Interneurons: their cognitive roles - A perspective from dynamical systems view

Author

Fujii, Hiroshi ; Tsuda, Ichiro

Author_Institution

Dept. of Inf. & Commun. Sci., Kyoto Sangyo Univ.

fYear

2005

Firstpage

43

Lastpage

48

Abstract

Interneurons may function as coordinator of cortical dynamics, as "super networks" driven by top down signals. Dynamical systems-theoretic view on cortical dynamics and its hypothetical cognitive roles are discussed. In particular, we discuss three related issues concerning the cognitive role of inhibitory interneurons in the neocortex. 1) Theoretical possibility of emergence of transient synchrony in chaotic itinerant dynamics in gap junction-coupled interneuron networks; 2) Dynamical systems-theoretic, and nonclassical memory view based on the concept of Milnor attractor; and 3) A new hypothesis on functional role of activity-dependent depolarizing action of GABA_A in inhibitory interneurons

Keywords

bioelectric phenomena; cognition; neural nets; Milnor attractor; chaotic itinerant dynamics; cortical dynamics; dynamical systems theory; gap junction-coupled interneuron networks; inhibitory interneurons; neocortex; transient synchrony; Brain; Chaos; Chaotic communication; Chemicals; Circuits; Hippocampus; Mathematics; Morphology; Neurons; Rhythm;

fLanguage

English

Publisher

ieee

Conference_Titel

Development and Learning, 2005. Proceedings., The 4th International Conference on

Conference_Location

Osaka

Print_ISBN

0-7803-9226-4

Type

conf

DOI

10.1109/DEVLRN.2005.1490941

Filename

1490941