Intensity dependence of auditory evoked potentials in primary dysmenorrhea

Bingren Zhang, You Xu, Wei He, Jiawei Wang, Hao Chai, Chanchan Shen, Qisha Zhu, Wei Wang*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Some studies suggest that women with primary dysmenorrhea have distinct emotional or personality features. For example, they might exaggerate their responses to external stimuli, such as to intensity-increasing auditory stimuli. Fifteen women with primary dysmenorrhea and 15 healthy women were invited to undergo tests of the intensity dependence of auditory evoked potentials (IDAEP), the Functional and Emotional Measure of Dysmenorrhea, and the Plutchik-van Praag Depression Inventory. Study participants with dysmenorrhea showed higher Functional and Emotional scale scores and stronger IDAEP. Regarding the IDAEP generation, the source inversion of N1 and P2 disclosed the activated bilateral superior temporal gyri, medial and superior prefrontal gyri in all participants, and additionally, the middle frontal gyri in dysmenorrhea patients. We report a pronounced IDAEP in primary dysmenorrhea, which indicates the decreased cerebral serotonergic innervations and points to increased activations in the prefrontal and frontal areas in the disorder. Perspective: Using an IDAEP technique, the authors found decreased serotonergic innervation and altered cerebral activation in women with primary dysmenorrhea, which might offer some pharmacotherapeutic clues for the disorder.

Original languageEnglish
Pages (from-to)1324-1332
Number of pages9
JournalJournal of Pain
Volume18
Issue number11
DOIs
Publication statusPublished - Nov 2017

Keywords

  • auditory evoked potentials
  • intensity dependence
  • primary dysmenorrhea
  • source analysis
  • women

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