Title: A monospectral approach for fMRI analysis using Kohonen self-organised networks and objective dialectical classifiers

Authors: Wellington P. Dos Santos, Francisco M. De Assis, Ricardo E. De Souza, Ana Cristina T. Albuquerque, Maria Lucia B. Simas

Addresses: Escola Politecnica de Pernambuco, Universidade de Pernambuco, 50.720-001, Recife, Brazil; Departamento de Engenharia Eletrica, Universidade Federal de Campina Grande, 58.109-970, Campina Grande, Brazil. ' Departamento de Engenharia Eletrica, Universidade Federal de Campina Grande, 58.109-970, Campina Grande, Brazil. ' Departamento de Fisica, Universidade Federal de Pernambuco, 50.670-901, Recife, Brazil. ' Laboratorio de Percepcao Visual, Departamento de Psicologia, Universidade Federal de Pernambuco, 50.670-901, Recife, Brazil. ' Laboratorio de Percepcao Visual, Departamento de Psicologia, Universidade Federal de Pernambuco, 50.670-901, Recife, Brazil

Abstract: One of the major challenges at the field of cognitive sciences is mapping the regions of the brain responsible for the motor and behavioural functions. The acquisition of functional magnetic resonance images is an important non-invasive technique to study the neural activity in the human brain. The dialectical conception of reality is a kind of philosophical investigative method for analysing processes present in nature and in human societies. The dialectical method is a tool for studying systems by considering the dynamics of their contradictions, as dynamic processes with intertwined phases of evolution and revolutionary crisis. It has inspired us to conceive a dialectical classifier able to solve classification problems. This work presents a new approach for the detection of activated brain regions: the composition and analysis of synthetic multi and monospectral images using statistical methods and proposing a non-parametrical method based on Kohonen self-organised networks and in objective dialectical classifiers.

Keywords: dialectics; evolutionary classifiers; image analysis; dialectical classifiers; functional magnetic resonance imaging; Kohonen networks; self-organised networks; cognitive sciences; MRI; neural activity; human brain; activated brain regions; multispectral images; monospectral images.

DOI: 10.1504/IJICA.2008.026969

International Journal of Innovative Computing and Applications, 2008 Vol.1 No.4, pp.260 - 273

Available online: 11 Jul 2009 *

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