1. More about the Difference between Men and Women: Evidence from Linear Neural Networks and the Principal-Component Approach
2. What some concepts might not be
3. Banks, M. S. & Salapatek, P. (1983). Infant visual perception. In P. H. Mussen (Series Ed.) & M. M. Haith & J. J. Campos (Vol. Eds.), Handbook of child psychology: Vol. 2. Infancy and developmental psychobiology (4th ed.). New York: Wiley.
4. Ad hoc categories
5. Barsalou, L. W. (1993). Flexibility, structure, and linguistic vagary in concepts: Manifestations of a compositional system of perceptual symbols. In A. C. Collins, S. E. Gathercole, M. A. Conway, & P. E. M. Morris (Eds.), Theories of memories. Hillsdale, NJ: Lawrence Erlbaum Associates, Inc.