title: Mammalian vision: rods are a bargain.
abstract: To maintain resting potentials in darkness, rod and cone photoreceptors incur a significant energy cost. But in brighter light, rods become energetically 'cheaper' than cones, which might explain the evolution of the vertebrate duplex retina.
authors.affiliation: Department of Cell & Organism Biology, Zoology Building, University of Lund, Helgonavägen 3, S-22362 Lund, Sweden. Eric.Warrant@cob.lu.se
authors.forename: Eric J
authors.initials: EJ
authors.lastname: Warrant
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D000818:Animals; D005075:Biological Evolution; D003624:Darkness; D004734:Energy Metabolism; D008027:Light; D017949:Retinal Cone Photoreceptor Cells / Q000502:physiology; D017948:Retinal Rod Photoreceptor Cells / Q000166:cytology / Q000502:physiology*; D014785:Vision, Ocular / Q000502:physiology*
chemical_list: D000255:Adenosine Triphosphate