What is the fine-grained topic of the following text: “A child has access to redundant, complementary information from different modalities, including hearing parents and siblings talk about the world, as well as tactile information and visual information, [which help him or her] to understand the world,” according to co-author Boris Katz, a principal research scientist and head of the CSAIL InfoLab Group. Only return the topic.
Multimodal learning in children