Sensations may well manage to "cross over," supplying the feeling of Listening to colors and observing Seems. These modifications is usually scary and may cause panic. Some LSD people also practical experience intense, terrifying feelings and inner thoughts, dread of dropping Management, and panic of insanity or Dying. Albert Hofmann, https://medium.com/@LsdWorld/introduction-to-lsd-what-you-need-to-know-e70ffecb3a92