Fear, anger, and disgust are powerful motivators—and they’re linked. All mammals have a structure called the amygdala which produces these negative reactions and keeps us safe from threats. The amygdala is highly responsive to experience and helps us learn how to deal with the world around us.

In week three, we talk about phobias and read excerpts from Jonathan Metzl’s The Protest Psychosis, Isobel Moore’s “The intersection of autism and gender in the negotiation of identity,” and Elle McNicoll’s A Kind of Spark.