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Hindawi Publishing Corporation Neural Plasticity Volume 2016, Article ID 3704964, Research Article Manipulation of Dysfunctional Spinal Joints Affects Sensorimotor Integration in the Prefrontal Cortex: A

April 12 2016

 Hindawi Publishing Corporation

Neural Plasticity
Volume 2016, Article ID 3704964, 9 pages http://dx.doi.org/10.1155/2016/3704964

Research Article

Manipulation of Dysfunctional Spinal Joints Affects Sensorimotor Integration in the Prefrontal Cortex: A Brain Source Localization Study 

Abstract

 

Objectives. Studies have shown decreases in N30 somatosensory evoked potential (SEP) peak amplitudes following spinal manipulation (SM) of dysfunctional segments in subclinical pain (SCP) populations. This study sought to verify these findings and to investigate underlying brain sources that may be responsible for such changes. Methods. Nineteen SCP volunteers attended two experimental sessions, SM and control in random order. SEPs from 62-channel EEG cap were recorded following median nerve stimulation (1000 stimuli at 2.3 Hz) before and after either intervention. Peak-to-peak amplitude and latency analysis was completed for different SEPs peak. Dipolar models of underlying brain sources were built by using the brain electrical source analysis. Two-way repeated measures ANOVA was used to assessed differences in N30 amplitudes, dipole locations, and dipole strengths. Results. SM decreased the N30 amplitude by  % ( ), while no differences were seen following the control intervention ( ). Brain source modeling revealed a 4-source model but only the prefrontal source showed reduced activity by % () following SM.Conclusion. A single session of spinal manipulation of dysfunctional segments in subclinical pain patients alters somatosensory processing at the cortical level, particularly within the prefrontal cortex.

 

For more information follow this link:

http://centroquiropracticonilsson.com/archivos_subidos/manipulation_of_dysfunctional_spinal_joints_research_2016.pdf

 

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