The product is a textbook titled "Neurodegenerative Disorders: Loss of Function Through Gain of Function" by Y. Christen. It was published by Springer Berlin / Heidelberg in 2001 as part of the Research and Perspectives in Alzheimer's Disease Series. The book focuses on neurology and life sciences/neuroscience, with 189 pages covering the topic of neurodegenerative disorders. It is a hardcover format in English, measuring 9.3 inches in length and 6.1 inches in width.