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Cognition Module navigation.
Module Introduction
Lesson Goals
Working Memory
Long-Term Memory
Decision Making
Workload Analysis
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Cognition > Overview - 1 of 1


The purpose of this module is to introduce some of the basics of cognitive science that apply to Human Factors design. The field of cognitive psychology is one of the most interesting and most complex aspects of the Human Factors discipline. Cognition refers not only to the acquisition of knowledge but also to the processes by which sensory information is attended to, transformed, stored, revised, retrieved, and used. This module will address cognition by describing the role of attention, perception, memory, and decision-making.

As depicted in the model, human-system interaction is dependent upon designing systems that capitalize on the strengths and minimize the weaknesses of the users' information processing and response capabilities.

The center graphic is a 3-D, MRI reconstruction showing active brain areas when a series of letters is held in working memory (NIMH). [Original source: Jonathan Cohen MD, Carnegie Mellon University and University of Pittsburgh (1997)].


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