- Typically developing 12- to 24-month-old typically developing toddlers
- Normal hearing
- Normal or corrected-to-normal vision
- No known history of neurological, developmental, or psychiatric disorders
- No known or suspected chronic medical条件s
Exclusion Criteria:
- Failure to meet any of the inclusion criteria
- Any condition that, in the opinion of the investigator, would make participation in the study unsafe or unlikely to provide valid data