The Limbic System

1 The Structure of the Limbic System.- The Limbic System in Nonmammals.- The Question of Homology.- The Hypothalamus.- Nuclear Groups.- Fiber Systems.- The Amygdala.- Nuclear Groups.- Fiber Systems.- The Hippocampus.- Layers of the Hippocampus.- Subdivisions of the Hippocampus.- Layers of the Fascia Dentata.- Transitional Zones to the Hippocampus.- The Fornix.- The Septal Area.- Nuclear Groups.- Fiber Connections.- The Mammillary Bodies, the Anterior Thalamus, and the Cingulate Cortex.- Limbic System-Midbrain Relations.- 2 The Hypothalamus.- Pleasurable Reactions.- The Location of Pleasure Regions.- Pain and Punishment.- The Location of Pain Regions.- Elicited Behaviors.- Changes in Elicited Behaviors.- Self-Stimulation, Arousal and Elicited Behaviors.- Relations with the Autonomic Nervous System.- Lesions of the Lateral Hypothalamus.- A Modification of the Lateral Hypothalamic Syndrome.- Escape Behavior.- Sensory Neglect.- Ventromedial Hypothalamic Lesions.- Selective Lesions in the Hypothalamus.- Neurochemical Systems.- The Neurochemistry of Eating.- The Neurochemistry of Behavioral Suppression.- The Mammillary Bodies, the Mammillothalamic Tract, and the Cingulate Cortex.- Lesions of the Mammillothalamic Tract.- The Cingulate Cortex: Avoidance Tasks.- Other Behavioral Contributions of the Cingulate Cortex.- Reflections and Summary.- 3 The Amygdala.- General Effects Produced by Amygdala Stimulation or Lesions.- Autonomic Effects.- Orienting and Habituation.- Emotional Changes.- Arousal and Social Reactivity.- Studies of Learning and Memory.- Aversive Conditioning.- Response Suppression in Appetitive Tasks.- Transfer and Transposition.- Reflections and Summary.- 4 The Septal Area.- General Changes Following Septal Lesions.- Emotionality.- Water Consumption.- Social Behavior.- Activity.- Changes in Performance on Learning Tasks After Septal Lesions-Avoidance Behaviors.- Response Inhibition in Appetitive Tasks.- Electrical Stimulation of the Septal Area.- Autonomic Effects Produced by Septal Stimulation.- Neurochemical Considerations.- Reflections and Summary.- 5 The Hippocampus.- General Changes Produced by Hippocampal Damage.- Locomotor Activity.- Distractibility.- Alternation.- Relations to the Autonomic Nervous System.- Endocrine Relations.- Studies of Learning and Memory-Avoidance Conditioning.- Learning in Appetitive Tasks.- The DRL Impairment.- Discrimination Learning.- Frustration.- Individual Differences in Learning Studies.- Perseveration.- Regional Differences Within the Hippocampus.- Electrical Rhythms of the Hippocampus.- The Conditioning of Hippocampal Slow Waves.- Electrical Seizure Activity.- Seizures and Memory.- Behavioral Consequences of Artificial Epileptogenic Foci.- Summary and Reflections.- 6 The Graven Image, Lethe, and the Guru.- The Triune Brain.- Animals with Predominantly Protoreptilian Brains.- More Complicated Forms of Learning and Memory.- The Limbic System and the Paleomammalian Brain.- Proactive Interference.- Inferred Characteristics of the Reptilian Core Brain.- The Neocortex: The Guru.- References.- Author Index.