Relations Between Preferential Looking to Synchronous Audiovisual Speech and Expressive Language in Infants With
S Madison Clark1,2, Jacob I Feldman2,3, Jennifer E Magnuson4
1Neuroscience Undergraduate Program Vanderbilt University.
Summary
Infants at higher autism likelihood showed less attention to synchronized audiovisual speech. This attention, particularly in boys, was linked to better language skills through vocalization complexity.
Area of Science:
- Developmental psychology
- Neuroscience
- Speech-language pathology
Background:
- Audiovisual processing differences may impact language development in autism spectrum disorder (ASD).
- Early detection and intervention are crucial for infants with elevated likelihood of ASD.
Purpose of the Study:
- To investigate preferential looking to synchronous audiovisual speech in infants with varying likelihoods of ASD.
- To examine the relationship between audiovisual speech processing and expressive language development, considering vocalization complexity, age, sex, and familial likelihood.
Main Methods:
- Eye-tracking was used to measure preferential looking to audiovisual speech in 50 infants (12-18 months).
- Infants were categorized into elevated-likelihood and population-level-likelihood groups based on familial risk for ASD.
- Standardized assessments evaluated concurrent expressive language and vocalization complexity.
Main Results:
- By 18 months, infants with population-level likelihood showed greater preferential looking to synchronous audiovisual speech than those with elevated likelihood.
- Preferential looking was not directly associated with expressive language.
- However, preferential looking was linked to expressive language via increased vocalization complexity in male infants.
Conclusions:
- Infants with elevated ASD likelihood may exhibit differences in audiovisual speech perception.
- Vocalization complexity mediates the relationship between audiovisual processing and language development in male infants.
- Findings inform early intervention strategies for infants at risk for ASD.
More Related Videos
11:14A Novel Experimental and Analytical Approach to the Multimodal Neural Decoding of Intent During Social Interaction in Freely-behaving Human Infants
Published on: October 4, 2015
13.0K
09:13Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
Published on: April 22, 2015
16.5K
Related Concept Videos
01:19Autism Spectrum Disorder
1.9K
Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
1.9K
01:22Language Development
1.1K
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
1.1K
01:29Relationship with Other Adult Family Members and Siblings
281
Other adult family members and siblings play a crucial role in shaping children’s social and emotional development. While parents or primary caregivers are often the central figures in early attachment and socialization, other adults in a child’s life, such as grandparents, aunts, and uncles, can significantly influence developmental outcomes. These influences depend on each adult’s personality and may help compensate when a primary caregiver is emotionally distant or...
281
01:30Socioemotional Development during Infancy
1.4K
Socio-emotional development in infancy is primarily shaped by early emotional responses and social connections, with temperament playing a central role. Temperament refers to the consistent patterns in an individual's emotional and behavioral responses, observable even in infancy. By examining temperament, researchers can better understand an infant's unique ways of interacting with the world, influencing subsequent personality and socio-emotional growth.
Primary Temperament Types
Primary Temperament Types
1.4K
01:28Automatic Processing and Automatic Social Behavior
372
Automatic processing refers to the cognitive operations that occur without conscious intent or awareness, playing a fundamental role in shaping social cognition and behavior. These processes enable individuals to navigate complex social environments efficiently by relying on mental shortcuts and pre-existing knowledge structures known as schemas. One of the most influential mechanisms underlying automatic processing is priming, which subtly activates mental representations through exposure to...
372
01:25Learning Disabilities
691
Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning.
Dyslexia
Dyslexia is a...
Dyslexia
Dyslexia is a...
691