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This excerpt was created in the absence of an abstract.

Winstein provides an insightful overview of the current theoretical perspectives addressing attention. This overview consists of a brief, but precise, historical summary of the early attempts to understand the locus and structure of the bottleneck in human information processing via single-channel models,¹ limited processing resources,^2–4 and more recent functional frameworks championed by Allport⁵ and Neumann.⁶ We concur with Winstein that contemporary experimental methodologies are usually outgrowths of the theoretical wisdom of the time, thus necessitating an understanding of current theorizing in an area of research one wishes to examine. The synopsis provided by Winstein is therefore a timely and appropriate addition to our article.

Winstein appears to accept that an examination of the information-processing demands associated with the daily activities encountered by physical therapists is worthy of experimental "attention." She expressed some concerns, however, with the usefulness of the dual-task methodology to address such issues....

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The Dual-Task Methodology and Assessing the Attentional Demands of Ambulation with Walking Devices

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Physical Therapy 1992 72: 306-312. [Abstract] [PDF]