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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: J Cogn Neurosci. 2014 Apr 17;26(11):2608–2623. doi: 10.1162/jocn_a_00652

Figure 1.

Figure 1

(A) Verb generation task design with example items. Underdetermined competition (high versus low competition among possible verb responses) is crossed with prepotent competition (high versus low competition from non-verb associates). Nouns in the high underdetermined competition conditions have multiple possible verb responses, while nouns in the low underdetermined competition conditions have few possible verb responses (quantified as the LSA entropy, see Methods). Nouns in the high prepotent competition conditions have strong non-verb associates, while nouns in the low prepotent competition conditions have stronger verb than non-verb associates (quantified as the LSA cosine, see Methods). All conditions are matched on retrieval demand. (B) Participants take longer to respond when there is competition among verb responses (underdetermined selection, significant by subjects and items) or competition from prepotent non-verb responses (prepotent selection, significant by subjects and items), and these factors interact (significant by subjects only).