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The study's goal is to check and verify basic assumptions of a new selective mutism developmental model from Melfsen and Walitza through standardized and routinely used patient questionnaires. The primary emphasis is the question of a connection between selective mutism and high sensitivity, dissociation, emotional regulation, family structure, social anxiety and self-esteem.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| mute children | mute children and their mothers |
| |
| healthy children | healthy children control group |
| |
| mute adults | formerly mute adults |
| |
| healthy adults | healthy adults control group |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Psychometric questionnaire study | Behavioral | Four groups participate in the psychometric questionnaire study. A group of mute children and their mothers (EG:A), as well as a normal, healthy control group (KG:A) with roughly the same age and sex characteristics fill out one-time questionnaires about current daily life experiences. In addition, another group of formerly mute adults (EG:B) as well as a comparable age/sex normal control group will be retrospectively questioned using the same specifically tailored questionnaire. |
| Measure | Description | Time Frame |
|---|---|---|
| Symptoms severity of selective mutism | The parent report "Selective Mutism Questionnaire (SMQ)" is a 17-item parent-rating measure designed to assess the severity of selective mutism. The test uses a 4-point scale to rate the frequency of the child's speaking behaviour in school (6 items), home/family (6 items) and public settings outside school (5 items) from 0 (never) to 3 (always) each, with a total score of 51. Higher score means a worse outcome. | 24 months |
| High sensitivity | The "Highly Sensitive Person Scale" (HSP) is a self-report questionnaire with 27 items to be answered on a seven-point Likert scale (from 1 "not at all" to 7 "absolutely"). The total score divided by item number ranges from 0 to 7. Higher score means a worse outcome. | 24 months |
| Family relation structure | The "Parent-Image-Questionnaire for Children and Adolescents (EBF-KJ)" is a self-reporting questionnaire for children and adolescents to record the family relationship structure with 36 items on a five-point Likert scale from 0 (never) to 4 (always). Higher score means a stronger characteristic. | 24 months |
| Emotion regulation | Emotion regulation is measured using the German questionnaire "Fragebogen zur Erhebung der Emotionsregulation bei Kindern und Jugendlichen (FEEL-KJ). It is a multi-dimensional tool for the emotion-specific detection of emotion regulation strategies. It measures fear, sadness and anger. Adaptive strategies include problem-oriented behavior, dispersion, mood elevation, acceptance, forgetting, revaluation and cognitive problem solving. Maladaptive strategies include abandonment, aggressive behavior, withdrawal, self-devaluation and perseveration. A total of 90 items is to be rated on the basis of a five-level rating scale with regard to their frequency. Higher scores mean more adaptive or maladaptive strategies. | 24 months |
| Symptoms of selective mutism |
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Inclusion Criteria:
Exclusion Criteria:
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The sample consist of pupils with selective mutism aged 8 to 18 years.
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| Name | Affiliation | Role |
|---|---|---|
| Susanne Walitza, Prof. Dr. med. Dipl.-Psych. | Sponsor-Investigator | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Psychiatric University Clinics, Department of Child and Adolescent Psychiatry | Zurich | Canton of Zurich | 8032 | Switzerland |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 35690008 | Derived | Melfsen S, Jans T, Romanos M, Walitza S. Emotion regulation in selective mutism: A comparison group study in children and adolescents with selective mutism. J Psychiatr Res. 2022 Jul;151:710-715. doi: 10.1016/j.jpsychires.2022.05.040. Epub 2022 May 24. | |
| 34390394 | Derived | Melfsen S, Romanos M, Jans T, Walitza S. Betrayed by the nervous system: a comparison group study to investigate the 'unsafe world' model of selective mutism. J Neural Transm (Vienna). 2021 Sep;128(9):1433-1443. doi: 10.1007/s00702-021-02404-1. Epub 2021 Aug 14. |
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| ID | Term |
|---|---|
| D009155 | Mutism |
| ID | Term |
|---|---|
| D013064 | Speech Disorders |
| D007806 | Language Disorders |
| D003147 | Communication Disorders |
| D019954 | Neurobehavioral Manifestations |
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Symptom severity is assessed by using the "Checklist for speaking behaviour, parent report" (CheckS). It assesses the communicative burden of various socially interactive situations for children suffering from selective mutism on a five-point scale (from 0 = "never" to 4 = "always"). A distinction is made between different contexts, namely the persons to be spoken to, the type of communication, the length of the spoken answers, the conversational situations, the contents of the conversation, the places and surroundings, the expectations of those present and the unpredictability of contexts. The total score ranges from 0 to 4.Higher score means a worse outcome. |
| 24 months |
| Dissociation | The German translation of the "Child Dissociative Checklist" (CDC) is a parent report of 20 items using a three-point Likert scale (0 = "very true", 1 ="somewhat true", 2 ="not true"). Parents are asked to report dissociative behavioural problems of their child within the past 12 months. Higher score means a worse outcome. | 24 months |
| Dissociation | The children and adolescents completed the "Self-Perception Questionnaire for Children and Adolescents" (A-DES) to assess dissociative symptoms. 30 items are to be assessed on an 11-point rating scale (from 0 = "never" to 10 = "always") in terms of their frequency. Higher score means a worse outcome. | 24 months |
| Social anxiety | The German version of the "Social phobia and anxiety inventory for children (SPAIK) is used to asses social anxiety in children and adolescents. The questionnaire consists of 26 situations assessing somatic, cognitive and behavioural aspects of social anxiety. They measure characteristic aspects of social anxiety on a three-point Likert scale (from 0 = "never or seldom" to 3 = "most of the time or always") with a total score of 52. Higher score means a worse outcome. | 24 months |
| Self-esteem | The "List of statements on self-esteem for children and adolescents" (ALS) uses the same 18 items to differentiate the self-esteem of children and adolescents in three areas: family, school and leisure. Higher score means a stronger self-esteem. | 24 months |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D065886 | Neurodevelopmental Disorders |
| D001523 | Mental Disorders |