Stimulus-Stimulus Pairing of Vocalizations: A Systematic Replication

Area of Science:

• Behavioral psychology
• Developmental psychology
• Speech-language pathology

Background:

• Children with autism spectrum disorder (ASD) often exhibit communication challenges.
• Vocalization development is crucial for early communication in children with ASD.
• Previous research has explored various methods to enhance vocalizations in this population.

Purpose of the Study:

• To replicate and evaluate an enhanced stimulus-stimulus pairing (SSP) procedure for increasing vocalizations in children with autism.
• To assess the efficacy of pairing target vocalizations with high-preference items, interspersed trials, observing responses, and "motherese" speech.

Main Methods:

• Replication of an enhanced stimulus-stimulus pairing (SSP) procedure.
• Inclusion of high-preference items, interspersed target/nontarget trials, and an observing response.
• Presentation of vocalizations using "motherese" speech patterns.

Main Results:

• Substantial increases in target vocalizations were observed for two out of three participants.
• Vocalizations increased significantly above baseline levels.
• Target vocalizations exceeded nontarget vocalizations for the successful participants.

Conclusions:

• The enhanced SSP procedure is a promising intervention for increasing vocalizations in some children with autism.
• The findings support the use of tailored, multi-component behavioral interventions for communication development in ASD.
• Further research is warranted to explore individual differences in response to this intervention.