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Differentiating a network of executive attention

INTRODUCTION: This study examines the differential effects of space-specific neuro-operant learning, utilizing low-resolution electromagnetic tomographic (LORETA) neurofeedback in three regions of training (ROTs), namely, the anterior cingulate gyrus (AC) and right and left dorsolateral prefrontal cortices (RPFC and LPFC respectively). METHODS: This study was conducted with 14 nonclinical students with a mean age of 22. We utilized electrophysiological measurements and subtests of the WAIS-III for premeasures and postmeasures. RESULTS: The data indicate that the AC shares a significant association with the RPFC and LPFC; however, each of the ROTs exhibits different cortical effects in all frequencies when trained exclusively. DISCUSSION: LORETA neurofeedback (LNFB) appears to enhance the functioning and strengthening of networks of cortical units physiologically related to each ROT; moreover, significant changes are mapped for each frequency domain, showing the associations within this possible attentional network.

Int J Neurosci. 2009;119(3):404-41. Cannon R, Congedo M, Lubar J, Hutchens T. Brain Research and Neuropsychology Laboratory Department of Psychology, Suite 312 Austin Peay Bldg, University of Tennessee, Knoxville, TN 37996, USA. rcannon2@utk.edu

Posted: 01/29/2010



This article provided by The International Hypnosis Research Institute.

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