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Updated: Dec 6, 2025

Psychophysiological Assessment of the Effectiveness of Emotion Regulation Strategies in Childhood
Published on: February 11, 2017
Wellbeing differences in children with synaesthesia: anxiety and mood regulation
Julia Simner1, Rebecca Smees2, Louisa J Rinaldi2
1School of Psychology, Pevensey Building, University of Sussex. BN1 9QJ. UK, j.simner@sussex.ac.uk.
Insights
Children with synaesthesia (an unusual sensory trait) experience negative impacts on well-being, including higher anxiety and moderated emotional extremes. This study highlights potential mental health comorbidities in synaesthetic children.
Area of Science:
- Neuroscience
- Developmental Psychology
- Child Psychiatry
Background:
- Synaesthesia is a neurodevelopmental trait involving unusual sensory experiences.
- Existing research has not extensively explored synaesthesia's impact on children's mental well-being.
- Potential links between synaesthesia, alexithymia, anxiety, and autism are suggested.
Purpose of the Study:
- To investigate the impact of synaesthesia on children's well-being.
- To identify potential mental health comorbidities in children with synaesthesia.
- To examine the relationship between synaesthesia, affect, and anxiety.
Main Methods:
- Recruited 76 children (aged 6-10) with grapheme-colour or sequence-personality synaesthesia.
- Compared synaesthetes to nearly 1000 matched non-synaesthete controls.
- Assessed children's well-being using two distinct measures, focusing on affect and anxiety.
Main Results:
- Synaesthesia was significantly associated with affect (mood) and anxiety.
- Children with synaesthesia exhibited higher rates of Anxiety Disorder.
- Synaesthetic children displayed moderated emotional range, with fewer extreme positive and negative feelings.
Conclusions:
- Synaesthesia can negatively affect children's well-being.
- Anxiety disorders and emotional moderation are potential comorbidities in childhood synaesthesia.
- Findings suggest links between synaesthesia, alexithymia, anxiety, and autism spectrum conditions.
Abstract:
Synaesthesia is a neurodevelopmental trait that causes unusual sensory experiences (e.g., perceiving colours when reading letters and numbers). Our paper represents the first evidence that synaesthesia can impact negatively on children's well-being, and that there are likely to be important mental health co-morbidities for children with synaesthesia. We recruited 76 synaesthetes aged 6-10 years who had one of two types of synaesthesia (grapheme-colour synaesthesia and sequence-personality synaesthesia), and compared them to almost one thousand matched non-synaesthete controls. We tested children's wellbeing with two different measures, and found a significant relationship between synaesthesia and affect (i.e., mood), and also between synaesthesia and anxiety. Children with synaesthesia showed evidence suggesting significantly higher rates of Anxiety Disorder, and also displayed a type of mood-moderation in demonstrating fewer extremes of emotion (i.e., significantly fewer negative feelings such as fear, but also significantly fewer positive feelings such as joy). We discuss our results with reference to the emotional moderation of alexithymia (the inability to recognize or describe one's own emotions), and to a set of known links between alexithymia, anxiety, autism and synaesthesia.
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