Foreword /Roger S. Fouts -- pt. I. Foundations of animal mental health and well-being -- 1. On understanding animal mentation / Bernard E. Rollin -- 2. The question of animal emotions : an ethological perspective / Marc Bekoff -- 3. The experience of pleasure in animals / Michel Cabanac -- 4. The science of suffering / Marian Stamp Dawkins -- 5. Affective-social neuroscience approaches to understanding core emotional feelings in animals / Jaak Panksepp -- pt. II. Emotional distress, suffering, and mental illness -- 6. Animal boredom : understanding the tedium of confined lives / Francoise Wemelsfelder -- 7. Stress, distress, and emotion : distinctions and implications for mental well-being / Franklin D. McMillan.