Funding

Title: Audiovisual processing in specific language impairment

Role: Principal Investigator

Agency: NIH-NIDCD

Type: R03

Duration: February 15, 2013 – January 31, 2016

 

            This grant evaluated behavioral and event-related potential (ERP) indices of audiovisual processing in school-age children with specific language impairment (SLI) and their typically developing (TD) peers at the acoustic, phonemic, and lexical levels of speech perception in order to identify a stage (or stages) of linguistic processing at which audiovisual integration falters in SLI. The results indicate that audiovisual integration mechanisms at the acoustic level are normal in SLI. However, the SLI children differ significantly from their TD peers in matching individual phonemes/syllables with visually observed speech movements. Additionally, the ERP indices of visual processing and attention also significantly differed between the SLI and TD groups.

Title: Electrophysiological indices of attention in language processing

Role: Principal Investigator (Administrator: Laurence B. Leonard)

Agency: NIH-NIDCD

Type: P30DC010745

Duration: 2 years (09/17/2009 – 08/31/2012)

 

            This grant examined the relationship between attention and audiovisual processing in children with SLI and their typically developing peers. It identified audiovisual temporal processing as an area of significant weakness in children with SLI and showed that audiovisual temporal skills in these children are related to their language and attention abilities. 

Speech, Language, & Hearing Sciences, Lyles-Porter Hall, 715 Clinic Drive, West Lafayette, IN 47907-2122, PH: (765) 494-3789

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