What causes ADHD? : understanding what goes wrong and why / Joel T. Nigg.

Conceptual context
ADHD's controversies
Defining "disorder"
How does ADHD work?
Neural systems
Attention and arousal
Executive functioning or cognitive control
Motivation
Motor control and timing
Where does ADHD come from?
Multiple pathways
Genetic effects
Uncommon experiential risk factors
Common experiential risk factors
Integration
Multiple pathways reconsidered
Conclusion.