An Israeli neuroscientist, she is best known for her work on acetylcholine and its relevance in stress responses and neurodegenerative diseases such as Parkinson's and Alzheimer's. Based in Jerusalem, she explores the boundaries between science and religion. As a woman, she strived to achieve a prominence in her field, becoming a role model for women in science. In this interview she discusses positive and negative emotions, explains what happens in our brain and in our whole body when we feel pain or joy.