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Yang X, Chen L, Yang P, Yang X, Liu L, Li L. Negative emotion-conditioned prepulse induces the attentional enhancement of prepulse inhibition in humans. Behav Brain Res 2023; 438:114179. [PMID: 36330905 DOI: 10.1016/j.bbr.2022.114179] [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: 05/29/2022] [Revised: 10/20/2022] [Accepted: 10/24/2022] [Indexed: 11/06/2022]
Abstract
Prepulse inhibition (PPI) is a reduction of the acoustic startle reflex (ASR) when the startling stimulus is preceded by a weaker and non-startling stimulus (i.e., prepulse). Previous studies have revealed that PPI can be top-down modulated by selective attention to the fear-conditioned prepulse in animals. However, few researchers have tested this assumption in humans. Thus, in this study, the negative emotional-conditioned prepulse (CS+) was used to explore whether it could improve participants' attention, and further improve the PPI. The results showed that the CS+ prepulse increased the PPI only in females, PPI produced by CS+ prepulse was larger in females than in males, and the perceptual spatial attention further improved the PPI in both females and males. The results suggested that the PPI was affected by emotional, perceptual spatial attention, and sex. These findings highlight an additional method to measure top-down attentional regulation of PPI in humans. Which may offer a useful route to enhance the diagnosis of affective disorders, such as anxiety, depression, and post-traumatic stress disorder.
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Affiliation(s)
- Xiaoqin Yang
- Laboratory of Brain Disorders, Beijing Institute of Brain Disorders, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China; National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence, Peking University, Beijing, China
| | - Liangjie Chen
- School of Psychological and Cognitive Sciences, Key Laboratory on Machine Perception (Ministry of Education), Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing 100080, China
| | - Pengcheng Yang
- School of Psychological and Cognitive Sciences, Key Laboratory on Machine Perception (Ministry of Education), Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing 100080, China
| | - Xiaodong Yang
- School of Psychological and Cognitive Sciences, Key Laboratory on Machine Perception (Ministry of Education), Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing 100080, China
| | - Lei Liu
- School of Psychological and Cognitive Sciences, Key Laboratory on Machine Perception (Ministry of Education), Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing 100080, China.
| | - Liang Li
- Laboratory of Brain Disorders, Beijing Institute of Brain Disorders, Ministry of Science and Technology, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing 100069, China; School of Psychological and Cognitive Sciences, Key Laboratory on Machine Perception (Ministry of Education), Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing 100080, China.
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San-Martin R, Zimiani MI, de Ávila MAV, Shuhama R, Del-Ben CM, Menezes PR, Fraga FJ, Salum C. Early Schizophrenia and Bipolar Disorder Patients Display Reduced Neural Prepulse Inhibition. Brain Sci 2022; 12:93. [PMID: 35053836 PMCID: PMC8773710 DOI: 10.3390/brainsci12010093] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/29/2021] [Accepted: 12/29/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Altered sensorimotor gating has been demonstrated by Prepulse Inhibition (PPI) tests in patients with psychosis. Recent advances in signal processing methods allow assessment of neural PPI through electroencephalogram (EEG) recording during acoustic startle response measures (classic muscular PPI). Simultaneous measurements of muscular (eye-blink) and neural gating phenomena during PPI test may help to better understand sensorial processing dysfunctions in psychosis. In this study, we aimed to assess simultaneously muscular and neural PPI in early bipolar disorder and schizophrenia patients. METHOD Participants were recruited from a population-based case-control study of first episode psychosis. PPI was measured using electromyography (EMG) and EEG in pulse alone and prepulse + pulse with intervals of 30, 60, and 120 ms in early bipolar disorder (n = 18) and schizophrenia (n = 11) patients. As control group, 15 socio-economically matched healthy subjects were recruited. All subjects were evaluated with Rating Scale, Hamilton Rating Scale for Depression, and Young Mania Rating Scale questionnaires at recruitment and just before PPI test. Wilcoxon ranked sum tests were used to compare PPI test results between groups. RESULTS In comparison to healthy participants, neural PPI was significantly reduced in PPI 30 and PPI60 among bipolar and schizophrenia patients, while muscular PPI was reduced in PPI60 and PPI120 intervals only among patients with schizophrenia. CONCLUSION The combination of muscular and neural PPI evaluations suggested distinct impairment patterns among schizophrenia and bipolar disorder patients. Simultaneous recording may contribute with novel information in sensory gating investigations.
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Affiliation(s)
- Rodrigo San-Martin
- Centro de Matemática, Computação e Cognição, Universidade Federal do ABC, São Bernardo do Campo 09606-045, Brazil; (R.S.-M.); (M.I.Z.)
| | - Maria Inês Zimiani
- Centro de Matemática, Computação e Cognição, Universidade Federal do ABC, São Bernardo do Campo 09606-045, Brazil; (R.S.-M.); (M.I.Z.)
| | | | - Rosana Shuhama
- Ribeirão Preto Medical School, Universidade de São Paulo, Ribeirão Preto 14040-900, Brazil; (M.A.V.d.Á.); (R.S.); (C.M.D.-B.)
- Population Mental Health Research Center, Universidade de São Paulo, São Paulo 01246-903, Brazil;
| | - Cristina Marta Del-Ben
- Ribeirão Preto Medical School, Universidade de São Paulo, Ribeirão Preto 14040-900, Brazil; (M.A.V.d.Á.); (R.S.); (C.M.D.-B.)
- Population Mental Health Research Center, Universidade de São Paulo, São Paulo 01246-903, Brazil;
| | - Paulo Rossi Menezes
- Population Mental Health Research Center, Universidade de São Paulo, São Paulo 01246-903, Brazil;
- Department of Preventive Medicine, Faculdade de Medicina, Universidade de São Paulo, São Paulo 01246-903, Brazil
| | - Francisco José Fraga
- Centro de Engenharia, Modelagem e Ciências Sociais Aplicadas, Universidade Federal do ABC, Santo André 09210-580, Brazil;
| | - Cristiane Salum
- Centro de Matemática, Computação e Cognição, Universidade Federal do ABC, São Bernardo do Campo 09606-045, Brazil; (R.S.-M.); (M.I.Z.)
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Storozheva ZI, Akhapkin RV, Bolotina OV, Korendrukhina A, Novototsky-Vlasov VY, Shcherbakova IV, Kirenskaya AV. Sensorimotor and sensory gating in depression, anxiety, and their comorbidity. World J Biol Psychiatry 2021; 22:183-193. [PMID: 32420779 DOI: 10.1080/15622975.2020.1770859] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
OBJECTIVES Abnormal attentional and cognitive processes are thought to increase the risk for depression and anxiety. To improve understanding of brain mechanisms of anxiety and depressive disorders and condition of their comorbidity, the study of early attentional processes was provided. METHODS Participants were patients with depressive (80 s.), anxiety (69 s.), and comorbid (41 s.) disorders, and healthy volunteers (50 s.). Acoustic startle response (ASR) and P50 component of the auditory event-related potential were recorded. RESULTS In the ASR model decreased startle response amplitude at the left eye in patients with comorbid disorder was found, and ASR latency was lengthened in all clinical groups. Deficit of prepulse inhibition was unique for comorbid disorder, and might be considered as risk of evolution to more serious condition. Reduced prepulse facilitation was revealed in patients with comorbid and anxiety disorders. In P50 suppression paradigm decreased S1 response amplitude was revealed in all clinical groups, P50 latency was prolonged in depressive and comorbid patients, and P50 suppression deficit was observed in depression and anxiety groups. CONCLUSIONS The obtained results might be useful for development of integrative neural models of comorbidity of anxiety and depression, and elaboration of diagnostic and therapeutic approaches.
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Affiliation(s)
- Zinaida I Storozheva
- Laboratory of Clinical Neurophysiology, V. Serbsky National Medical Research Centre for Psychiatry and Narcology, Moscow, Russian Federation
| | - Roman V Akhapkin
- Department of new drugs and therapies, V. Serbsky National Medical Research Centre for Psychiatry and Narcology, Moscow Russian Federation
| | - Olga V Bolotina
- Laboratory of Clinical Neurophysiology, V. Serbsky National Medical Research Centre for Psychiatry and Narcology, Moscow, Russian Federation
| | - Anna Korendrukhina
- Department of new drugs and therapies, V. Serbsky National Medical Research Centre for Psychiatry and Narcology, Moscow Russian Federation
| | - Vladimir Y Novototsky-Vlasov
- Laboratory of Clinical Neurophysiology, V. Serbsky National Medical Research Centre for Psychiatry and Narcology, Moscow, Russian Federation
| | | | - Anna V Kirenskaya
- Laboratory of Clinical Neurophysiology, V. Serbsky National Medical Research Centre for Psychiatry and Narcology, Moscow, Russian Federation
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De Pascalis V, Scacchia P, Sommer K, Checcucci C. Psychopathy traits and reinforcement sensitivity theory: Prepulse inhibition and ERP responses. Biol Psychol 2019; 148:107771. [DOI: 10.1016/j.biopsycho.2019.107771] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 09/09/2019] [Accepted: 09/13/2019] [Indexed: 11/25/2022]
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Blanch A, Lucas I, Balada F, Blanco E, Aluja A. Sex differences and personality in the modulation of the acoustic startle reflex. Physiol Behav 2018; 195:20-27. [PMID: 30053432 DOI: 10.1016/j.physbeh.2018.07.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 06/22/2018] [Accepted: 07/23/2018] [Indexed: 01/15/2023]
Abstract
The modulation of the eyeblink component of the acoustic startle reflex (ASR) has been used to study human motivation, attention, and emotion towards affective stimuli of different valence. However, sex and individual differences in personality have been rather overlooked concerning the change in the ASR to brief affective sequences. In this study, we aimed to evaluate sex differences in the ASR, together with the influence of sensitivity to punishment (SP) and sensitivity to reward (SR) in the affective modulation of the ASR to pleasant and unpleasant pictures. We addressed this topic with a latent curve model (LCM) representing the change in the ASR of an extensive group of men (n = 166) and women (n = 109). There was a significant habituation of the ASR to the pleasant pictures, and a significant sensitization of the ASR to the unpleasant pictures. Both effects were higher and more variable for women than for men. There were in addition interactive and quadratic effects of SP and SR on the ASR to the pleasant and unpleasant pictures. Men and women with extreme scores in SP, and women with low scores in SR habituated faster to the pleasant stimuli. For men scoring low in SP, higher scores in SR related with an attenuated initial ASR to the unpleasant stimuli. Women with extreme scores in SP had a higher initial ASR to the unpleasant stimuli. There were remarkable asymmetries between men and women concerning personality effects on the change in the ASR to affective stimuli.
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Affiliation(s)
- Angel Blanch
- Department of Psychology, University of Lleida, Spain; Institute of Biomedical Research (IRB), Lleida, Spain.
| | - Ignacio Lucas
- Department of Psychology, University of Lleida, Spain; Institute of Biomedical Research (IRB), Lleida, Spain
| | - Ferran Balada
- Department of Psychology, University of Lleida, Spain; Institute of Biomedical Research (IRB), Lleida, Spain; Department of Psychobiology, Institute of Neurosciences, Universitat Autònoma de Barcelona, Spain
| | - Eduardo Blanco
- Department of Psychology, University of Lleida, Spain; Institute of Biomedical Research (IRB), Lleida, Spain
| | - Anton Aluja
- Department of Psychology, University of Lleida, Spain; Institute of Biomedical Research (IRB), Lleida, Spain
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6
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San-Martin R, Zimiani MI, Noya C, Ávila MAV, Shuhama R, Del-Ben CM, Menezes PR, Fraga FJ, Salum C. A Method for Simultaneous Evaluation of Muscular and Neural Prepulse Inhibition. Front Neurosci 2018; 12:654. [PMID: 30319337 PMCID: PMC6168667 DOI: 10.3389/fnins.2018.00654] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 08/31/2018] [Indexed: 11/15/2022] Open
Abstract
Prepulse inhibition (PPI) test has been widely used to evaluate sensorimotor gating. In humans, deficits in this mechanism are measured through the orbicularis muscle response using electromyography (EMG). Although this mechanism can be modulated by several brain structures and is impaired in some pathologies as schizophrenia and bipolar disorder, neural PPI evaluation is rarely performed in humans. Since eye blinks are a consequence of PPI stimulation, they strongly contaminate the electroencephalogram (EEG) signal. This paper describes a method to reduce muscular artifacts and enable neural PPI assessment through EEG in parallel to muscular PPI evaluation using EMG. Both types of signal were simultaneously recorded in 22 healthy subjects. PPI was evaluated by the acoustical startle response with EMG and by the P2-N1 event-related potential (ERP) using EEG in Fz, Cz, and Pz electrodes. In order to remove EEG artifacts, Independent Component Analysis (ICA) was performed using two methods. Firstly, visual inspection discarded components containing artifact characteristics as ocular and tonic muscle artifacts. The second method used visual inspection as gold standard to validate parameters in an automated component selection using the SASICA algorithm. As an outcome, EEG artifacts were effectively removed and equivalent neural PPI evaluation performance was obtained using both methods, with subjects exhibiting consistent neural as well as muscular PPI. This novel method improves PPI test, enabling neural gating mechanisms assessment within the latency of 100–200 ms, which is not evaluated by other sensory gating tests as P50 and mismatch negativity.
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Affiliation(s)
- Rodrigo San-Martin
- Center for Mathematics, Computation and Cognition, Universidade Federal do ABC, São Bernardo do Campo, Brazil
| | - Maria Inês Zimiani
- Center for Mathematics, Computation and Cognition, Universidade Federal do ABC, São Bernardo do Campo, Brazil
| | - Claudemiro Noya
- Engineering, Modeling and Applied Social Sciences Center, Universidade Federal do ABC, Santo André, Brazil
| | | | - Rosana Shuhama
- Ribeirão Preto Medical School, Universidade de São Paulo, Ribeirão Preto, Brazil
| | | | - Paulo Rossi Menezes
- Department of Preventive Medicine, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil.,Population Mental Health Research Center, Universidade de São Paulo, São Paulo, Brazil
| | - Francisco José Fraga
- Engineering, Modeling and Applied Social Sciences Center, Universidade Federal do ABC, Santo André, Brazil
| | - Cristiane Salum
- Center for Mathematics, Computation and Cognition, Universidade Federal do ABC, São Bernardo do Campo, Brazil
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Abstract
OBJECTIVES We investigated how broad motivational tendencies are related to the expression and suppression of action impulses in Parkinson's disease (PD). METHODS Sixty-nine participants with PD completed a Simon response conflict task and Behavioral Inhibition System (BIS) and Behavioral Activation System (BAS) scales based on Gray's (1987) reinforcement sensitivity theory. Analyses determined relationships between BIS, BAS, and the susceptibility to making impulsive action errors and the proficiency of inhibiting interference from action impulses. RESULTS BIS scores correlated positively with rates of impulsive action errors, indicating that participants endorsing low BIS tendencies were much more susceptible to acting on strong motor impulses. Analyses of subgroups with high versus low BIS scores confirmed this pattern and ruled out alternative explanations in terms of group differences in speed-accuracy tradeoffs. None of the scores on the BIS or BAS scales correlated with reactive inhibitory control. CONCLUSIONS PD participants who endorse diminished predilection toward monitoring and avoiding aversive experiences (low BIS) show much greater difficulty restraining fast, impulsive motor errors. Establishing relationships between motivational sensitivities and cognitive control processes may have important implications for treatment strategies and positive health outcomes in participants with PD, particularly those at risk for falling and driving difficulties related to impulsive reactions. (JINS, 2018, 24, 128-138).
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Abstract
Motivation is associated with electrophysiological markers, such as awake state delta oscillation and frontal alpha asymmetry, as well as event-related potentials, such as error-related negativity, feedback-related negativity, and prepulse inhibition. These indicators provide an objective measure of motivational deficits in psychiatric conditions, and response to treatment. Also, these modalities of brain activities are drawing attention as a target of neurofeedback training. The aim of this article is to provide a brief overview on electrophysiological findings relevant to the understanding of the mechanisms underlying impaired motivation in psychiatric disorders and clinical practice.
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Affiliation(s)
- Kazuki Sueyoshi
- 1 Department of Clinical Epidemiology, Translational Medical Center, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Tomiki Sumiyoshi
- 1 Department of Clinical Epidemiology, Translational Medical Center, National Center of Neurology and Psychiatry, Tokyo, Japan
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9
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Exploring the relationship between frontal asymmetry and emotional dampening. Int J Psychophysiol 2017; 123:8-16. [PMID: 29233674 DOI: 10.1016/j.ijpsycho.2017.12.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Revised: 12/06/2017] [Accepted: 12/06/2017] [Indexed: 01/20/2023]
Abstract
Cardiovascular emotional dampening is the term used to describe the inverse relationship between resting blood pressure and emotional responsivity which extends from normotensive to hypertensive ranges. Little is known about its underlying physiological mechanisms, but it is thought to involve some disruption in emotion processing. One area that has yet to be explored in the literature is the relationship between emotional dampening and frontal asymmetry, a psychophysiological indicator for motivational direction and emotional valence bias. The present study explored that relationship using data from a sample of 48 healthy college students. Measures of baseline resting blood pressure and frontal cortical activity were recorded, after which participants completed a series of emotion-related tasks. Results revealed a significant relationship between resting systolic blood pressure and left frontal activity. Likewise, left frontal activity was associated with neutral appraisal of emotionally valenced stimuli within the tasks. The findings from the present study yield support for a link between emotional dampening and left frontal activity. Implications are discussed.
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Morales-Muñoz I, Martínez-Gras I, Ponce G, de la Cruz J, Lora D, Rodríguez-Jiménez R, Jurado-Barba R, Navarrete F, García-Gutiérrez MS, Manzanares J, Rubio G. Psychological symptomatology and impaired prepulse inhibition of the startle reflex are associated with cannabis-induced psychosis. J Psychopharmacol 2017. [PMID: 28648138 DOI: 10.1177/0269881117711920] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
BACKGROUND Cannabis-induced psychotic disorder (CIPD) is a psychiatric disorder induced by cannabis consumption. The psychological and psychophysiological features of this disorder are still unknown. We aimed to examine the psychological, personality and psychophysiological features of patients with CIPD. This study is an analytical extension of our previously published data, which previously found prepulse inhibition (PPI) deficits in the CIPD group used in this current paper. METHODS We used a sample of 45 patients with CIPD. After 9 months of follow up, these patients were assessed with a Symptom Checklist-90-R (SCL-90-R) questionnaire of psychopathology, with the Eysenck Personality Questionnaire, and with a psychophysiological paradigm of inhibition of the startle reflex (PPI). These results were compared with a group of patients with schizophrenia and cannabis abuse (SCHZ) ( n = 54); patients with cannabis dependence (CD) ( n = 21); and healthy controls ( n = 50). RESULTS CIPD patients obtained significant higher scores in the SCL-90-R subscale of neuroticism. These patients showed PPI percentages similar to SCHZ patients within early attentional levels (30 ms). The variables with greater correlation, and that appeared in the CIPD group were interpersonal sensitivity, depression and phobia. CONCLUSIONS Neurotic symptomatology and difficulties in inhibition of the startle reflex might be risk factors for developing CIPD.
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Affiliation(s)
- Isabel Morales-Muñoz
- 1 Department of Health, National Institute for Health and Welfare (THL), Helsinki, Finland.,2 Research Institute 12-i, Madrid, Spain
| | - Isabel Martínez-Gras
- 2 Research Institute 12-i, Madrid, Spain.,3 Hospital Universitario 12 de Octubre, Madrid, Spain.,4 Department of Psychiatry, Complutense University of Madrid, Madrid, Spain.,5 Red temática de Investigación cooperativa en salud (RETIS-Trastornos adictivos), Instituto Carlos III, MICINN and FEDER, Madrid, Spain
| | - Guillermo Ponce
- 2 Research Institute 12-i, Madrid, Spain.,3 Hospital Universitario 12 de Octubre, Madrid, Spain.,4 Department of Psychiatry, Complutense University of Madrid, Madrid, Spain.,5 Red temática de Investigación cooperativa en salud (RETIS-Trastornos adictivos), Instituto Carlos III, MICINN and FEDER, Madrid, Spain
| | - Javier de la Cruz
- 2 Research Institute 12-i, Madrid, Spain.,3 Hospital Universitario 12 de Octubre, Madrid, Spain
| | - David Lora
- 6 Clinical Research Unit (i+12), Hospital Universitario 12 de Octubre, Madrid, Spain.,7 CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Roberto Rodríguez-Jiménez
- 2 Research Institute 12-i, Madrid, Spain.,3 Hospital Universitario 12 de Octubre, Madrid, Spain.,4 Department of Psychiatry, Complutense University of Madrid, Madrid, Spain.,8 Biomedical Research Center Network for Mental Health (CIBERSAM), Madrid, Spain
| | - Rosa Jurado-Barba
- 2 Research Institute 12-i, Madrid, Spain.,3 Hospital Universitario 12 de Octubre, Madrid, Spain.,8 Biomedical Research Center Network for Mental Health (CIBERSAM), Madrid, Spain
| | - Francisco Navarrete
- 5 Red temática de Investigación cooperativa en salud (RETIS-Trastornos adictivos), Instituto Carlos III, MICINN and FEDER, Madrid, Spain.,9 Institute for Neurosciences, Miguel Hernández University-CSIC, Alicante, Spain
| | - María Salud García-Gutiérrez
- 5 Red temática de Investigación cooperativa en salud (RETIS-Trastornos adictivos), Instituto Carlos III, MICINN and FEDER, Madrid, Spain.,9 Institute for Neurosciences, Miguel Hernández University-CSIC, Alicante, Spain
| | - Jorge Manzanares
- 5 Red temática de Investigación cooperativa en salud (RETIS-Trastornos adictivos), Instituto Carlos III, MICINN and FEDER, Madrid, Spain.,9 Institute for Neurosciences, Miguel Hernández University-CSIC, Alicante, Spain
| | - Gabriel Rubio
- 2 Research Institute 12-i, Madrid, Spain.,3 Hospital Universitario 12 de Octubre, Madrid, Spain.,4 Department of Psychiatry, Complutense University of Madrid, Madrid, Spain.,5 Red temática de Investigación cooperativa en salud (RETIS-Trastornos adictivos), Instituto Carlos III, MICINN and FEDER, Madrid, Spain
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De Pascalis V, Fracasso F, Corr PJ. The behavioral approach system and augmenting/reducing in auditory event-related potentials during emotional visual stimulation. Biol Psychol 2016; 123:310-323. [PMID: 27816656 DOI: 10.1016/j.biopsycho.2016.10.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Revised: 10/29/2016] [Accepted: 10/29/2016] [Indexed: 10/20/2022]
Abstract
In the recent Reinforcement Sensitivity Theory Personality Questionnaire (RST-PQ, Corr and Cooper, 2016) the behavioral approach system (BAS) has been conceptualized as multidimensional in which facets of reward interest and reactivity, and goal-drive persistence, are separate from impulsivity. Aim of the present work was to highlight the predictive power of BAS and its facets in differentiating electrocortical responses by using an auditory augmenting/reducing event-related potential (ERP) paradigm during emotional visual stimulation. ERPs were recorded for 5 levels of intensity in 39 women. The RST-PQ was used to measure the total BAS (T-BAS) and its four facets of Goal-Drive Persistence (GDP), Reward Interest (RI), Reward Reactivity (RR), and Impulsivity (IMP). T-BAS and RI, and to a less extent GDP and RR, were significantly associated with higher N1/P2 amplitudes at central sites (C3, Cz, C4) across neutral, positive and negative slides. Similar, but less pronounced relations were found for GDP and RR, but this relation was lacking for Imp facet. In addition, N1/P2 slope at central sites was positively correlated with T-BAS, GDP, RI, RR, but not Imp. Indeed, T-BAS facets failed to maintain a significant correlation with N1/P2 slope, after controlling for T-BAS residual scores, indicating that T-BAS drives these significant correlations. LORETA analysis at 219ms (P2 wave) from tone onset revealed a significant activation of the right inferior parietal lobule (IPL, BA40) and left anterior cingulate gyrus (BA32) in high T-BAS compared to low T-BAS participants. Results are discussed within a revised RST framework differentiating reward components from impulsivity.
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Affiliation(s)
| | | | - Philip J Corr
- Department of Psychology, City University London, London, United Kingdom
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12
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Santarcangelo EL, Briscese L, Capitani S, Orsini P, Varanini M, Rossi B, Carboncini MC. Blink reflex in subjects with different hypnotizability: New findings for an old debate. Physiol Behav 2016; 163:288-293. [DOI: 10.1016/j.physbeh.2016.05.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 05/11/2016] [Accepted: 05/12/2016] [Indexed: 12/26/2022]
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De Pascalis V, Scacchia P. Hypnotizability and Placebo Analgesia in Waking and Hypnosis as Modulators of Auditory Startle Responses in Healthy Women: An ERP Study. PLoS One 2016; 11:e0159135. [PMID: 27486748 PMCID: PMC4972439 DOI: 10.1371/journal.pone.0159135] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2016] [Accepted: 06/28/2016] [Indexed: 11/30/2022] Open
Abstract
We evaluated the influence of hypnotizability, pain expectation, placebo analgesia in waking and hypnosis on tonic pain relief. We also investigated how placebo analgesia affects somatic responses (eye blink) and N100 and P200 waves of event-related potentials (ERPs) elicited by auditory startle probes. Although expectation plays an important role in placebo and hypnotic analgesia, the neural mechanisms underlying these treatments are still poorly understood. We used the cold cup test (CCT) to induce tonic pain in 53 healthy women. Placebo analgesia was initially produced by manipulation, in which the intensity of pain induced by the CCT was surreptitiously reduced after the administration of a sham analgesic cream. Participants were then tested in waking and hypnosis under three treatments: (1) resting (Baseline); (2) CCT-alone (Pain); and (3) CCT plus placebo cream for pain relief (Placebo). For each painful treatment, we assessed pain and distress ratings, eye blink responses, N100 and P200 amplitudes. We used LORETA analysis of N100 and P200 waves, as elicited by auditory startle, to identify cortical regions sensitive to pain reduction through placebo and hypnotic analgesia. Higher pain expectation was associated with higher pain reductions. In highly hypnotizable participants placebo treatment produced significant reductions of pain and distress perception in both waking and hypnosis condition. P200 wave, during placebo analgesia, was larger in the frontal left hemisphere while placebo analgesia, during hypnosis, involved the activity of the left hemisphere including the occipital region. These findings demonstrate that hypnosis and placebo analgesia are different processes of top-down regulation. Pain reduction was associated with larger EMG startle amplitudes, N100 and P200 responses, and enhanced activity within the frontal, parietal, and anterior and posterior cingulate gyres. LORETA results showed that placebo analgesia modulated pain-responsive areas known to reflect the ongoing pain experience.
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De la Casa LG, Mena A, Ruiz-Salas JC. Effect of stress and attention on startle response and prepulse inhibition. Physiol Behav 2016; 165:179-86. [PMID: 27484698 DOI: 10.1016/j.physbeh.2016.07.022] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 07/26/2016] [Accepted: 07/29/2016] [Indexed: 11/30/2022]
Abstract
The startle reflex magnitude can be modulated when a weak stimulus is presented before the onset of the startle stimulus, a phenomenon termed prepulse inhibition (PPI). Previous research has demonstrated that emotional processes can modulate PPI and startle intensity, but the available evidence is inconclusive. In order to obtain additional evidence in this domain, we conducted two experiments intended to analyze the effect of induced stress and attentional load on PPI and startle magnitude. Specifically, in Experiment 1 we used a between subject strategy to evaluate the effect on startle response and PPI magnitude of performing a difficult task intended to induce stress in the participants, as compared to a group exposed to a control task. In Experiment 2 we evaluated the effect of diverting attention from the acoustic stimulus on startle and PPI intensity. The results seem to indicate that induced stress can reduce PPI, and that startle reflex intensity is reduced when attention is directed away from the auditory stimulus that induces the reflex.
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