TY - BOOK AU - Nigg, Joel T TI - What causes ADHD?: Understanding what goes wrong and why SN - 9781593852672 U1 - 618.928589 PY - 2009/// CY - New Delhi PB - The Guilford Press N1 - Part I: Conceptual Context. ADHD's Controversies. Defining "Disorder." Part II: How Does ADHD Work? Neural Systems. Attention and Arousal. Executive Functioning or Cognitive Control. Motivation. Motor Control and Timing. Part III: Where Does ADHD Come From? Multiple Pathways. Genetic Effects. Uncommon Experiential Risk Factors. Common Experiential Risk Factors. Part IV: Integration. Multiple Pathways Reconsidered. ER -