Swim is bringing up now the  chapters 4, 5 and 6,

all giving a nice inside-view:

Chapter 1, 2 and 3-  https://exilope.wordpress.com/2010/04/09/chapter-1-organization-and-function-of-the-nervous-system/

Chapter 4: Anxiety Disorders: Panic, Generalized Anxiety, and Obsessive Compulsive Disorders

Chapter_4

Chapter 5: Psychotic Disorders: Schizophrenia

Chapter_5

Chapter 6: Attention and Developmental Disorders: Attention-Deficit/Hyperactivity Disorder and Pervasive Developmental Disorders

Chapter_6