1 Introductory Remarks -- I Special Ethical Problems in Dealing with Neural and Behavioral Disorders -- 2 Making and Using Psychiatric Diagnoses: Ethical Issues -- 3 Problems of Informed Consent with the Cognitively Impaired -- 4 Treatment Refusals: Autonomy, Paternalism, and the โ{128}{156}Best Interestโ{128}{157} of the Patient -- 5 Ethical Considerations in the Care of Unconscious Patients -- 6 Legal Aspects of Ethics in the Neural Behavioral Sciences -- II Studies of the Biology Neurology of Behavior: Implications for Ethics -- 7 Out with the โ{128}{156}Oldโ{128}{157} and in with the โ{128}{156}Newโ{128}{157}โ{128}{148}The Evolution and Refinement of Sociobiological Theory -- 8 Some Paradoxical Goals of Cells and Organisms: The Role of the MHC -- 9 Motives and Metaphors in Considerations of Animal Nature -- 10 Neurobiological Origins of Human Values