N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion The bellringer... why does it occur? JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly.You should upgrade or use an alternative browser. Members who reacted to message #15 All (1) Like (1) Jun 3, 2025 4DQSAR Bluelighter Messages 5,450 Reaction score 3,557 Points 120 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion The bellringer... why does it occur?