PSY 102 Grand Canyon Week 1 Complete Work PSY102 PSY 102 Grand Canyon Week 1 Complete Work PSY 102 Grand Canyon Week 1 Discussion 1 Define psychology. How did psychology come into existence? From your readings, what are some of the contributions that psychology has produced for humanity? PSY 102 Grand Canyon Week 1 Discussion 2 What is the relationship between the brain and behavior? What are some examples that might illustrate this?