The book presents a detailed discussion of the research in the development of a variety of attention skills in infants, children, adolescents, and adults; the alerting system, the orienting attention system, and the executive attention system. The second chapter reviews the varieties of dysfunctional attention in the modern Western world, with emphasis on the vulnerability of children to: mindlessness, distracted concentration, the problem of apportion attention across tasks, mind-wandering, reactivity, lack of coherence of mind, lack of sufficient working memory, and poor metacognitive skills. Emphasis is given to n]how multimedia, video-gaming, web browsing, and mobile devices affect attention in children. The third chapter reviews a wide range of intervention studies on training mindfulness, concentration, training to reduce mind-wandering, the effects of multitasking, and reactivity, and training to increase metacognitive skills, working mem