Expectations from relative clauses: Real-time coherence updates in discourse processing.

When processing a text, comprehenders use available cues to anticipate both upcoming content and the dependencies that comprise the structure of the growing discourse. In an eye-tracking while reading experiment, we test discourse updating in passages in which dependencies are implicit and the segments convey content that is not required to participate in any coherence-driven inference. This study provides strong evidence of comprehenders' ability to build implicit non-obligatory discourse structure in real time.