Zaki, S.R. & Kleinschmidt, D. (2014).  Procedural Memory Effects in Categorization: evidence for multiple systems or task complexity?  Memory and Cognition, 42, 5108-524. PDF

Zaki, S.R. & Johnson, S. (2013).  The role of gaze direction in face processing in autism spectrum disorders. Autism Research, 6, 280-7.  PDF

Nosofsky, R.M., Denton, S.E., Zaki, S.R., Murphy-Knudsen, A.F., & Unverzagt, F. W. (2012).  Studies of implicit prototype extraction in patients with mild cognitive impairment and early Alzheimer’s Disease.  Journal of Experimental Psychology: Learning, Memory, and Cognition, 38, 860-880.   PDF

Zaki, S.R.  & Cruz, J. (2010).  Parsimony and the triple-system theory of concepts.  Brain & Behavioral Sciences, 33, 230-231.  

Zaki, S.R. & Nosofsky, R.M. (2007). A high-distortion enhancement effect in the prototype-learning paradigm: Dramatic effects of category learning during test.  Memory and Cognition, 35, 2088-2096.  PDF

Nosofsky, R.M., Stanton, R.D. & Zaki, S.R. (2006).  Procedural interference in perceptual classification: implicit learning or structural complexity? Memory and Cognition. 33, 1256-1271. PDF

Zaki, S.R. (2004). Is categorization really intact in amnesia? A meta-analysis. Psychonomic Bulletin and Review, 11, 1048–1054. PDF

Busey T.A. & Zaki, S.R. (2004). The role of symmetry in the recognition of faces at novel orientations.  Memory and Cognition, 32, 916-931. PDF

Zaki, S.R. & Nosofsky, R. M. (2004).  False-prototype enhancement effects in dot-pattern categorization.  Memory and Cognition. 32, 390-8. PDF

Zaki, S.R., Nosofsky, R.M., Stanton, R.D, and Cohen, A.L. (2003). Prototype and exemplar accounts of category learning and attention allocation: a reassessment. Journal of Experimental Psychology: Learning, Memory, and Cognition. 29, 1160-1173. PDF

Nosofsky, R. M. & Zaki, S.R. (2003). A hybrid-similarity exemplar model for predicting distinctiveness effects in perceptual old-new recognition. Journal of Experimental Psychology: Learning, Memory, and Cognition, 29, 1194-1209. PDF

Zaki, S. R., Nosofsky, R.M., Ramercad, R. & Unverzagt, F. (2003).  Categorization and recognition performance in probable Alzheimer’s disease: Evidence for single-system models.  Journal of the International Neuropsychological Society, 9, 394-406. PDF

Stanton, R.D, Nosofsky, R.M. & Zaki, S.R. (2002). Comparisons Between Exemplar-Similarity and Mixed-Prototype Models of Classification Using a Linearly Separable Structure.  Memory and Cognition. 30, 934-944. PDF

Nosofsky, R.M. & Zaki, S.R. (2002). Exemplar and prototype models revisited: Response strategies, selective attention, and stimulus generalization.  Journal of Experimental Psychology: Learning, Memory, & Cognition, 28, 924-940. PDF

Cohen, A.L., Nosofsky, R.M., & Zaki, S.R. (2001). Category variability, exemplar similarity, and perceptual classification. Memory and Cognition. 29, 1165-1175. PDF

Zaki, S.R. & Nosofsky, R. M. (2001). Exemplar model accounts of typicality and blending. Journal of Experimental Psychology: Learning, Memory, & Cognition, 27, 1022-1041. PDF

Zaki, S.R. & Nosofsky, R. M. (2001). A single-system interpretation of dissociations between recognition and categorization in a task involving object-like stimuli.  Cognitive, Affective, and Behavioral Neuroscience, 1, 344-359. PDF

Nosofsky, R.M. & Zaki, S.R. (1999). Math modeling, neuropsychology, and category learning: Response to B. Knowlton. Trends in Cognitive Sciences, 3, 125-126. PDF

Zaki, S.R. & Homa, D. (1999). Concepts and transformational knowledge. Cognitive Psychology, 39, 69-115. PDF

Nosofsky, R.M. & Zaki, S.R. (1998).  Dissociations between categorization and recognition in amnesics and normal individuals: an exemplar-based interpretation.  Psychological Science, 9, 247-255. PDF