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Firth J, Standen B, Sumich A, Fino E, Heym N. The neural correlates of reinforcement sensitivity theory: A systematic review of the frontal asymmetry and spectral power literature. Psychophysiology 2024:e14594. [PMID: 38693649 DOI: 10.1111/psyp.14594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 12/10/2023] [Accepted: 03/27/2024] [Indexed: 05/03/2024]
Abstract
The original Reinforcement Sensitivity Theory (oRST) proposes two systems of approach (BAS) and avoidance (BIS) motivation to underpin personality and behavior. The revised-RST (rRST) model separates avoidance motivation into passive (BIS; anxiety) and active (FFFS; fear) systems. Prior research has attempted to map RST onto lateralized frontal asymmetry to provide a neurophysiological marker of RST. The main aim is to examine the relationships of the o/rRST scales with trait (baseline) and state (manipulated through experimental paradigms) frontal asymmetry. A systematic review was conducted, resulting in 158 studies designated to neuroimaging research. In total, 54 studies were included in this review using either frontal asymmetry or spectral power. The results were split into three main categories: resting frontal alpha asymmetry (N = 23), emotional induction and state-related frontal alpha asymmetry (N = 20), and spectral analysis (N = 16). Findings indicated that BAS was associated with enhanced left frontal asymmetry at baseline and during state-related paradigms. Findings for BIS were more inconsistent, especially at rest, suggesting that BIS, in particular, may require active engagement with the environment. Only 9 of the 54 papers included used the revised RST model, highlighting the need for more rRST research.
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Affiliation(s)
- Jennifer Firth
- Division of Psychology, Nottingham Trent University, Nottingham, UK
| | - Bradley Standen
- Division of Psychology, Nottingham Trent University, Nottingham, UK
| | - Alexander Sumich
- Division of Psychology, Nottingham Trent University, Nottingham, UK
| | - Emanuele Fino
- Division of Psychology, Nottingham Trent University, Nottingham, UK
| | - Nadja Heym
- Division of Psychology, Nottingham Trent University, Nottingham, UK
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Monni A, Collison KL, Hill KE, Oumeziane BA, Foti D. The novel frontal alpha asymmetry factor and its association with depression, anxiety, and personality traits. Psychophysiology 2022; 59:e14109. [PMID: 35616309 PMCID: PMC9532346 DOI: 10.1111/psyp.14109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 01/28/2022] [Accepted: 04/21/2022] [Indexed: 12/19/2022]
Abstract
Frontal alpha asymmetry (FAA) is widely examined in EEG research, yet a procedural consensus on its assessment is lacking. In this study, we tested a latent factorial approach to measure FAA. We assessed resting-state FAA at broad, low, and high alpha bands (8-13; 8-10.5; and 11-13 Hz) using mastoids as reference electrodes and Current Source Density (CSD) transformation (N = 139 non-clinical participants). From mastoid-referenced data, we extracted a frontal alpha asymmetry factor (FAAf) and a parietal factor (PAAf) subjecting all asymmetry indices to a varimax-rotated, principal component analysis. We explored split-half reliability and discriminant validity of the mastoid factors and the mastoid and CSD raw asymmetry indices (F3/4, F7/8, P3/4, and P7/8). Both factor and raw scores reached an excellent split-half reliability (>.99), but only the FAAf reached the maximum discriminant validity from parietal scores. Next, we explored the correlations of latent factor and raw FAA scores with symptoms of depression, anxiety, and personality traits to determine which associations were driven by FAA after variance from parietal activity was removed. After correcting for false discovery rate, only FAAf at the low alpha band was negatively associated with depression symptoms (a latent CES-D factor) and significantly diverged from PAAf's association with depression symptoms. With respect to personality traits, only CSD-transformed F7/8 was positively correlated with Conscientiousness and significantly diverged from the correlations between Conscientiousness and P3/4 and P7/8. Overall, the latent factor approach shows promise for isolating functionally distinct resting-state EEG signatures, although further research is needed to examine construct validity.
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Affiliation(s)
- Alessandra Monni
- Department of Psychology, University of Rome ‘La Sapienza’, Rome, Italy
- Department of Education, Psychology, Philosophy, University of Cagliari, Cagliari, Italy
| | | | - Kaylin E. Hill
- Department of Psychology and Human Development, Vanderbilt University, Nashville, TN, United States
| | - Belel Ait Oumeziane
- Department of Psychological Sciences, Purdue University, West Lafayette, IN, United States
| | - Dan Foti
- Department of Psychological Sciences, Purdue University, West Lafayette, IN, United States
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3
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Special Issue of Symmetry: “Biological Psychology: Brain Asymmetry and Behavioral Brain”. Symmetry (Basel) 2022. [DOI: 10.3390/sym14081531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
The study of brain asymmetry in humans represents a long-standing topic in the biobehavioral sciences and remains an attractive research domain with many potential applications [...]
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Guicciardi M, Pazzona R, Manca A, Monni A, Scalas LF, Perra F, Leban B, Roberto S, Mulliri G, Ghiani G, Doneddu A, Crisafulli A. Executive Functions and Mood States in Athletes Performing Exercise Under Hypoxia. Front Psychol 2022; 13:906336. [PMID: 35712141 PMCID: PMC9196732 DOI: 10.3389/fpsyg.2022.906336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 05/09/2022] [Indexed: 11/13/2022] Open
Abstract
Hypoxia can impair cognitive performance, whereas exercise can enhance it. The effects of hypoxia on cognitive performance during exercise appear to be moderated by exercise duration and intensity and by severity and duration of hypoxia and cognitive task. In normal individuals, exercise under hypoxia can evoke adverse post-exercise mood states, such as tension and fatigue. However, little is known about the effects of hypoxia during exercise in trained athletes. The purpose of this study was to investigate how hypoxia affected executive functions and mood states, assessed, respectively, during and post-exercise and to explore the role of motivation moderators, such as inhibition and activation systems (BIS-BAS). Two different sessions of exercise in normoxia and hypoxia (FiO2 13%), each lasting 18 min, were randomly assigned in a counterbalanced order and administered to seventeen male athletes. During exercise bouts, participants performed a mental task (BST) aimed to produce cognitive interference and suppression. Reaction times and accuracy of responses were recorded. After 5 min, all participants completed two questionnaires assessing mood states (ITAMS) and incidence of symptoms potentially related to hypoxia (AMS-C). The results show that hypoxia impairs cognitive performance in terms of slower reaction times, but a high BAS attenuates this effect. Participants with high BAS show an equivalent cognitive performance under hypoxia and normoxia conditions. No effects were found on mood states. Further research is required to investigate the role of BAS, cognitive abilities, and mood states in prolonged hypoxic conditions.
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Affiliation(s)
- Marco Guicciardi
- Department of Education, Psychology, Philosophy, Faculty of Humanities, University of Cagliari, Cagliari, Italy
| | - Riccardo Pazzona
- Department of Education, Psychology, Philosophy, Faculty of Humanities, University of Cagliari, Cagliari, Italy
| | - Andrea Manca
- Department of Education, Psychology, Philosophy, Faculty of Humanities, University of Cagliari, Cagliari, Italy
| | - Alessandra Monni
- Department of Education, Psychology, Philosophy, Faculty of Humanities, University of Cagliari, Cagliari, Italy
| | - Laura Francesca Scalas
- Department of Education, Psychology, Philosophy, Faculty of Humanities, University of Cagliari, Cagliari, Italy
| | - Federica Perra
- Department of Education, Psychology, Philosophy, Faculty of Humanities, University of Cagliari, Cagliari, Italy
| | - Bruno Leban
- Department of Mechanical, Chemical and Materials Engineering, Faculty of Engineering and Architecture, University of Cagliari, Cagliari, Italy
| | - Silvana Roberto
- Sports Physiology Lab, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Gabriele Mulliri
- Sports Physiology Lab, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Giovanna Ghiani
- Sports Physiology Lab, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Azzurra Doneddu
- Sports Physiology Lab, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Antonio Crisafulli
- Sports Physiology Lab, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
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Millis RM, Arcaro J, Palacios A, Millis GL. Electroencephalographic Signature of Negative Self Perceptions in Medical Students. Cureus 2022; 14:e22675. [PMID: 35242485 PMCID: PMC8883328 DOI: 10.7759/cureus.22675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/28/2022] [Indexed: 11/05/2022] Open
Abstract
Frontal alpha asymmetry (fAA) is purported to be a neurophysiological marker for anxiety and depression. Higher left frontal alpha EEG voltage is associated with lower left and higher right frontal cerebral cortical activation, indicative of right-sided fAA. This pilot study tests the hypothesis that greater left-sided frontal alpha voltage is associated with negative thoughts about oneself. A group of eight healthy 28-41-year-old right-handed male medical students were subjected to an extensive interactive self-report inventory (ISI) evaluating perceptions of their psychosocial interactions. Quantitative EEG (qEEG) was performed with eyes closed. Computations of fAA and related parameters were based on measurements in the alpha bandwidth (8-13 Hz) at the left frontal F7 and right frontal F8 scalp electrodes. fAA was the percent difference between mean voltages at F8 minus that at F7. Significance of associations between fAA and the ISI scores was determined by Pearson’s product-moment correlation coefficient, at P≤0.05. “Depressed” scores were positively correlated with right-sided fAA (P=0.01). “Relaxed” (P=0.05), “regulated” (P=0.02), “cooperative” (P=0.05) and “dependent scores” (P=0.004) were negatively correlated with right-sided fAA. These findings imply that right-sided fAA may be associated with more perceptions of “depressed” psychosocial interactions involving negative thoughts about oneself, as well as, more reliance on others (“dependence” score), less sharing (“cooperative” ISI score), less trust (“regulated” ISI score) and less initiative (“relaxed” ISI score). These results support the hypothesis that right-sided fAA may identify individuals with a predilection for negative thoughts about themselves and other negatively-valenced perceptions of their psychosocial interactions.
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Xu X, Li B, Liu P, Li D. Electrophysiological Correlates of Shyness Affected by Facial Attractiveness. Front Psychol 2022; 12:739585. [PMID: 35069317 PMCID: PMC8782144 DOI: 10.3389/fpsyg.2021.739585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 12/10/2021] [Indexed: 12/04/2022] Open
Abstract
Previous neurological studies of shyness have focused on the hemispheric asymmetry of alpha spectral power. To the best of our knowledge, few studies have focused on the interaction between different frequencies bands in the brain of shyness. Additionally, shy individuals are even shyer when confronted with a group of people they consider superior to them. This study aimed to reveal the neural basis of shy individuals using the delta-beta correlation. Further, it aimed to investigate the effect of evaluators’ facial attractiveness on the delta-beta correlation of shyness during the speech anticipation phase. We recorded electroencephalogram (EEG) activity of 94 participants during rest and anticipation of the public speaking phase. Moreover, during the speech anticipation phase, participants were presented with high or low facial attractiveness. The results showed that, as predicted, the delta-beta correlation in the frontal region was more robust for high shyness than for low shyness during the speech anticipation phase. However, no significant differences were observed in the delta-beta correlation during the baseline phase. Further exploration found that the delta-beta correlation was more robust for high facial attractiveness than low facial attractiveness in the high shyness group. However, no significant difference was found in the low-shyness group. This study suggests that a stronger delta-beta correlation might be the neural basis for shy individuals. Moreover, high facial attractiveness might enhance the delta-beta correlation of high shyness in anticipation of public speaking.
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Affiliation(s)
- Xiaofan Xu
- Department of Psychology, School of Education, Shanghai Normal University, Shanghai, China
| | - Bingbing Li
- Department of Psychology, School of Education, Shanghai Normal University, Shanghai, China
| | - Ping Liu
- Department of Psychology, School of Education, Shanghai Normal University, Shanghai, China
| | - Dan Li
- Department of Psychology, School of Education, Shanghai Normal University, Shanghai, China
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Rogala J, Dreszer J, Malinowska U, Waligóra M, Pluta A, Antonova I, Wróbel A. Stronger connectivity and higher extraversion protect against stress-related deterioration of cognitive functions. Sci Rep 2021; 11:17452. [PMID: 34465808 PMCID: PMC8408208 DOI: 10.1038/s41598-021-96718-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 08/13/2021] [Indexed: 11/09/2022] Open
Abstract
Here we attempted to define the relationship between: EEG activity, personality and coping during lockdown. We were in a unique situation since the COVID-19 outbreak interrupted our independent longitudinal study. We already collected a significant amount of data before lockdown. During lockdown, a subgroup of participants willingly continued their engagement in the study. These circumstances provided us with an opportunity to examine the relationship between personality/cognition and brain rhythms in individuals who continued their engagement during lockdown compared to control data collected well before pandemic. The testing consisted of a one-time assessment of personality dimensions and two sessions of EEG recording and deductive reasoning task. Participants were divided into groups based on the time they completed the second session: before or during the COVID-19 outbreak ‘Pre-pandemic Controls’ and ‘Pandemics’, respectively. The Pandemics were characterized by a higher extraversion and stronger connectivity, compared to Pre-pandemic Controls. Furthermore, the Pandemics improved their cognitive performance under long-term stress as compared to the Pre-Pandemic Controls matched for personality traits to the Pandemics. The Pandemics were also characterized by increased EEG connectivity during lockdown. We posit that stronger EEG connectivity and higher extraversion could act as a defense mechanism against stress-related deterioration of cognitive functions.
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Affiliation(s)
- Jacek Rogala
- Bioimaging Research Center, World Hearing Center, Institute of Physiology and Pathology of Hearing, Warsaw, Poland. .,The Center for Systemic Risk Analysis, Faculty of "Artes Liberales", University of Warsaw, Warsaw, Poland.
| | - Joanna Dreszer
- The Center for Systemic Risk Analysis, Faculty of "Artes Liberales", University of Warsaw, Warsaw, Poland.,Institute of Psychology, Faculty of Philosophy and Social Sciences, Nicolaus Copernicus University in Toruń, Toruń, Poland
| | - Urszula Malinowska
- Instytut Biologii Doświadczalnej Im. Marcelego Nenckiego, Warsaw, Poland
| | - Marek Waligóra
- Instytut Biologii Doświadczalnej Im. Marcelego Nenckiego, Warsaw, Poland
| | - Agnieszka Pluta
- Faculty of Psychology, The University of Warsaw, Warsaw, Poland
| | - Ingrida Antonova
- Instytut Biologii Doświadczalnej Im. Marcelego Nenckiego, Warsaw, Poland
| | - Andrzej Wróbel
- The Center for Systemic Risk Analysis, Faculty of "Artes Liberales", University of Warsaw, Warsaw, Poland.,Instytut Biologii Doświadczalnej Im. Marcelego Nenckiego, Warsaw, Poland.,Institute of Philosophy, Faculty of Epistemology, University of Warsaw, Warsaw, Poland
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A Simulation on Relation between Power Distribution of Low-Frequency Field Potentials and Conducting Direction of Rhythm Generator Flowing through 3D Asymmetrical Brain Tissue. Symmetry (Basel) 2021. [DOI: 10.3390/sym13050900] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Although the power of low-frequency oscillatory field potentials (FP) has been extensively applied previously, few studies have investigated the influence of conducting direction of deep-brain rhythm generator on the power distribution of low-frequency oscillatory FPs on the head surface. To address this issue, a simulation was designed based on the principle of electroencephalogram (EEG) generation of equivalent dipole current in deep brain, where a single oscillatory dipole current represented the rhythm generator, the dipole moment for the rhythm generator’s conducting direction (which was orthogonal and rotating every 30 degrees and at pointing to or parallel to the frontal lobe surface) and the (an)isotropic conduction medium for the 3D (a)symmetrical brain tissue. Both the power above average (significant power value, SP value) and its space (SP area) of low-frequency oscillatory FPs were employed to respectively evaluate the strength and the space of the influence. The computation was conducted using the finite element method (FEM) and Hilbert transform. The finding was that either the SP value or the SP area could be reduced or extended, depending on the conducting direction of deep-brain rhythm generator flowing in the (an)isotropic medium, suggesting that the 3D (a)symmetrical brain tissue could decay or strengthen the spatial spread of a rhythm generator conducting in a different direction.
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Wendel CJ, Wilhelm RA, Gable PA. Individual differences in motivation and impulsivity link resting frontal alpha asymmetry and motor beta activation. Biol Psychol 2021; 162:108088. [PMID: 33811974 DOI: 10.1016/j.biopsycho.2021.108088] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 03/27/2021] [Accepted: 03/27/2021] [Indexed: 11/18/2022]
Abstract
Previous research has linked neural correlates with motivational traits and measures of impulsivity. However, few previous studies have investigated whether individual differences in motivation and impulsivity moderate the relationship between these disparate neural activity patterns. In a sample of 118 young adults, we used Electroencephalography (EEG) to examine whether behavioral activation and inhibition systems (BIS/BAS) and impulsivity facets (negative urgency, lack of perseverance), moderate the relationship between beta power and resting frontal alpha asymmetry. Regression analyses revealed a novel relationship between lesser beta power and greater left frontal alpha asymmetry (LFA). Moderation analyses suggest this relationship may strengthen as BIS/BAS levels increase, and trait impulsivity levels decrease from the mean. These results are among the first revealing a relationship between two widely investigated neural activity patterns of motivation and provide some indication individual differences moderate this relationship. The limitations of these findings and need for future research are discussed.
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Affiliation(s)
- Christopher J Wendel
- Department of Psychology, University of Alabama, 505 Hackberry Lane, Tuscaloosa, AL, 35401, United States.
| | - Ricardo A Wilhelm
- Department of Psychology, University of Alabama, 505 Hackberry Lane, Tuscaloosa, AL, 35401, United States
| | - Philip A Gable
- Department of Psychological & Brain Sciences, University of Delaware 105 The Green, Newark, DE, 19716, United States
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