• Taylor DN

• Affiliation / Texas Chiropractic College. Department of Clinical Sciences
• Affiliation(G) / United States / Texas / Pasadena
• Central Nervous System Sensitization
• Manipulation, Spinal
• Models, Neurological
• Neuronal Plasticity
• Open Access Document

Objective: The purpose of this study was to examine the extent of the literature on the neurophysiological lesion as referenced in functional neurology.

Methods: A literature search was performed within the period from 2010 to March 2021. Search terms included central sensitization, central sensitivity syndrome, nociplastic pain, cold hyperalgesia, heat hyperalgesia, mechanical hyperalgesia, dynamic mechanical allodynia, temporal summation, spatial summation, and descending inhibition. A qualitative synthesis summarized the research findings, including clinical conditions and effect of spinal manipulation.

Results: There were 30 studies, which included 7 high-level studies (meta-analysis or systematic reviews), 22 randomized controlled studies, and 1 scoping review. The findings suggest the existence of the changes in the central integrated state of a population of neurons with various disorders, experimentally induced stimulation, and treatment. The current literature suggests plasticity of the central integrative state (CIS) with the onset of pathologies and the changes in the CIS with different conservative nonpharmacologic treatments.

Conclusions: This review suggests changes in the resting state of the CIS of a population of neurons that exist in the physiologic lesion may change in response to various therapies, including manipulative therapy. The findings from this review provide support of the hypothesis that nonpharmacologic conservative care may affect the neurophysiological lesion. However, studies were heterogeneous and evidence was lacking in the translation of targeting the therapies to distinct neuronal areas for clinical outcomes to treat specific disease states.

Author Keywords:  Chiropractic; Neuronal Plasticity; Manipulation, Spinal; Central Nervous System Sensitization; Models, Neurological

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