Understanding how emotions show up in the body’s electrical signals
This edition presents Frederic Lyman Wells’s exploration of how emotional states affect galvanic activity in the human body. It explains the kinds of experiments used to separate changes in potential from changes in body resistance, and why sweat-gland activity plays a central role.
The text describes how researchers built a comfortable setup to measure skin responses, compare methods, and interpret readings. It also discusses what the findings imply about where these signals originate and how they relate to emotional experiences.
- How sweat glands influence electrical deflections and body resistance
- Different methods to separate potential changes from resistance changes
- Evidence supporting sweat-gland activity as a major contributor to galvanic responses
- How emotional stimuli are reflected in measured readings and reaction times
Ideal for readers curious about the science of emotion, physiological signals, and how experiments study mind–body connections.