Background: Joint engagement is defined as the ability to both respond to a partner’s bids for interaction in relation to an external focus and to show an awareness of the partner’s mutual interest for the purpose of social sharing rather than requesting. Although it is an important milestone in typical development ( Adamson, Deckner, & Bakeman, 2010 ), it is absent or delayed in young children with autism ( Bruinsma, Koegel, & Koegel, 2004 ). Related Literature: Studies have shown that a child-centered, music therapy interventions can increase joint engagement, promote spontaneous eye-contact and turn-taking, and help children with autism acquire nonverbal and/or gestural communication skills ( Gooding, 2011 ; Holck, 2004 ; Kim, Wigram, & Gold, 2008 ). Objective: The purpose of this study was to determine whether an improvisational music therapy intervention that included parent-child interaction, in a natural environment, could promote joint engagement abilities of young children on the autism spectrum. Methods: A mixed method design (single subject & qualitative analysis) was implemented to determine whether the music therapy intervention could promote joint engagement abilities of young children on the autism spectrum. This study was conducted in the home of the child, to promote interactions in the natural environment. Participants included one young child (31 months old at the entry of the study) identified as being at risk for autism and his parents. A multiple baseline design across behaviors was implemented for a period of 5 months to determine causal relationships between the music therapy intervention and the child’s performance in the three stages of social competency: focusing on faces, responding to joint attention, and initiating joint attention. A detailed coding manual was composed by the researcher, with specific descriptions and examples of behaviors to be measured during the three phases of the intervention. An independent coder, trained on coding criteria and naïve to the baseline or intervention condition, observed and coded a 10-minute sampling of the weekly-videotaped intervention for each participant, to indicate if the targeted behaviors occurred in each interval. Results: Data analysis showed a clear distinction between baseline and intervention for the toddler with high levels of the targeted variables, a rising trend line, and low variability. When the focus-on-faces phase was introduced, the change in mean was 1.35. During the response-to-joint-attention phase, the toddler showed continuous gains with a mean change of 2.72. The toddler independently initiated joint attention actions to a mean of 1.9. Follow up data showed that the toddler maintained these behaviors a month after the intervention. Qualitative analysis and themes, generated from the researcher’s observations and interviews with the parents, were related to the parents’ perceptions about their self-efficacy, increased instances of communication through music among family members, and gains in the toddler’s sharing of affect. The toddler’s parents also reported generalization of joint engagement actions to other familiar environments. Conclusions: The overall results of this study are encouraging, as they show that family-driven and child-centered music therapy interventions hold the potential to scaffold children’s participation in daily routines and promote their engagement. The music therapy intervention created preconditions for joint engagement and interpersonal responsiveness, as the toddler exhibited significant improvement in focusing on faces, response to joint attention, and initiation of joint attention. Implications for Clinical Practice: The use of music provides a structure of age-appropriate and contextually relevant stimuli for toddlers at risk of ASD. Music therapists can incorporate family-driven, child-centered, and age-appropriate developmental principles to promote joint engagement, participation in daily routines, and the overall development of young children with autism. Implications for Future Research: In the future, more research with larger samples, standardized measures, and clear descriptions of the music therapy intervention, which strengthen fidelity in research implementation, clinical applicability of the results, and an understanding of the value of non-directive, family-driven and child-centered approaches, is needed to promote social engagement for children with autism.
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