Chapter

Physiology of Executive Functions: The Perception-Action Cycle

Joaquín M. Fuster

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/9780195134971.003.0006
Physiology of Executive Functions: The Perception-Action Cycle

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This chapter discusses the executive functions of the prefrontal cortex against the background of its position in the neocortical map of cognitive representations. It attempts to place prefrontal functions within the broad framework of the cortical substrate of long-term memory, which is formed by a complex array of widely distributed, overlapping, and intersecting neuronal networks in the neocortex of association. The chapter then presents a conceptual model of the distribution of long-term memory in the neocortex. The chapter concludes with a brief discussion of microelectrode data from the lateral prefrontal cortex that not only reaffirm the anchoring of its functions in long-term memory but also provide insight into the mechanisms of temporal integration, which is cardinal among those functions.

Keywords: prefrontal cortex; cognitive representations; nerocortex; association; long-term memory; executive memory

Chapter.  6243 words.  Illustrated.

Subjects: Neuroscience

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