"The Physical Basis of Mind" by George Henry Lewes is a seminal work in the field of philosophy of mind, originally published in the late 19th century as the second series of "Problems of Life and Mind." In this book, Lewes delves into the relationship between the physical processes of the brain and the phenomena of consciousness and mental life.

Lewes was a philosopher and literary critic deeply interested in the intersection of science and philosophy. In "The Physical Basis of Mind," he explores how the brain's structure and functions give rise to mental phenomena such as perception, cognition, and emotion. He argues against dualistic views that separate the mind and body, instead proposing a materialistic approach that emphasizes the unity of mental and physical processes.

The book examines various scientific discoveries and theories of Lewes's time, including developments in neurology, physiology, and psychology. Lewes aims to establish a coherent framework for understanding the mind-body relationship that integrates insights from both the natural sciences and philosophy.

Overall, "The Physical Basis of Mind" is a comprehensive exploration of the physical foundations of consciousness and mental life, offering valuable insights into the nature of mind from a scientific and philosophical perspective.