Watch two asynchronous class presentations listed below:

1. Asynchronous Lecture 3B: Psychophysiology of stress https://youtu.be/MegUXdsYMyY

2. Dr. Edward Tronick's Still Face Experiment (599) Still Face Experiment Dr Edward Tronick - YouTube

• After watching both asynchronous class video presentations, Asynchronous lecture 3B:Psychophysiology of stress andDr. Edward Tronick's Still Face Experiment, participate in the discussion by integrating these presentations with the assigned reading of Why Zebras do not get ulcers. Comment on the important concepts presented in these presentations and how they are different or similar to the readings you have done in Sapolsky's book, Why Zebras don't get ulcers...
• Then write about 2 wrds of critical feedback, including why it meant something