Complex sentence: Following the operation spontaneity, responsiveness, self-awareness and self-control were reduced, activity was replaced by inertia, and people were left emotionally blunted and restricted in their intellectual range.
Split into simpler sentences: Following the operation, spontaneity, responsiveness, self-awareness and self-control were reduced. Activity was replaced by inertia, and people were left emotionally blunted and restricted in their intellectual range.