A grouped retina provides high temporal resolution in the weakly electric fish Gnathonemus petersii
Keywords: SO، Stratum opticum; 2-AFC, Two alternative forced choice method; CFF, Critical flicker fusion frequency; CSD, Current source-density; LED, Light emitting diode; S+, positive stimulus; S-, negative stimulus; SFGS, Stratum fibrosum et griseum superficiale; SO, Stratum opticum;