The Midbrain Periaqueductal Gray Matter: Functional, Anatomical, and Neurochemical Organization

Front Matter....Pages i-ix
Emerging Principles of Organization of the Midbrain Periaqueductal Gray Matter....Pages 1-8
Front Matter....Pages 9-9
Neurochemical Study of PAG Control of Vocal Behavior....Pages 11-21
Activity of PAG Neurons During Conditioned Vocalization in the Macaque Monkey....Pages 23-40
Discharge Relationships of Periaqueductal Gray Neurons to Cardiac and Respiratory Patterning During Sleep and Waking States....Pages 41-55
What is the Role of the Midbrain Periaqueductal Gray in Respiration and Vocalization?....Pages 57-66
Functional Organization of PAG Neurons Controlling Regional Vascular Beds....Pages 67-100
Interactions Between Descending Pathways from the Dorsal and Ventrolateral Periaqueductal Gray Matter in the Rat....Pages 101-120
Analgesia Produced by Stimulation of the Periaqueductal Gray Matter: True Antinoceptive Effects Versus Stress Effects....Pages 121-138
Differences in Antinociception Evoked from Dorsal and Ventral Regions of the Caudal Periaqueductal Gray Matter....Pages 139-150
The Midbrain Periaqueductal Gray as a Coordinator of Action in Response to Fear and Anxiety....Pages 151-173
Midbrain Periaqueductal Gray Control of Defensive Behavior in the Cat and the Rat....Pages 175-198
Does the PAG Learn about Emergencies from the Superior Colliculus?....Pages 199-209
Midbrain PAG Control of Female Reproductive Behavior: In Vitro Electrophysiological Characterization of Actions of Lordosis-Relevant Substances....Pages 211-235
Front Matter....Pages 237-237
Descending Pathways from the Periaqueductal Gray and Adjacent Areas....Pages 239-265
Induction of the Proto-Oncogene c-fos as a Cellular Marker of Brainstem Neurons Activated from the PAG....Pages 267-286
The Nociceptive Modulatory Effects of Periaqueductal Gray Activation are Mediated by Two Neuronal Classes in the Rostral Ventromedial Medulla....Pages 287-303
Localization of Putative Amino Acid Transmitters in the PAG and their Relationship to the PAG-Raphe Magnus Pathway....Pages 305-327
GABAergic Neuronal Circuitry in the Periaqueductal Gray Matter....Pages 329-344
Organization of Spinal and Trigeminal Input to the PAG....Pages 345-363
Somatosensory Input to the Periaqueductal Gray: A Spinal Relay to a Descending Control Center....Pages 365-386
Front Matter....Pages 237-237
Hypothalamic Projections to the PAG in the Rat: Topographical, Immuno-Electronmicroscopical and Functional Aspects....Pages 387-415
Topographical Specificity of Forebrain Inputs to the Midbrain Periaqueductal Gray: Evidence for Discrete Longitudinally Organized Input Columns....Pages 417-448
Regional Subdivisions in the Midbrain Periaqueductal Gray of the Cat Revealed by In Vitro Receptor Autoradiography....Pages 449-464
Back Matter....Pages 465-473