Inter-hemispheric somatosensory coherence and parental stress in hypersensitivity at 8 months old: An electroencephalography study.

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  • Additional Information
    • Source:
      Publisher: Elsevier Country of Publication: Netherlands NLM ID: 100883319 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1872-8952 (Electronic) Linking ISSN: 13882457 NLM ISO Abbreviation: Clin Neurophysiol Subsets: MEDLINE
    • Publication Information:
      Original Publication: Amsterdam : Elsevier, c1999-
    • Subject Terms:
      Electroencephalography*/methods ; Evoked Potentials, Somatosensory*/physiology ; Parents*/psychology ; Stress, Psychological*/physiopathology; Humans ; Male ; Female ; Infant ; Somatosensory Cortex/physiopathology ; Somatosensory Cortex/physiology ; Hypersensitivity/physiopathology
    • Abstract:
      Objective: Infant hypersensitivity affects daily challenges and parental stress. Although the crucial role of tactile sensation in infants' brain function has been highlighted, hypersensitive infants and their families lack support. Electroencephalography may be useful for understanding hypersensitivity traits. We investigated the relationship between infant perceptual hypersensitivity and parental stress, somatosensory-evoked potential (SEP), and magnitude-squared coherence (MSC) in the general population.
      Methods: Infants aged 8 months (n = 63) were evaluated for hypersensitivity and parental stress using a questionnaire and for cortical activity using electroencephalography. Vibration stimuli were applied to the infant's left foot. SEP components that peaked around 150 ms (N2) and at 200 ms (P2) after stimulus onset were evaluated by amplitude and latency at the midline electrode (Cz) and MSC between the midline electrodes (C3-C4).
      Results: Parental stress was associated with infant hypersensitivity. The latency of Cz was delayed, and C3-C4 delta MSC was high in infants with hypersensitivity.
      Conclusions: Increasing inter-hemispheric MSC synchrony in the stimulated condition in infants with hypersensitivity suggested atypical somatosensory cortical function.
      Significance: These findings contribute to identifying, understanding the mechanisms of, and developing effective coping strategies for early-stage hypersensitivity.
      (Copyright © 2024 International Federation of Clinical Neurophysiology. Published by Elsevier B.V. All rights reserved.)
    • Contributed Indexing:
      Keywords: Inter-hemispheric connectivity; Magnitude-squared coherence; Sensory profile; Sensory sensitivity; Somatosensory-evoked potential
    • Publication Date:
      Date Created: 20240517 Date Completed: 20240613 Latest Revision: 20240613
    • Publication Date:
      20240614
    • Accession Number:
      10.1016/j.clinph.2024.04.015
    • Accession Number:
      38759514