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| Name | Class |
|---|---|
| National Institute of Mental Health (NIMH) | NIH |
| National Center for Complementary and Integrative Health (NCCIH) | NIH |
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The primary goal of this study is to examine rhythm sensitivity as a predictor of response to naturalistic developmental behavioral intervention (NDBIs) in autistic toddlers. Toddlers receive either Reciprocal Imitation Training (RIT), an evidence-based NDBI that supports children's imitation and social communication skills, or a music-enhanced version of RIT. Throughout their participation in the intervention, toddlers will complete study procedures of viewing naturalistic videos of infant-directed singing and other social scenes while eye gaze data is collected.
Social communication makes use of predictable, rhythmic behaviors and children are sensitive to the rhythm of social interaction from infancy. The goal of the current study is to investigate if social rhythm sensitivity, measured via children' entrained eye-looking when viewing videos of infant-directed singing, predicts autistic toddlers' response to naturalistic developmental behavioral intervention (NDBI). Following eligibility testing and baseline assessments, children are randomized to receive either 30 sessions of Reciprocal Imitation Training (RIT), an NDBI that uses evidence-based strategies to support children's imitation and social communication development, or a music-enhanced version of RIT that embeds music and rhythm within the RIT platform (meRIT). Children's imitation skills are assessed before and after the intervention programs. Children's rhythm sensitivity is assessed via repeated eye-tracking sessions throughout baseline, intervention, and two-weeks after the intervention ends.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Reciprocal Imitation Training (RIT) | Active Comparator | Children (n=20) receive 30 sessions of Reciprocal Imitation Training (RIT), delivered in 40-60 minute sessions 2-3 times/week. |
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| Music-Enhanced Reciprocal Imitation Training (meRIT) | Experimental | Children (n=20) receive 30 sessions of music-enhanced Reciprocal Imitation Training (meRIT), delivered in 40-60 minute sessions 2-3 times/week. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Reciprocal Imitation Training | Behavioral | As a naturalistic developmental behavioral intervention (NDBI), Reciprocal Imitation Training (RIT) utilizes contingent imitation, linguistic mapping, modeling, prompting, and contingent reinforcement to train object and gesture imitation during play activities. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in rhythmically entrained eye-looking (eye-tracking) | Trajectories of rhythmically entrained eye-looking to predictable and unpredictable child-directed singing assessed via passive eye-tracking. | Change from baseline through 2-week follow-up post-intervention |
| Measure | Description | Time Frame |
|---|---|---|
| Change in overall fixation to eyes (eye-tracking) | Trajectories of proportion of time spent fixating on the eyes while viewing predictable and unpredictable child-directed singing assessed via passive eye-tracking. | Change from baseline through 2-week follow-up post-intervention |
| Change in child elicited motor imitation |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Miriam Lense | Contact | 615-322-3086 | miriam.lense@vumc.org |
| Name | Affiliation | Role |
|---|---|---|
| Miriam Lense | Vanderbilt University Medical Center | Principal Investigator |
| Warren Jones | Emory University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Vanderbilt University Medical Center | Recruiting | Nashville | Tennessee | 37232 | United States |
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| ID | Term |
|---|---|
| D001321 | Autistic Disorder |
| D000067877 | Autism Spectrum Disorder |
| D003142 | Communication |
| ID | Term |
|---|---|
| D002659 | Child Development Disorders, Pervasive |
| D065886 | Neurodevelopmental Disorders |
| D001523 | Mental Disorders |
| D001519 | Behavior |
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| music-enhanced Reciprocal Imitation Training | Behavioral | Music-enhanced imitation training uses music and rhythm to enhance the predictability and salience of the strategies utilized within the Reciprocal Imitation Training platform (i.e., contingent imitation, linguistic mapping, modeling, prompting, and contingent reinforcement to train object and gesture imitation during play activities). |
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Children's performance on the Motor Imitation Scale (score 0-32). Higher scores indicate greater performance. |
| Change from baseline to 2-weeks follow-up after intervention |
| Change in child spontaneous motor imitation | Children's performance on the Unstructured Imitation Assessments (score 0-20) | Change from baseline to 2-weeks follow-up after intervention |