What would Darwin likely say about the role of emotions in communication among humans?

Which of the following refers to the process by which facial expressions influence emotional experiences?

If someone is experiencing intense anxiety, what change in breathing pattern is most likely to occur?

In the context of universal emotions, which of the following is considered a primary emotion?

Which hormone is primarily responsible for the 'fight or flight' response during stressful situations, thereby contributing to the energy behind emotions?

How does the development of empathy in children relate to their cognitive maturation?

During a stressful job interview, what physiological responses are likely to be observed?