The Relationship Between Emotional Content and Phonological Processing in Persian Speaking Children Who Stutter: A Study by Event-related Potential

  • Sousan Salehi Department of Speech Therapy, School of Rehabilitation, Arak University of Medical Sciences, Arak, Iran.
  • Ahmad Reza Khatoonabadi Mail Department of Speech Therapy, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran.
  • Mahmoudreza Ashrafi Department of Child Neurology, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran.
  • Ghasem Mohammadkhani Department of Audiology, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran.
  • Saman Maroufizadeh School of Nursing and Midwifery, Guilan University of Medical Sciences, Rasht, Iran.
Keywords:
Phonological processing, Emotional content, Developmental stuttering, Persian, ERP

Abstract

Introduction: Emotion can contribute to the severity of stuttering, although the underlying mechanism is unknown. Event-related Potential (ERP) could be very helpful for assessing emotional processing in persons with stuttering. Our study aimed at the investigation of phonological processing for emotional and neutral words in Children Who Stutter (CWS) by ERP.
Materials and Methods: Ten CWS were given 120 emotional and neutral words to read. Phonological processing was assessed by aloud reading task, while simultaneously ERP was recorded. The results were analyzed as behavioral (reaction time and accuracy) and electrophysiological (amplitude and topography).
Results: There were significant differences in reaction time and accuracy between positive, negative, and neutral words (P<0.05). The electrophysiological data analysis showed significant differences for a minimum of amplitude in the left frontal area, for a maximum of amplitude in the right temporal area, and peak to peak distance in the left frontal area (P<0.05). Visual inspection suggested that recorded fluctuations have a bigger amplitude range for neutral words in all brain regions, except prefrontal, frontal and right frontal.
Conclusion: Valence would affect behavioral measures. Generally, emotion facilitates word processing by reducing activity in anterior brain areas in phonological processing time.

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Published
2020-09-14
How to Cite
1.
Salehi S, Khatoonabadi AR, Ashrafi M, Mohammadkhani G, Maroufizadeh S. The Relationship Between Emotional Content and Phonological Processing in Persian Speaking Children Who Stutter: A Study by Event-related Potential. jmr. 14(3):141-150.
Section
Research Article(s)