Functional Organization of Dorsal Horn Interneurons
Sensory processing in the spinal cord involves the interaction between primary afferent fibers bearing information from the sensory receptors, interneurons, ascending tract cells conveying sensory messages to the brain, and descending tract cells modulating cord circuits. Such interactions are complex and still poorly understood. In this chapter, evidence will be discussed concerning the interactions between primary afferents and spinal intemeurons and also between the descending tracts and interneurons. The organization of the ascending tracts and also their descending control will form the subject matter of Chapters 5–8.
KeywordsReceptive Field Dorsal Horn Muscle Afferents Cutaneous Afferents Substantia Gelatinosa
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