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 ¿Best Interest¿ 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 ¿Old¿ and in with the ¿New¿¿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.