In today's health matters, children are able to comprehend complex grammar at a younger age than previously thought.

British researchers showed a group of 2-year-olds pictures and asked each toddler to match the illustrations to sentences containing made-up verbs.

The toddlers picked out the correct image to go along with the sentences more often than anyone would expect by chance.

Study authors say their findings suggest how a child speaks doesn't necessarily reflect what they understand.

Findings appear in the journal 'cognitive science.