The author briefly responds to a number of terminological, theoretical, and empirical issues raised in some postscripts. The goal is not to respond to each outstanding point but rather to address some comments that in his view confuse rather than clarify matters. He responds to Plaut and McClelland and Quian Quiroga and Kreiman in turn.

Plaut and McClelland (2010) and Quian Quiroga and Kreiman both challenged my characterization of localist and distributed representations. They also challenged the biological plausibility of grandmother cells on conceptual and empirical grounds. This reply addresses these issues in turn. The premise of my argument is that grandmother cells in…

The article discusses the rationale for a program to develop efficiency in visual functioning for low vision individuals. Detailed identification of all visual functions necessary for maximum efficiency, along with specification of visual tasks related to developmental milestones are charted. (Author/PHR)

Eleven papers comprise the special issue on learning disabilities and deal with definition, prevalence, promising research strategies, and potentially effective educational treatments oriented toward the processes of thought and the "learning to learn" strategy. (DB)