Smelling a Rat, Passing on Fear and Pathogen Group Bias Posted 4 years ago Tagged Brian Dias and Kerry Ressler Mice Cherry Blossom Can we pass on fear Group Bias Mice Cherry Blossom Study Passing on Fear Pathogen Bias Studies show we pass fear and biases from generation to generation. We must be vigilant of how we sculpt the brains of those who come after us, because sculpting brains sculpts our realities.