Behavioral and Brain Sciences

Open Peer Commentary
Caplan & Waters: Working memory and sentence comprehension

Complexity effects are found in all relative-clause sentence forms

Glenda Andrews a1 and Graeme S. Halford a2
a1 School of Humanities and Social Sciences, Charles Sturt University, Wagga Wagga, NSW, Australia 2678 [email protected]
a2 School of Psychology, University of Queensland, Brisbane, Queensland Australia 4072 [email protected]


We argue that if a different definition of sentence complexity is adopted and processing capacity is assessed in a way that is consistent with that definition, then the Caplan & Waters distinction between interpretive versus postinterpretive processing is unnecessary insofar that it applies to the thematic role assignment in relative-clause sentences.