Summarizes Grof's experiences and observations from more than forty years of research into non-ordinary states of consciousness. This accessible and comprehensi

Why do people spend so much time thinking about the future, imagining scenarios that may never occur, and making (often unrealistic) predictions ? This volume b

The distinguished psychologist Michael Cole, known for his pioneering work in literacy, cognition, and human development, offers a multifaceted account of what

Beyond the Brain seriously challenges the existing neurophysiological models of the brain. After three decades of extensive research on those non-ordinary state