Complex sentence: However, it remains to be seen whether the effects in the social brain caused the symptoms observed to autism spectrum conditions or whether these effects were picked up at a later stage in response to the sustained behavioral experiences.
Split into simpler sentences: However, it has not been established that the effects in the social brain actually cause the symptoms observed to autism spectrum conditions. It may also be the case that these effects were picked up at a later stage in response to the sustained behavioral experiences.