"By showing us the human brain at work, PET (positron emission tomography) scans are subtly--and sometimes not so subtly--transforming how we think about our minds. This book follows this remarkable and expensive technology from the laboratory into the world and back. It examine…
Do numbers and the other objects of mathematics enjoy a timeless existence independent of human minds, or are they the products of cerebral invention? Do we discover them, as Plato supposed and many others have believed since, or do we construct them? Does the physical world act…
