Chapter

Fractionation of the Supervisory System

Tim Shallice

in Principles of Frontal Lobe Function

Published in print August 2002 | ISBN: 9780195134971
Published online May 2009 | e-ISBN: 9780199864157 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195134971.003.0017
Fractionation of the Supervisory System

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This chapter focuses on two supervisory processes: the top-down modulation of lower-level schemas and checking or monitoring processes. It argues that there are processes that come into play specifically in nonroutine situations. This is the position initially adopted in Norman and Shallice. From an expert system AI perspective (the domino model), one would expect there to be a set of subprocesses that are computationally very different and have different specific roles but which also combine in coping with nonroutine situations. This is the approach taken earlier from a cognitive neuroscience perspective by the Mark II Supervisory System model. These subprocesses are localized in different parts of the prefrontal cortex.

Keywords: supervisory processes; top-down modulation; checking; monitoring; Norman and Shallice; AI perspective; domino model; Mark II Supervisory System model

Chapter.  9754 words.  Illustrated.

Subjects: Neuroscience

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