ganglion_cells wikiPageLength "2239".
- Giant_retinal_ganglion_cells wikiPageOutDegree "18".
- Giant_retinal_ganglion_cells wikiPageRevisionID "641878034".
- Giant_retinal_ganglion_cells wikiPageWikiLink Category:Circadian_rhythm.
- Giant_retinal_ganglion_cells wikiPageWikiLink Category:Histology.
- Giant_retinal_ganglion_cells wikiPageWikiLink Category:Human_eye_anatomy.
- Giant_retinal_ganglion_cells wikiPageWikiLink Circadian_rhythm.
- Giant_retinal_ganglion_cells wikiPageWikiLink Color.
- Giant_retinal_ganglion_cells wikiPageWikiLink Cone_cell.
- Giant_retinal_ganglion_cells wikiPageWikiLink Human.
- Giant_retinal_ganglion_cells wikiPageWikiLink Intrinsically_photosensitive_retinal_ganglion_cells.
- Giant_retinal_ganglion_cells wikiPageWikiLink Irradiance.
- Giant_retinal_ganglion_cells wikiPageWikiLink Low-pass_filter.
- Giant_retinal_ganglion_cells wikiPageWikiLink Macaque.
- Giant_retinal_ganglion_cells wikiPageWikiLink Melanopsin.
- Giant_retinal_ganglion_cells wikiPageWikiLink NeuroLex.
- Giant_retinal_ganglion_cells wikiPageWikiLink Receptive_field.
- Giant_retinal_ganglion_cells wikiPageWikiLink Retina.
- Giant_retinal_ganglion_cells wikiPageWikiLink Retinal_ganglion_cell.
- Giant_retinal_ganglion_cells wikiPageWikiLink Rod_cell.
- Giant_retinal_ganglion_cells wikiPageWikiLinkText "Giant retinal ganglion cells".
- Giant_retinal_ganglion_cells wikiPageWikiLinkText "giant retinal ganglion cells".
- Giant_retinal_ganglion_cells wikiPageUsesTemplate Template:Citation_needed.
- Giant_retinal_ganglion_cells wikiPageUsesTemplate Template:Eye-stub.
- Giant_retinal_ganglion_cells wikiPageUsesTemplate Template:Eye_anatomy.
- Giant_retinal_ganglion_cells subject Category:Circadian_rhythm.
- Giant_retinal_ganglion_cells subject Category:Histology.
- Giant_retinal_ganglion_cells subject Category:Human_eye_anatomy.
- Giant_retinal_ganglion_cells hypernym Cells.
- Giant_retinal_ganglion_cells type AnatomicalStructure.
- Giant_retinal_ganglion_cells comment "Giant retinal ganglion cells are photosensitive ganglion cells with large dendritic trees discovered in the human and macaque retina by Dacey et al. (2005).Giant retinal ganglion cells contain a photo-pigment, melanopsin, allowing them to respond directly to light. They also receive connections from rods and cones, allowing them to encode colour and spatial information. Dacey et al. found the giants' receptive field sizes to be about three times the diameter of those of parasol ganglion cells.".
- Giant_retinal_ganglion_cells label "Giant retinal ganglion cells".
- Giant_retinal_ganglion_cells sameAs Q5558489.
- Giant_retinal_ganglion_cells sameAs m.05793k.
- Giant_retinal_ganglion_cells sameAs Q5558489.
- Giant_retinal_ganglion_cells wasDerivedFrom Giant_retinal_ganglion_cells?oldid=641878034.
- Giant_retinal_ganglion_cells isPrimaryTopicOf Giant_retinal_ganglion_cells.