NEW DELHI, Jun 8: A study has found that a group of brain cells might act as a “disappointment meter”, activating when reality falls short of expectations, and identifying these neurons could pave the way for a new and more effective class of medications for conditions like depression and addiction. The findings, published in the journal Current Biology, reveal that the feeling of being let down is something that particular cells in the brain are designed to detect and record. [...] The post Bra