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Shape from shading in starlings (Sturnus vulgaris).
Qadri MA, Romero LM, Cook RG. Qadri MA, et al. J Comp Psychol. 2014 Nov;128(4):343-56. doi: 10.1037/a0036848. Epub 2014 Aug 11. J Comp Psychol. 2014. PMID: 25111630 Free PMC article.
Implicit and explicit categorization: a tale of four species.
Smith JD, Berg ME, Cook RG, Murphy MS, Crossley MJ, Boomer J, Spiering B, Beran MJ, Church BA, Ashby FG, Grace RC. Smith JD, et al. Neurosci Biobehav Rev. 2012 Nov;36(10):2355-69. doi: 10.1016/j.neubiorev.2012.09.003. Epub 2012 Sep 11. Neurosci Biobehav Rev. 2012. PMID: 22981878 Free PMC article. Review.
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