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The retinotopic map for the contralateral eye is similar to that found in the pigmentedrats and in other rodents. Cells which had ipsilateral responses were recorded in a fairlylarge area in tale rostral portion of the tectum. Their receptive fields lay from about 40°in the contralateral hemifield to about 40°in the ipsilateral hemifield. The ipsilateral re-sponse of a binocular cell is similar in almost every respect to its counterpart in the oppositeeye except being very weak and that the receptive field is usually smaller. Most binocularcells are distributed in the Stratmn grisemn superfieiale (SGS) and the Stratum optieum (SO).Less binocular cells recorded in the Stratum griseum intermediale (SGI) have moro scatter-ed distribution both in the size and in the position of the receptive field.
The retinotopic map for the contralateral eye is similar to that found in the pigmentedrats and in other rodents. Cells which had ipsilateral responses were recorded in a fairly large area in tale rostral portion of the tectum. Their receptive fields lay from about 40 ° in the contralateral hemifield to about 40 ° in the ipsilateral hemifield. The ipsilateral re-sponse of a binocular cell is similar in almost every respect to its counterpart in the oppositeeye except being very weak and that the receptive field is usually smaller. Most binocular cells are distributed in the Stratmn grisemn superfieiale (SGS) and the Stratum optieum (SO) .Less binocular cells recorded in the Stratum griseum intermediale (SGI) have moro scatter-ed distribution both in the size and in the position of the receptive field.