Information Processing in the Somatosensory System: Proceedings of an International Symposium at the Wenner-Gren Center, Stockholm, 3—5 July, 1989

Front Matter....Pages i-xx
Front Matter....Pages 1-1
The Vicissitudes of Representations in the Neuro-Behavioral Sciences....Pages 3-10
Capacities and Limitations of Tactile Processing....Pages 11-22
Front Matter....Pages 23-23
Afferent Signals During Manipulative Tasks in Humans....Pages 25-48
Surface Microgeometry: Tactile Perception and Neural Encoding....Pages 49-58
Encoding of Shape in the Responses of Cutaneous Mechanoreceptors....Pages 59-69
Neural Population Encoding of Touch Intensity....Pages 71-80
Peripheral Neural Basis for the Tactile Perception of Texture....Pages 81-91
Front Matter....Pages 93-93
Cellular Organization in the Primate Postcentral Gyrus....Pages 95-107
GABAergic Neurones and Terminals in the Dorsal Column Nuclei and the Lateral Cervical Nucleus....Pages 109-132
Excitatory Amino Acid Receptor Mediated Synaptic Transmission in the Somatosensory System....Pages 133-142
Quantitative Measurements of Receptive Field Changes During Antagonism of GABAergic Transmission in Primary Somatosensory Cortex of Cat and Monkey....Pages 143-153
Distribution of Thalamic Input to the Sensorimotor Cortex of the Macaque Monkey....Pages 155-173
Front Matter....Pages 175-175
Ontogenetic and Phylogenetic Perspectives on Somatic Sensory Cortex and Tactile function....Pages 177-192
Neural Ontogeny of Higher Brain Function: Implications of Some Recent Neurophysiological Findings....Pages 193-209
The Parcellation of Somatosensory Cortex: Modules, Columns and Somatotopic Segregations....Pages 211-219
Detection and Characterization of the Mosaic Body Representation in SI Cortex....Pages 221-232
A Cortical Pathway Important for Tactual Object Recognition in Macaques....Pages 233-243
Neuromodulatory Substances, Somatosensory Cortical Neuronal Responsiveness and Long-term Changes in Neuronal Excitability....Pages 245-263
Plasticity and Functional Mutability of Somatosensory Pathways....Pages 265-274
The Physiological Anatomy of a Single Brain Function: Somatosensory Discrimination of Shape....Pages 275-286
Front Matter....Pages 287-287
Cortical Neuronal Mechanisms for Frequency Discrimination in the Somesthetic Sense of Flutter....Pages 289-303
Tactile Pattern Recognition....Pages 305-318
Transformation of Spatio-temporal Information by Somatosensory Neural Networks....Pages 319-327
Human Capacity to Process Directional Information Provided by Tactile Stimuli which Move across the Skin: Characterization and Potential Neural Mechanisms....Pages 329-339
Utilization of Temporal and Spatial Cues to Judge the Velocity and Traverse Length of a Moving Tactile Stimulus....Pages 341-352
Mechanisms of Dynamic Peri- and Intra-columnar Interactions in Somatosensory Cortex: Stimulus-specific Contrast Enhancement by NMDA Receptor Activation....Pages 353-369
Organization of the First Somatosensory Cortex for Manipulation of Objects: An Analysis of Behavioral Changes Induced by Muscimol Injection into Identified Cortical Loci of Awake Monkeys....Pages 371-380
Front Matter....Pages 381-381
Specificity in Characteristics of Fine Primary Afferent Fibers....Pages 383-398
Hyperalgesia....Pages 399-404
The Role of Primate Spinothalamic Neurons in Hyperalgesia....Pages 405-413
Specialized Neurons in the Medullary Dorsal Horn and the Somatosensory Cortex Involved in the Perception of Pain....Pages 415-425
Slow Potentials, Receptive Field Plasticity and Pain....Pages 427-437
Plasticity of the Neural Events Related to Pain....Pages 439-451
Neuropeptide Interactions with Pain....Pages 453-459
Back Matter....Pages 461-467