Visual Evoked Responses in Adolescent Idiopathic Scoliosis

Year 2023, , 738 - 746, 31.05.2023

Gonca İnanç , Burçin Akçay , Murat Ozgoren , Engin Sımsek , Adile Öniz

https://doi.org/10.30621/jbachs.1191538

Abstract

Objective: In electrophysiological studies conducted with adolescent idiopathic scoliosis (AIS) patients, no studies examining the visual evoked potentials of AIS patients were found in conjunction with objective vertical perception. The aim of this study was to examine the visual evoked potentials of individuals with AIS and healthy individuals in terms of their brain responses.
Method: Twelve AIS patients (12.75±0.86 years) and 10 healthy subjects (13.80±1.68 years) participated. A 64-channel electroencephalography (EEG) recording system, Embedded Microcontroller Unit (EMISU), visual stimulation unit, EEG cap, and video recording system were used to examine brain responses after applying visual stimulus.
Results: In AIS and control groups (CG), three positive and two negative peaks were observed after applying the stimulus. In the AIS, the first and second negative, and second positive peaks, and in the CG, the second positive and negative peaks appeared significantly earlier in the frontal region. The amplitude of the third positive peak in all regions was found to be higher in the AIS. In AIS and CG, the second positive peak was found to be significantly higher in the parieto-occipital region.
Conclusion: It can be deduced that AIS patients use more sources for processing the vertical visual stimuli than procedures compared to healthy individuals. In light of the findings obtained, the effect of treatments applied to AIS patients with the method used in this study can be evaluated in terms of brain responsiveness. In addition to the subjective visual perception of individuals with AIS, this method can also evaluate objective vertical perception.

Keywords

Adolescent Idiopathic Scoliosis, vertical perceptions, electroencephalography

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