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Fifić M, Townsend JT.Fifić M, et al. Among authors: townsend jt.J Exp Psychol Learn Mem Cogn. 2010 Sep;36(5):1290-313. doi: 10.1037/a0020123.J Exp Psychol Learn Mem Cogn. 2010.PMID: 20804297Free PMC article.