When René Descartes watched a mechanical figure move with lifelike precision in the 17th century, the scene unsettled him. The machine behaved like a person, yet no one believed it could feel. That ...

An unprecedented brain study has delivered fresh clues about consciousness—suggesting it's more about perception than planning. Two leading theories went head-to-head, but neither emerged victorious.

Researchers believe other species could help explain the mysterious origins of our consciousness. One new paper argues that consciousness evolved in distinct waves from environmental pressures, like a ...

Christof Koch is a meritorious investigator at the Allen Institute in Seattle, Washington, and the chief scientist of the Tiny Blue Dot Foundation in Santa Monica, California. Humans and other animals ...

Blurred age distinctions: American society before 1850 -- Origins of age grading: education and medicine -- Age norms and scheduling: the 1890s -- Intensification of age norms: 1900-1920 -- Emergence ...

An experiment seven years in the making has uncovered new insights into the nature of consciousness and challenges two prominent, competing scientific theories: Integrated Information Theory (IIT) and ...