(A) Illustrates semantically related trials, where Target and Distractor images were semantically related. (B) Depicts semantically unrelated trials, where Target and Distractor did not share category membership. Due to licensing restrictions, similar, but not identical images of depicted objects appeared in the study. Car image courtesy of © User:Thesupermat / Wikimedia Commons / CC-BY-SA-3.0 (background removed). Remaining illustrated images were edited from images selected from https://www.maxpixel.net/ / CC0 1.0. This image is adapted under a CC BY license from “Vocabulary size and structure affects real-time lexical recognition in 18-month-olds” by Borovsky, A. and Peters, R.E., PLOS One, 14(7),p. 7, https://doi.org/10.1371/journal.pone.0219290.g001