This Brain Molecule Decides Which Memories Are Happy—or Terrible October 30, 2022, 07:36:32 AM This Brain Molecule Decides Which Memories Are Happy—or Terrible[html]When the brain encodes memories as positive or negative, a small peptide called neurotensin determines which way they will go.[/html]Source: This Brain Molecule Decides Which Memories Are Happy—or Terrible (http://ht**://www.wired.c**/story/this-brain-molecule-decides-which-memories-are-happy-or-terrible/) Quote Selected