PMID: 9003976Nov 1, 1996Paper

Event-related desynchronization (ERD) patterns to emotion-related feedback stimuli

The International Journal of Neuroscience
L I AftanasY N Mordvintsev

Abstract

Event-related desynchronization (ERD) of alpha components was studied in 14 healthy right handed subjects in an effective task. In the present study positive and negative emotions were operationalized by winning and losing certain amounts of money in a gambling situation while measuring ERD to positive and negative feedback stimuli. All the subjects demonstrated comparable (i.e. statistically not separated) intensities of positive and negative affect of self-report data. The obtained results suggest that ERD can be used as an indicator of localized brain activation in affective tasks. As it was evidenced by ERD analyses, the left and right lobes participated in Valence discrimination. The predicted relative left frontal activation to the positive feedback stimuli and right frontal activation to the negative feedback stimuli was supported. This effect was restricted to the upper (i.e. 10-12 Hz) alpha band. These findings are evidenced in favour of specific role of frontal hemispheric asymmetries in valence discrimination. It is concluded that ERD seems to be able to evidence relatively small differences in emotion processing and appears to be a suitable method with which to study emotion.

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Citations

Feb 20, 2002·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Ljubomir I AftanasNatalya V Reva
Dec 1, 1996·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·L I AftanasY N Mordvintsev
Mar 20, 1998·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·L I AftanasS A Popov
Nov 27, 1999·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·N V Volf, O M Razumnikova
Jun 12, 2002·Alcohol·Christina M KrauseOlli Peltola
Dec 5, 1998·Brain Research. Cognitive Brain Research·D PizzagalliD Lehmann
Aug 28, 2009·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Michela Balconi, Guido Mazza
Apr 4, 2009·Physiology & Behavior·Michela Balconi, Uberto Pozzoli
Dec 16, 2004·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Ljubomir I Aftanas, Sergey V Pavlov
Oct 6, 2005·Neuroscience Letters·Michela Balconi, Claudio Lucchiari
Apr 9, 2014·Neuropsychologia·Bahar Güntekin, Erol Başar
Nov 13, 2013·Social Neuroscience·Marte Otten, Kai J Jonas
Nov 9, 2001·The International Journal of Neuroscience·E MarosiV Guerrero
Jun 26, 2015·The European Journal of Neuroscience·Eleonora VagnoniMatthew R Longo

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