At the end of the 20th century there was an emerging consensus among developmental neurobiologists that the establishment of thalamocortical connections (at about 26 weeks) is a critical event with regard to fetal perception of pain.
At the end of the 20th century, developmental neurobiologists began to agree that the establishment of thalamocortical connections (at about 26 weeks) is a critical event for pain perception in the fetus.