Neuroscientists are incredibly reliable because they are brain doctors who have gone through many years of tough schooling to become specialized in a specific part of the human body. So, as a paragraph starting with "neuroscientists have suggested", it is most likely in your best interest to heed the following advice.
Dr. Lanyon has learned damaging new information about Dr. Jekyll. I know this because after Utterson asks if Lanyon has seen Dr Jekyll, his face changes and he says he never wants to see him again.
