This book provides an introduction to the current scientific understanding of the human brain and its processes. Chapter 1, "At the Edge of a Major Transformation," is an introduction to the field. Chapter 2, "How Our Brain Organizes Itself on the Cellular and Systems Levels," covers what body/brain cellular systems do, how cells process units of information, and how the brain organizes itself into large networks of cells. Chapter 3, "How Our Brain Interacts with the Outside Environment," looks at the sensory system and the motor system. Chapter 4, "How Our Brain Determines What's Important," explores emotion and attention and their educational applications. Chapter 5, "How Our Brain Learns, Remembers, and Forgets," explains the physical changes that occur in neural networks when a memory is formed or erased, the functional organization and operation of the memory systems the brain uses, and the procedures used to maintain selected important memories. Chapter 6, "How Our Brain Solves Problems," looks at the brain's use of biological, cooperative, technological, and drug resources. Chapter 7, "How Our Brain Adapts Itself to Its Environment," reports on key animal and human research findings. Appendixes contain information on the neurotransmitter systems and related drug actions and neural transmission. (Contains over 150 references.) (JB)