Complex sentence: The receptive-field organization of tangential neurons (including H1 and V1) is independent of visual sensory information during early post-hatching development, suggesting the neurons are genetically fixed rather than developing by early visual experience.
Split into simpler sentences: The receptive-field organization of tangential neurons (including H1 and V1) is independent of visual sensory information during early post-hatching development. Suggesting that the neurons are genetically fixed rather than developing by early visual experience.