Sensory processing sensitivity is not a disorder. It is a stable personality trait, first formalized in the 1990s by researchers studying what they described as highly sensitive persons, that reflects a deeper processing of sensory and social stimuli. Children high in this trait notice subtleties others miss, react more intensely to novelty and change, and can be easily overstimulated by bright lights, noise, and crowded environments. The trait is typically measured along dimensions that include ease of excitation, low sensory threshold, and aesthetic sensitivity — the last of which is considered a positive dimension, capturing appreciation of beauty and art rather than vulnerability. What makes the trait scientifically interesting is its dual character: the same nervous system that registers threat and overstimulation quickly also processes beauty, empathy, and nuance deeply.

The research team, led by investigators from the High Institute of Public Health at Alexandria University together with collaborators from the Ministry of Health and Population, the London School of Hygiene and Tropical Medicine, and other Egyptian institutions, set out to quantify the trait and its relationship with emotional and behavioral difficulties in a population where such data had been scarce. They recruited 391 parents of Egyptian children aged 4 to 17 years through online platforms, an approach that allowed them to reach families across a broad geographic and social range. The children’s mean age was 9 years, with a standard deviation of 3.75, and 57.5 percent were male.

Methodologically, the study leaned on two well-validated instruments. Parents completed the Arabic version of the Strengths and Difficulties Questionnaire, a widely used screening tool that generates an overall score of psychological difficulty along with subscales for emotional problems, conduct problems, hyperactivity, peer problems, and prosocial behavior. Scores on each subscale fall into bands, with the highest band indicating an at-risk or elevated level of difficulty. To capture sensory processing sensitivity, parents also completed the Highly Sensitive Person Scale adapted for children, which asks about how the child responds to sensory and social stimulation. Sociodemographic details rounded out the questionnaire, and the analysis was conducted using standard statistical software, with chi-square tests comparing the proportions of hypersensitive and non-hypersensitive children who fell into the at-risk bands on each SDQ dimension.

The baseline results alone are sobering. Nearly half of the sampled children — 46.3 percent — had a total SDQ score in the at-risk or elevated range, meaning their parents reported a meaningful level of psychological difficulty. The single heaviest burden sat on the emotional problems subscale, where 55 percent of children scored at-risk or elevated. By contrast, prosocial behavior was the healthiest dimension, with only 12 percent of children falling into the at-risk band — a reassuring sign that most of these children still relate warmly and helpfully to others even when they struggle emotionally.

Against this backdrop, the trait itself appeared in 10.2 percent of the sampled children, who met the study’s threshold for hypersensitivity. That proportion is consistent with estimates from other populations, where roughly 10 to 30 percent of individuals are typically classified as highly sensitive, but it is among the first such measurements in Egyptian children. The demographic profile of the sensitive group matters for interpreting what followed, because the trait’s expression can be shaped by environment, parenting, and culture, and the study’s authors explicitly frame their work as a call for further research into the moderators that amplify or buffer the trait’s impact on the child and family.

The central comparison, between hypersensitive and non-hypersensitive children, produced the study’s most consequential numbers. On the emotional problems subscale, 82.5 percent of hypersensitive children scored at-risk or elevated, compared with 66.7 percent of non-hypersensitive children — a difference that reached statistical significance at p equals 0.04. In plain terms, highly sensitive children were markedly more likely to be experiencing emotional difficulties such as worry, unhappiness, nervousness, and fearfulness. This aligns with the theoretical expectation that a nervous system tuned to register stimuli deeply will also register distress deeply, and it echoes prior findings linking high sensory processing sensitivity to anxiety and depressive symptoms in children elsewhere.

Yet the story is not one of uniform vulnerability, and the study’s other two significant comparisons complicate any simple narrative. On the hyperactivity subscale, only 27.5 percent of hypersensitive children scored at-risk or elevated, compared with 48.1 percent of non-hypersensitive children, a difference significant at p equals 0.01. On prosocial behavior, the gap was even sharper: just 7.5 percent of hypersensitive children fell into the at-risk band, against 28.5 percent of non-hypersensitive children, significant at p equals 0.004. Highly sensitive children, in other words, were less likely to show hyperactive or attentional difficulties and less likely to show deficits in warm, helpful social behavior. The trait that deepens emotional distress also appears to coexist with calmer behavior and stronger social relating — a pattern consistent with the idea that sensitivity and empathy travel together.

These results carry real weight for how parents, teachers, and clinicians think about the highly sensitive child. The emotional problems that cluster around the trait are the kind that can be invisible in a busy classroom — internalizing difficulties rather than acting out — which means sensitive children may suffer quietly while drawing less attention than children with disruptive behavior. The study’s authors argue that this calls for further investigation into the trait’s impact on the child and family, its moderators, and the effectiveness of psychosocial interventions designed for children with high sensory processing sensitivity. Internationally, researchers studying the trait have emphasized that highly sensitive children respond disproportionately to both negative and positive environments, a pattern sometimes described as differential susceptibility, meaning that supportive parenting and calm, predictable settings can buffer the emotional costs the trait carries.

The study is not without limits, and the authors are candid about them. The cross-sectional design cannot establish whether sensory processing sensitivity causes emotional problems or whether the two simply co-occur; the online recruitment may skew the sample toward families with internet access; and parent-reported questionnaires capture the parents’ perception of the child rather than the child’s own experience. The sample of 391, while respectable, is modest relative to the population of Egyptian children, and the trait threshold used to define hypersensitivity, while grounded in the instrument’s scoring, represents a cutoff rather than a biological boundary. Even so, the work stands as a substantial first quantitative mapping of the trait in this population, and its core message is hard to dismiss: sensory processing sensitivity is present in Egyptian children at meaningful rates, it is tightly bound to emotional difficulty, and it coexists with strengths in behavior and social relating that deserve as much attention as the vulnerabilities. For the roughly one in ten children who carry the trait, the finding is a reminder that depth of feeling is not a flaw to correct but a characteristic to understand — and that the environments adults build around sensitive children may matter more than anyone previously assumed.

Subject of Research: The relationship between sensory processing sensitivity trait and emotional and behavioral problems among Egyptian children

Article Title: The relationship between sensory processing sensitivity trait and emotional and behavioral problems among Egyptian children

Article References: Shata, Z. N., Badr, E. T., Omran, H. A., Alkasaby, M., Hamdaalah, A., Soliman, A., & Othman, S. S. (2026). The relationship between sensory processing sensitivity trait and emotional and behavioral problems among Egyptian children. BMC Pediatrics, 26(1), Article 836. https://doi.org/10.1186/s12887-026-07415-z

Image Credits: AI Generated

DOI: 10.1186/s12887-026-07415-z

Keywords: relationship, between, sensory, processing, sensitivity, trait, emotional, behavioral, problems, Egyptian, children, scientific research