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Gamma-band oscillations of pain and nociception: A systematic review and meta-analysis of human and rodent studies. Neurosci Biobehav Rev 2023; 146:105062. [PMID: 36682424 DOI: 10.1016/j.neubiorev.2023.105062] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 01/08/2023] [Accepted: 01/18/2023] [Indexed: 01/22/2023]
Abstract
Pain-induced gamma-band oscillations (GBOs) are one of the most promising biomarkers of the pain experience. Although GBOs reliably encode pain perception across different individuals and species, considerable heterogeneity could be observed in the characteristics and functions of GBOs. However, such heterogeneity of GBOs and its underlying sources have rarely been detailed previously. Here, we conducted a systematic review and meta-analysis to characterize the temporal, frequential, and spatial characteristics of GBOs and summarize the functional significance of distinct GBOs. We found that GBO heterogeneity was mainly related to pain types, with a higher frequency (∼66 Hz) GBOs at the sensorimotor cortex elicited by phasic pain and a lower frequency (∼55 Hz) GBOs at the prefrontal cortex associated with tonic and chronic pains. Positive correlations between GBO magnitudes and pain intensity were observed in healthy participants. Notably, the characteristics and functions of GBOs seemed to be phylogenetically conserved across humans and rodents. Altogether, we provided a comprehensive description of heterogeneous GBOs in pain and nociception, laying the foundation for clinical applications of GBOs.
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2
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Ma C, Zou Y, Ye Y, Cao M, Yan X. Progress in the mechanism of acupuncture intervention on pain emotion and pain cognition mediated by limbic system. JOURNAL OF ACUPUNCTURE AND TUINA SCIENCE 2022. [DOI: 10.1007/s11726-022-1351-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
AbstractPain is a complex physiological and psychological activity, involving at least three dimensions, including pain sensation, pain emotion, and pain cognition. Acupuncture can clearly relieve the pain sensation of patients and improve pain emotion and pain cognition induced by pain; acupuncture participates in the multi-dimensional regulation of pain through brain regions of the limbic system such as anterior cingulate cortex (ACC), amygdala (AMY), and hippocampus. By analyzing relevant literature, it has been found that the regulation of acupuncture on pain emotion is mainly related to the activation of pertinent opioid receptors in the ACC, the decrease of the expression of extracellular signal-regulated kinase (ERK), and the promotion of the expression of glutamic acid (Glu) A1, metabotropic glutamate receptor-1 (mGluR1), and γ-aminobutyric acid aminobutyric acid (GABA) B2 protein in the AMY. The regulation of acupuncture on pain cognition is mainly related to the elevation of the expression of protein kinase A (PKA) and phospho-p38 mitogen-activated protein kinase (phospho-p38 MAPK) and the inhibition of cyclic adenosine monophosphate (cAMP)/PKA/cAMP response element-binding protein (CREB) signaling pathway in the ACC.
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Matamala-Gomez M, Bottiroli S, Sances G, Allena M, De Icco R, Ghiotto N, Guaschino E, Sandrini G, Tassorelli C. Facial expressions modulate pain perception in patients with chronic migraine. Cephalalgia 2022; 42:739-748. [PMID: 35166163 DOI: 10.1177/03331024221075081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
AIM First, we investigated whether the exposure to different visual feedback conditions may modulate pain perception by means of visual induced analgesia in patients with chronic migraine. Second, to comprehend the way emotional face expressions could induce visual analgesia, we evaluated the degree of identification with the four experimental conditions. METHODS In a 1 × 4 within-subject study design, 38 female chronic migraine patients were exposed to different visual stimuli - positive face, neutral face, negative face, and control (white screen) - during a migraine attack. Visual stimuli were presented 3 times in a randomized order (each condition lasted 40 seconds). Migraine pain ratings and identification scores were assessed immediately after the observation of each visual condition. RESULTS We observed a significant difference in pain ratings between the positive (median: 30, 95% CI 26.69 to 38.20) and the negative (median: 30, 95% CI 33.09 to 44.13) (z = -4.46, p < 0.0001) facial expressions or the neutral facial expression (median: 30, 95% CI 31.89 to 42.41) (z = 3.41, p < 0.001). Participants identified more with the neutral face condition than with the other conditions. CONCLUSIONS Observation of a positive emotional face resulted sufficient to modulate pain perception possibly via the mediation of emotion regulation for positive emotions. This study paves the way for the integration of new cognitive behavioural interventions based on the adoption of visual induced analgesia to further control pain perception in chronic migraine patients.
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Affiliation(s)
- Marta Matamala-Gomez
- Mind and Behavior Technological Center, Department of Psychology, University of Milano-Bicocca, Milan, Italy
| | - Sara Bottiroli
- Faculty of Law, Giustino Fortunato University, Benevento, Italy.,Headache Science and Neurorehabilitation Center, IRCCS Mondino Foundation, Pavia, Italy
| | - Grazia Sances
- Headache Science and Neurorehabilitation Center, IRCCS Mondino Foundation, Pavia, Italy
| | - Marta Allena
- Headache Science and Neurorehabilitation Center, IRCCS Mondino Foundation, Pavia, Italy
| | - Roberto De Icco
- Headache Science and Neurorehabilitation Center, IRCCS Mondino Foundation, Pavia, Italy.,Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | - Natascia Ghiotto
- Headache Science and Neurorehabilitation Center, IRCCS Mondino Foundation, Pavia, Italy
| | - Elena Guaschino
- Headache Science and Neurorehabilitation Center, IRCCS Mondino Foundation, Pavia, Italy
| | - Giorgio Sandrini
- Headache Science and Neurorehabilitation Center, IRCCS Mondino Foundation, Pavia, Italy.,Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | - Cristina Tassorelli
- Headache Science and Neurorehabilitation Center, IRCCS Mondino Foundation, Pavia, Italy.,Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
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4
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Lyu Y, Zidda F, Radev ST, Liu H, Guo X, Tong S, Flor H, Andoh J. Gamma Band Oscillations Reflect Sensory and Affective Dimensions of Pain. Front Neurol 2022; 12:695187. [PMID: 35082742 PMCID: PMC8784749 DOI: 10.3389/fneur.2021.695187] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 12/07/2021] [Indexed: 11/13/2022] Open
Abstract
Pain is a multidimensional process, which can be modulated by emotions; however, the mechanisms underlying this modulation are unknown. We used pictures with different emotional valence (negative, positive, and neutral) as primes and applied electrical painful stimuli as targets to healthy participants. We assessed pain intensity and unpleasantness ratings and recorded electroencephalograms (EEGs). We found that pain unpleasantness and not pain intensity ratings were modulated by emotion, with increased ratings for negative and decreased ratings for positive pictures. We also found two consecutive gamma band oscillations (GBOs) related to pain processing from time frequency analyses of the EEG signals. The early GBO had a cortical distribution contralateral to the painful stimulus and its amplitude was positively correlated with intensity and unpleasantness ratings, but not with prime valence. The late GBO had a centroparietal distribution and its amplitude was larger for negative compared to neutral and positive pictures. The emotional modulation effect (negative vs. positive) of the late GBO amplitude was positively correlated with pain unpleasantness. The early GBO might reflect the overall pain perception, possibly involving the thalamocortical circuit, while the late GBO might be related to the affective dimension of pain and top-down-related processes.
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Affiliation(s)
- Yuanyuan Lyu
- Department of Cognitive and Clinical Neuroscience, Medical Faculty Mannheim, Central Institute of Mental Health, Heidelberg University, Mannheim, Germany.,School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Francesca Zidda
- Department of Cognitive and Clinical Neuroscience, Medical Faculty Mannheim, Central Institute of Mental Health, Heidelberg University, Mannheim, Germany
| | - Stefan T Radev
- Department of Cognitive and Clinical Neuroscience, Medical Faculty Mannheim, Central Institute of Mental Health, Heidelberg University, Mannheim, Germany
| | - Hongcai Liu
- Department of Cognitive and Clinical Neuroscience, Medical Faculty Mannheim, Central Institute of Mental Health, Heidelberg University, Mannheim, Germany
| | - Xiaoli Guo
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Shanbao Tong
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Herta Flor
- Department of Cognitive and Clinical Neuroscience, Medical Faculty Mannheim, Central Institute of Mental Health, Heidelberg University, Mannheim, Germany
| | - Jamila Andoh
- Department of Cognitive and Clinical Neuroscience, Medical Faculty Mannheim, Central Institute of Mental Health, Heidelberg University, Mannheim, Germany.,Department of Psychiatry and Psychotherapy, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
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5
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Hillmer K, Kappesser J, Hermann C. Pain modulation by your partner: An experimental investigation from a social-affective perspective. PLoS One 2021; 16:e0254069. [PMID: 34292961 PMCID: PMC8297879 DOI: 10.1371/journal.pone.0254069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 06/21/2021] [Indexed: 11/23/2022] Open
Abstract
Background Social context such as the relationship between a person experiencing pain and a caregiver has been shown to affect the experience of pain, yet, results are not consistent. Possibly, differential effects of interpersonal relationships are modulated by affective states expressed by social partners. Viewing partner pictures in experimental designs is not only associated with lowered perceived pain intensity, but also affects neural responses. However, the role of affective modulation is not clear. The present study aimed to systematically examine the pain modulating effects of stimuli varying in affect and social content including personal relevance using subjective report and psychophysiological measures of facial and autonomic activity. Methods Twenty-nine women underwent a tonic heat pain paradigm with simultaneous picture viewing to investigate the influence of their partners’ faces with a neutral facial expression compared to strangers’ happy, angry and neutral facial expressions on pain intensity and accompanying psychophysiological parameters (facial activity: corrugator muscle activity, autonomic activity: skin conductance level, heart rate). In addition to perceived partner support and relationship characteristics, the contribution of the affective value (valence, arousal) of the partner faces to the observed pain modulation was examined. Results Partner and happy faces reduced self-reported pain intensity and corrugator activity, the latter being lowest when viewing partner faces as compared to all other picture categories. As corrugator activity is indexing stimulus unpleasantness and a core feature of the facial pain expression, this physiological pattern matches well with the subjective ratings. Neutral objects, neutral and angry faces had no effect on pain self-report, although angry faces were rated as highly negative. Partner faces also led to increased skin conductance, being an index of motivational activation, and heart rate deceleration, possibly reflecting increased sensory intake. Partner-related pain modulation was primarily related to perceived arousal of the partner’s picture, i.e., the intensity of the activation of approach motivation, and pain-related catastrophizing. Discussion Our results are partially consistent with emotional pain control models, especially regarding the modulatory influence of valence. Within the context of socially adaptive behavior, they particularly underline the social signal value of emotion and attachment figures. Clinically, our results imply that just looking at pictures of one’s partner when undergoing acute painful procedures can have a robust hypoalgesic effect.
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Affiliation(s)
- Katrin Hillmer
- Department of Clinical Psychology, Justus-Liebig-University Giessen, Giessen, Germany
| | - Judith Kappesser
- Department of Clinical Psychology, Justus-Liebig-University Giessen, Giessen, Germany
| | - Christiane Hermann
- Department of Clinical Psychology, Justus-Liebig-University Giessen, Giessen, Germany
- * E-mail:
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6
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Less is more: Morphometric and psychological differences between low and high reappraisers. COGNITIVE AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2021; 20:128-140. [PMID: 31858436 DOI: 10.3758/s13415-019-00757-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Emotion regulation plays a crucial role in an individual's well-being, as it is known that deficits in regulating emotions can lead to psychological and psychiatric disorders. Cognitive reappraisal is widely considered to be an adaptive and effective emotion-regulation strategy. People are more or less able to apply it, but it is still not clear how reappraisal affects brain structures and the psychological profile of individuals. In our study we thus aimed to explore the impact of applying reappraisal at both the neural and the psychological level. Source-based morphometry (SBM), a whole-brain multivariate method based on the Independent Component Analysis that extracts patterns of covariation of gray matter ("independent networks"), was applied to the MRI images of 37 participants. In order to enrich their psychological profiles, we measured their experienced affectivity (PANAS) and their empathic abilities (IRI). Based on the frequency of applying reappraisal (ERQ), participants were divided into low and high reappraisers (18 vs. 19). An independent source of gray matter emerged as being different between the groups: specifically, low reappraisers showed more gray matter volume concentration in a network including the frontal, temporal, and parietal regions as compared to high reappraisers. At the psychological level, low reappraisers reported a more strongly experienced negative affect, while no difference among reappraisers emerged with regard to empathic abilities. Capitalizing on a multivariate method for structural analysis that is innovative in this field, this study extends previous observations on individual differences in the ability to regulate emotions, and it describes a plausible impact of reappraisal on brain structures and affectivity.
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7
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Vukelić M, Lingelbach K, Pollmann K, Peissner M. Oscillatory EEG Signatures of Affective Processes during Interaction with Adaptive Computer Systems. Brain Sci 2020; 11:35. [PMID: 33396330 PMCID: PMC7824422 DOI: 10.3390/brainsci11010035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 12/16/2020] [Accepted: 12/24/2020] [Indexed: 11/23/2022] Open
Abstract
Affect monitoring is being discussed as a novel strategy to make adaptive systems more user-oriented. Basic knowledge about oscillatory processes and functional connectivity underlying affect during naturalistic human-computer interactions (HCI) is, however, scarce. This study assessed local oscillatory power entrainment and distributed functional connectivity in a close-to-naturalistic HCI-paradigm. Sixteen participants interacted with a simulated assistance system which deliberately evoked positive (supporting goal-achievement) and negative (impeding goal-achievement) affective reactions. Electroencephalography (EEG) was used to examine the reactivity of the cortical system during the interaction by studying both event-related (de-)synchronization (ERD/ERS) and event-related functional coupling of cortical networks towards system-initiated assistance. Significantly higher α-band and β-band ERD in centro-parietal and parieto-occipital regions and β-band ERD in bi-lateral fronto-central regions were observed during impeding system behavior. Supportive system behavior activated significantly higher γ-band ERS in bi-hemispheric parietal-occipital regions. This was accompanied by functional coupling of remote β-band and γ-band activity in the medial frontal, left fronto-central and parietal regions, respectively. Our findings identify oscillatory signatures of positive and negative affective processes as reactions to system-initiated assistance. The findings contribute to the development of EEG-based neuroadaptive assistance loops by suggesting a non-obtrusive method for monitoring affect in HCI.
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Affiliation(s)
- Mathias Vukelić
- Fraunhofer Institute for Industrial Engineering IAO, 70569 Stuttgart, Germany; (K.P.); (M.P.)
| | - Katharina Lingelbach
- Institute of Human Factors and Technology Management IAT, University of Stuttgart, 70569 Stuttgart, Germany;
- Department of Psychology, University of Oldenburg, 26129 Oldenburg, Germany
| | - Kathrin Pollmann
- Fraunhofer Institute for Industrial Engineering IAO, 70569 Stuttgart, Germany; (K.P.); (M.P.)
| | - Matthias Peissner
- Fraunhofer Institute for Industrial Engineering IAO, 70569 Stuttgart, Germany; (K.P.); (M.P.)
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8
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Jach HK, Feuerriegel D, Smillie LD. Decoding personality trait measures from resting EEG: An exploratory report. Cortex 2020; 130:158-171. [PMID: 32653745 DOI: 10.1016/j.cortex.2020.05.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 03/17/2020] [Accepted: 05/25/2020] [Indexed: 12/11/2022]
Abstract
Can personality be predicted from oscillatory patterns produced by the brain at rest? To date, relatively few studies using electroencephalography (EEG) have yielded consistent relations between personality trait measures and spectral power. Thus, new exploratory research may help develop targeted hypotheses about how neural processes associated with EEG activity may relate to personality differences. We used multivariate pattern analysis to decode personality scores (i.e., Big Five traits) from resting EEG frequency power spectra. Up to 8 minutes of EEG data was recorded per participant prior to completing an unrelated task (N = 168, Mage = 23.51, 57% female) and, in a subset of participants, after task completion (N = 96, Mage = 23.22, 52% female). In each recording, participants alternated between open and closed eyes. Linear support vector regression with 10-fold cross validation was performed using the power from 62 scalp electrodes within 1 Hz frequency bins from 1 to 30 Hz. One Big Five trait, agreeableness, could be decoded from EEG power ranging from 8 to 19 Hz, and this was consistent across all four recording periods. Neuroticism was decodable using data within the 3-6 Hz range, albeit less consistently. Posterior alpha power negatively correlated with agreeableness, whereas parietal beta power positively correlated with agreeableness. We suggest methods to draw from our results and develop targeted future hypotheses, such as linking to individual alpha frequency and incorporating self-reported emotional states. Our open dataset can be harnessed to reproduce results or investigate new research questions concerning the biological basis of personality.
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Affiliation(s)
- Hayley K Jach
- Melbourne School of Psychological Sciences, The University of Melbourne, Australia.
| | - Daniel Feuerriegel
- Melbourne School of Psychological Sciences, The University of Melbourne, Australia
| | - Luke D Smillie
- Melbourne School of Psychological Sciences, The University of Melbourne, Australia
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9
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Neural and behavioral changes driven by observationally-induced hypoalgesia. Sci Rep 2019; 9:19760. [PMID: 31874985 PMCID: PMC6930247 DOI: 10.1038/s41598-019-56188-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 12/03/2019] [Indexed: 01/19/2023] Open
Abstract
Observing successful pain treatment in others can induce anticipatory neural processes that, in turn, relieve pain. Previous studies have suggested that social learning and observation influence placebo hypoalgesia. Here, we used electroencephalography (EEG) to determine the neurophysiological changes associated with pain relief acquired through the observation. Thirty-one participants observed a demonstrator undergo painful heat stimulations paired with a "control" cream and non-painful ones paired with a "treatment" cream, which actually were both Vanicreams. After their observation, the participants then received the same creams and stimulations. We found that the treatment cream led to lower self-reported pain intensity ratings than the control cream. Anticipatory treatment cues elicited smaller P2 in electrodes F1, Fz, FC1, and FCz than the control condition. The P2 component localization indicated a higher current density in the right middle frontal gyrus, a region associated with attentional engagement. In placebo responders, the sensorimotor cortex activity captured in electrodes C3, Cz, and C4 indicated that hypoalgesia was positively correlated with resting state peak alpha frequency (PAF). These results suggest that observationally-induced placebo hypoalgesia may be driven by anticipatory mechanisms that modulate frontal attentional processes. Furthermore, resting state PAF could serve as a predictor of observationally-induced hypoalgesia.
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10
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Poortvliet PC, Tucker KJ, Finnigan S, Scott D, Hodges PW. Experimental Pain Decreases Corticomuscular Coherence in a Force- But Not a Position-Control Task. THE JOURNAL OF PAIN 2019; 20:192-200. [DOI: 10.1016/j.jpain.2018.08.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Revised: 08/09/2018] [Accepted: 08/28/2018] [Indexed: 10/28/2022]
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11
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Timing matters in elaborative processing of positive stimuli: Gamma band reactivity in schizophrenia compared to depression and healthy adults. Schizophr Res 2019; 204:111-119. [PMID: 30121184 PMCID: PMC6377351 DOI: 10.1016/j.schres.2018.08.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 03/12/2018] [Accepted: 08/08/2018] [Indexed: 11/24/2022]
Abstract
Some individuals with schizophrenia report similar feelings of positive affect "in the moment" compared to control participants but report decreased trait positive affect overall. One possible explanation for this disconnection between state and trait positive affect is the extent to which individuals with schizophrenia engage in elaborative processing of positive stimuli. To assess this, we examined evoked gamma band activity in response to positive words over several seconds in a group with schizophrenia, a group with major depressive disorder, and a healthy control group. From a pre-stimulus baseline to 2000 ms after onset of the stimulus (henceforth, "early period"), the schizophrenia group showed a reliable increase in gamma activity compared to both the control and depressed groups, who did not differ from each other. In contrast, the depressed group showed a reliable increase in gamma activity from 2001 to 8000 ms (henceforth, "late period") compared to the other groups, who did not differ from each other. At the same time, the schizophrenia group showed a reliable decrease from the early to late period while the depressed group showed the opposite pattern. In addition, self-reported depression and social anhedonia in the schizophrenia group were related to decreased gamma band activity over the entire processing window. Overall, these results suggest that schizophrenia is associated with increased initial reactivity but decreased sustained elaborative processing over time, which could be related to decreased trait positive affect. The results also highlight the importance of considering depressive symptomology and anhedonia when examining emotional abnormalities in schizophrenia.
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12
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Schneider TR, Hipp JF, Domnick C, Carl C, Büchel C, Engel AK. Modulation of neuronal oscillatory activity in the beta- and gamma-band is associated with current individual anxiety levels. Neuroimage 2018; 178:423-434. [DOI: 10.1016/j.neuroimage.2018.05.059] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 04/17/2018] [Accepted: 05/25/2018] [Indexed: 01/23/2023] Open
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13
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Hollins M, Corsi C, Sloan P. Pacinian Signals Determine the Direction and Magnitude of the Effect of Vibration on Pain. Perception 2017; 46:987-999. [PMID: 28715995 DOI: 10.1177/0301006617694630] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Although the ability of vibration to reduce pain has been extensively documented, an occasional participant reports that vibration increases pain. For pain patients, such reports may reflect pathophysiology, but this is unlikely in studies of experimental pain in healthy participants. In the present series of experiments on 27 pain-free individuals, we manipulated both the frequency (12, 50, and 80 Hz) and amplitude of vibration to more fully characterize vibratory pain modulation. The noxious stimulus was pressure applied to a finger, and vibration was delivered to the fleshy palmar pad at the base of the same finger. Subjects continuously reported pain on a Visual Analog Scale. Intermittent vibration was used to minimize peripheral vibratory adaptation. Pain records at 12 and 50 Hz were similar; pooling them revealed significant hypoalgesia at the highest amplitude. At 80 Hz, in contrast, the middle amplitude produced hypoalgesia, but a significant shift toward hyperalgesia occurred at the highest amplitude. The strong correlation ( r = .81) between the Pacinian-weighted power of a vibration and the absolute value of the pain modulation it produces indicates that the Pacinian system plays a key role in vibratory hypoalgesia or hyperalgesia.
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Affiliation(s)
- Mark Hollins
- University of North Carolina at Chapel Hill, NC, USA
| | | | - Page Sloan
- University of North Carolina at Chapel Hill, NC, USA
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14
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Yoshino A, Okamoto Y, Doi M, Okada G, Takamura M, Ichikawa N, Yamawaki S. Functional Alterations of Postcentral Gyrus Modulated by Angry Facial Expressions during Intraoral Tactile Stimuli in Patients with Burning Mouth Syndrome: A Functional Magnetic Resonance Imaging Study. Front Psychiatry 2017; 8:224. [PMID: 29163243 PMCID: PMC5681843 DOI: 10.3389/fpsyt.2017.00224] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 10/23/2017] [Indexed: 01/02/2023] Open
Abstract
Previous findings suggest that negative emotions could influence abnormal sensory perception in burning mouth syndrome (BMS). However, few studies have investigated the underlying neural mechanisms associated with BMS. We examined activation of brain regions in response to intraoral tactile stimuli when modulated by angry facial expressions. We performed functional magnetic resonance imaging on a group of 27 BMS patients and 21 age-matched healthy controls. Tactile stimuli were presented during different emotional contexts, which were induced via the continuous presentation of angry or neutral pictures of human faces. BMS patients exhibited higher tactile ratings and greater activation in the postcentral gyrus during the presentation of tactile stimuli involving angry faces relative to controls. Significant positive correlations between changes in brain activation elicited by angry facial images in the postcentral gyrus and changes in tactile rating scores by angry facial images were found for both groups. For BMS patients, there was a significant positive correlation between changes in tactile-related activation of the postcentral gyrus elicited by angry facial expressions and pain intensity in daily life. Findings suggest that neural responses in the postcentral gyrus are more strongly affected by angry facial expressions in BMS patients, which may reflect one possible mechanism underlying impaired somatosensory system function in this disorder.
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Affiliation(s)
- Atsuo Yoshino
- Department of Psychiatry and Neurosciences, Division of Frontier Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
| | - Yasumasa Okamoto
- Department of Psychiatry and Neurosciences, Division of Frontier Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
| | - Mitsuru Doi
- Department of Dental Anesthesiology, Hiroshima University, Hiroshima, Japan
| | - Go Okada
- Department of Psychiatry and Neurosciences, Division of Frontier Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
| | - Masahiro Takamura
- Department of Psychiatry and Neurosciences, Division of Frontier Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
| | - Naho Ichikawa
- Department of Psychiatry and Neurosciences, Division of Frontier Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
| | - Shigeto Yamawaki
- Department of Psychiatry and Neurosciences, Division of Frontier Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan
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15
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Fabrizi L, Verriotis M, Williams G, Lee A, Meek J, Olhede S, Fitzgerald M. Encoding of mechanical nociception differs in the adult and infant brain. Sci Rep 2016; 6:28642. [PMID: 27345331 PMCID: PMC4921818 DOI: 10.1038/srep28642] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 06/07/2016] [Indexed: 11/23/2022] Open
Abstract
Newborn human infants display robust pain behaviour and specific cortical activity following noxious skin stimulation, but it is not known whether brain processing of nociceptive information differs in infants and adults. Imaging studies have emphasised the overlap between infant and adult brain connectome architecture, but electrophysiological analysis of infant brain nociceptive networks can provide further understanding of the functional postnatal development of pain perception. Here we hypothesise that the human infant brain encodes noxious information with different neuronal patterns compared to adults. To test this we compared EEG responses to the same time-locked noxious skin lance in infants aged 0–19 days (n = 18, clinically required) and adults aged 23–48 years (n = 21). Time-frequency analysis revealed that while some features of adult nociceptive network activity are present in infants at longer latencies, including beta-gamma oscillations, infants display a distinct, long latency, noxious evoked 18-fold energy increase in the fast delta band (2–4 Hz) that is absent in adults. The differences in activity between infants and adults have a widespread topographic distribution across the brain. These data support our hypothesis and indicate important postnatal changes in the encoding of mechanical pain in the human brain.
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Affiliation(s)
- Lorenzo Fabrizi
- Department of Neuroscience, Physiology &Pharmacology, University College London, Gower Street, London WC1 E6BT, UK
| | - Madeleine Verriotis
- Department of Neuroscience, Physiology &Pharmacology, University College London, Gower Street, London WC1 E6BT, UK
| | - Gemma Williams
- Department of Neuroscience, Physiology &Pharmacology, University College London, Gower Street, London WC1 E6BT, UK
| | - Amy Lee
- Department of Neuroscience, Physiology &Pharmacology, University College London, Gower Street, London WC1 E6BT, UK
| | - Judith Meek
- Elizabeth Garrett Anderson Obstetric Wing, University College Hospital, London NW1 2BU, UK
| | - Sofia Olhede
- Department of Statistical Science, University College London, Gower Street, London WC1 E6BT, UK
| | - Maria Fitzgerald
- Department of Neuroscience, Physiology &Pharmacology, University College London, Gower Street, London WC1 E6BT, UK
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16
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Huebl J, Brücke C, Merkl A, Bajbouj M, Schneider GH, Kühn AA. Processing of emotional stimuli is reflected by modulations of beta band activity in the subgenual anterior cingulate cortex in patients with treatment resistant depression. Soc Cogn Affect Neurosci 2016; 11:1290-8. [PMID: 27013105 DOI: 10.1093/scan/nsw038] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 03/17/2016] [Indexed: 01/09/2023] Open
Abstract
Deep brain stimulation (DBS) of the subgenual anterior cingulate cortex (sgACC) has emerged as a new therapeutic option in patients with treatment resistant depression (TRD). At the same time, DBS offers a unique opportunity as an innovative research tool to study brain function in vivo Indirect measures of brain function such as positron-emission-tomography imaging findings have revealed a hypermetabolism in the sgACC area in patients with TRD that normalizes in parallel with treatment response to DBS. We used direct intracranial recordings via implanted DBS electrodes to study the neuronal oscillatory activity in the sgACC area during a picture viewing task including emotional and neutral stimuli in eight patients with TRD who underwent DBS.We found a stimulus-induced decrease in beta-band and increase in gamma-band activity, with a main effect of valence for event-related desynchronisation in the beta-frequency range (14-30 Hz). Unpleasant stimuli induced the strongest and most sustained beta-power decrease. The degree of beta-band modulation upon emotional stimuli correlated with the patients' rating of stimulus valence. Our findings confirm the involvement of the sgACC area in emotional processing that was more enhanced for unpleasant stimuli. Moreover, stimulus evaluation may be encoded by modulations of beta-band activity.
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Affiliation(s)
| | | | - Angela Merkl
- Department of Neurology Department of Psychiatry and Psychotherapy
| | | | | | - Andrea A Kühn
- Department of Neurology Mind & Brain School NeuroCure, Cluster of Excellence, Charité - University Medicine Berlin, Germany
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17
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Balz J, Keil J, Roa Romero Y, Mekle R, Schubert F, Aydin S, Ittermann B, Gallinat J, Senkowski D. GABA concentration in superior temporal sulcus predicts gamma power and perception in the sound-induced flash illusion. Neuroimage 2016; 125:724-730. [DOI: 10.1016/j.neuroimage.2015.10.087] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Revised: 10/30/2015] [Accepted: 10/31/2015] [Indexed: 10/22/2022] Open
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18
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Gopalakrishnan R, Burgess RC, Plow EB, Floden DP, Machado AG. A magnetoencephalography study of multi-modal processing of pain anticipation in primary sensory cortices. Neuroscience 2015. [PMID: 26210576 DOI: 10.1016/j.neuroscience.2015.07.049] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Pain anticipation plays a critical role in pain chronification and results in disability due to pain avoidance. It is important to understand how different sensory modalities (auditory, visual or tactile) may influence pain anticipation as different strategies could be applied to mitigate anticipatory phenomena and chronification. In this study, using a countdown paradigm, we evaluated with magnetoencephalography the neural networks associated with pain anticipation elicited by different sensory modalities in normal volunteers. When encountered with well-established cues that signaled pain, visual and somatosensory cortices engaged the pain neuromatrix areas early during the countdown process, whereas the auditory cortex displayed delayed processing. In addition, during pain anticipation, the visual cortex displayed independent processing capabilities after learning the contextual meaning of cues from associative and limbic areas. Interestingly, cross-modal activation was also evident and strong when visual and tactile cues signaled upcoming pain. Dorsolateral prefrontal cortex and mid-cingulate cortex showed significant activity during pain anticipation regardless of modality. Our results show pain anticipation is processed with great time efficiency by a highly specialized and hierarchical network. The highest degree of higher-order processing is modulated by context (pain) rather than content (modality) and rests within the associative limbic regions, corroborating their intrinsic role in chronification.
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Affiliation(s)
- R Gopalakrishnan
- Center for Neurological Restoration, Neurological Institute, Cleveland Clinic, Cleveland, OH 44195, USA.
| | - R C Burgess
- Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - E B Plow
- Department of Biomedical Engineering, Cleveland Clinic, Cleveland, OH 44195, USA
| | - D P Floden
- Center for Neurological Restoration, Neurological Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - A G Machado
- Center for Neurological Restoration, Neurological Institute, Cleveland Clinic, Cleveland, OH 44195, USA
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19
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Hauck M, Domnick C, Lorenz J, Gerloff C, Engel AK. Top-down and bottom-up modulation of pain-induced oscillations. Front Hum Neurosci 2015; 9:375. [PMID: 26190991 PMCID: PMC4488623 DOI: 10.3389/fnhum.2015.00375] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 06/15/2015] [Indexed: 11/17/2022] Open
Abstract
Attention is an important factor that is able to strongly modulate the experience of pain. In order to differentiate cortical mechanisms underlying subject-driven (i.e., top-down) and stimulus-driven (bottom-up) modes of attentional pain modulation, we recorded electric brain activity in healthy volunteers during painful laser stimulation while spatial attention and stimulus intensity were systematically varied. The subjects’ task was to evaluate the pain intensity at the attended finger, while ignoring laser stimuli delivered to the other finger. Top-down (attention) and bottom up (intensity) influences differed in their effects on oscillatory response components. Attention towards pain induced a decrease in alpha and an increase in gamma band power, localized in the insula. Pain intensity modulated delta, alpha, beta and gamma band power. Source localization revealed stimulus driven modulation in the cingulate gyrus (CG) and somatosensory areas for gamma power changes. Our results indicate that bottom-up and top-down modes of processing exert different effects on pain-induced slow and fast oscillatory activities. Future studies may examine pain-induced oscillations using this paradigm to test for altered attentional pain control in patients with chronic pain.
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Affiliation(s)
- Michael Hauck
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf Hamburg, Germany ; Department of Neurology, University Medical Center Hamburg-Eppendorf Hamburg, Germany
| | - Claudia Domnick
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf Hamburg, Germany
| | - Jürgen Lorenz
- Faculty of Life Science, Laboratory of Human Biology and Physiology, Applied Science University Hamburg, Germany
| | - Christian Gerloff
- Department of Neurology, University Medical Center Hamburg-Eppendorf Hamburg, Germany
| | - Andreas K Engel
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf Hamburg, Germany
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20
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Anticipation of electric shocks modulates low beta power and event-related fields during memory encoding. Neurobiol Learn Mem 2015; 123:196-204. [PMID: 26119254 DOI: 10.1016/j.nlm.2015.06.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 06/16/2015] [Accepted: 06/17/2015] [Indexed: 11/20/2022]
Abstract
In humans, the temporal and oscillatory dynamics of pain anticipation and its effects on long-term memory are largely unknown. Here, we investigated this open question by using a previously established behavioral paradigm in combination with magnetoencephalography (MEG). Healthy human subjects encoded a series of scene images, which was combined with cues predicting an aversive electric shock with different probabilities (0.2, 0.5 or 0.8). After encoding, memory for the studied images was tested using a remember/know recognition task. Behaviorally, pain anticipation did not modulate recollection-based recognition memory per se, but interacted with the perceived unpleasantness of the electric shock [visual analogue scale rating from 1 (not unpleasant) to 10 (highly unpleasant)]. More precisely, the relationship between pain anticipation and recollection followed an inverted u-shaped function the more unpleasant the shocks were rated by a subject. At the physiological level, this quadratic effect was mimicked in the event-related magnetic fields associated with successful memory formation ('DM-effect') ∼450ms after image onset at left frontal sensors. Importantly, across all subjects, shock anticipation modulated oscillatory power in the low beta frequency range (13-20Hz) in a linear fashion at left temporal sensors. Taken together, our findings indicate that beta oscillations provide a generic mechanism underlying pain anticipation; the effect on subsequent long-term memory, on the other hand, is much more variable and depends on the level of individual pain perception. As such, our findings give new and important insights into how aversive motivational states can drive memory formation.
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21
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Merkl A, Neumann WJ, Huebl J, Aust S, Horn A, Krauss JK, Dziobek I, Kuhn J, Schneider GH, Bajbouj M, Kühn AA. Modulation of Beta-Band Activity in the Subgenual Anterior Cingulate Cortex during Emotional Empathy in Treatment-Resistant Depression. Cereb Cortex 2015; 26:2626-38. [PMID: 25994959 DOI: 10.1093/cercor/bhv100] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Deep brain stimulation (DBS) is a promising approach in treatment-resistant depression (TRD). TRD is associated with problems in interpersonal relationships, which might be linked to impaired empathy. Here, we investigate the influence of DBS in the subgenual anterior cingulate cortex (sgACC) on empathy in patients with TRD and explore the pattern of oscillatory sgACC activity during performance of the multifaceted empathy test. We recorded local field potential activity directly from sgACC via DBS electrodes in patients. Based on previous behavioral findings, we expected disrupted empathy networks. Patients showed increased empathic involvement ratings toward negative stimuli as compared with healthy subjects that were significantly reduced after 6 months of DBS. Stimulus-related oscillatory activity pattern revealed a broad desynchronization in the beta (14-35 Hz) band that was significantly larger during patients' reported emotional empathy for negative stimuli than when patients reported to have no empathy. Beta desynchronization for empathic involvement correlated with self-reported severity of depression. Our results indicate a "negativity bias" in patients that can be reduced by DBS. Moreover, direct recordings show activation of the sgACC area during emotional processing and propose that changes in beta-band oscillatory activity in the sgACC might index empathic involvement of negative emotion in TRD.
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Affiliation(s)
- Angela Merkl
- Department of Neurology Department of Psychiatry and Psychotherapy, Campus Benjamin Franklin
| | | | | | - Sabine Aust
- Department of Psychiatry and Psychotherapy, Campus Benjamin Franklin
| | | | - Joachim K Krauss
- Department of Neurosurgery, Medizinische Hochschule Hannover, Germany
| | | | - Jens Kuhn
- Centre of Psychiatry, Medical School Cologne, Germany
| | - Gerd-Helge Schneider
- Department of Neurosurgery, Charité, University Medicine Berlin, Campus Virchow Klinikum, Berlin, Germany
| | - Malek Bajbouj
- Department of Psychiatry and Psychotherapy, Campus Benjamin Franklin
| | - Andrea A Kühn
- Department of Neurology Berlin School of Mind and Brain NeuroCure, Charité, University Medicine Berlin, Berlin, Germany
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22
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Singh H, Bauer M, Chowanski W, Sui Y, Atkinson D, Baurley S, Fry M, Evans J, Bianchi-Berthouze N. The brain's response to pleasant touch: an EEG investigation of tactile caressing. Front Hum Neurosci 2014; 8:893. [PMID: 25426047 PMCID: PMC4226147 DOI: 10.3389/fnhum.2014.00893] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 10/17/2014] [Indexed: 11/13/2022] Open
Abstract
Somatosensation as a proximal sense can have a strong impact on our attitude toward physical objects and other human beings. However, relatively little is known about how hedonic valence of touch is processed at the cortical level. Here we investigated the electrophysiological correlates of affective tactile sensation during caressing of the right forearm with pleasant and unpleasant textile fabrics. We show dissociation between more physically driven differential brain responses to the different fabrics in early somatosensory cortex - the well-known mu-suppression (10-20 Hz) - and a beta-band response (25-30 Hz) in presumably higher-order somatosensory areas in the right hemisphere that correlated well with the subjective valence of tactile caressing. Importantly, when using single trial classification techniques, beta-power significantly distinguished between pleasant and unpleasant stimulation on a single trial basis with high accuracy. Our results therefore suggest a dissociation of the sensory and affective aspects of touch in the somatosensory system and may provide features that may be used for single trial decoding of affective mental states from simple electroencephalographic measurements.
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Affiliation(s)
- Harsimrat Singh
- UCL Interaction Centre, University College London London, UK ; School of Engineering and Design, Brunel University London, UK ; Department of Medical Physics and Bioengineering, University College London London, UK
| | - Markus Bauer
- School of Psychology, University of Nottingham Nottingham, UK
| | | | - Yi Sui
- UCL Interaction Centre, University College London London, UK
| | - Douglas Atkinson
- London College of Fashion, University of the Arts London London, UK
| | - Sharon Baurley
- School of Engineering and Design, Brunel University London, UK
| | - Martin Fry
- Department of Medical Physics and Bioengineering, University College London London, UK
| | - Joe Evans
- Department of Medical Physics and Bioengineering, University College London London, UK
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23
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Riečanský I, Paul N, Kölble S, Stieger S, Lamm C. Beta oscillations reveal ethnicity ingroup bias in sensorimotor resonance to pain of others. Soc Cogn Affect Neurosci 2014; 10:893-901. [PMID: 25344947 DOI: 10.1093/scan/nsu139] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Accepted: 10/20/2014] [Indexed: 12/30/2022] Open
Abstract
People evaluate members of their own social group more favorably and empathize more strongly with their ingroup members. Using electroencephalography (EEG), we explored whether resonant responses of sensorimotor cortex to the pain of others are modulated by the ethnicity of these others. White participants watched video clips of ethnic ingroup and outgroup hands, being either penetrated by a needle syringe or touched by a cotton swab, while EEG was recorded. Time-frequency analysis was applied to Laplacian-transformed signals from the sensors overlying sensorimotor cortex in order to assess event-related desynchronization and synchronization (ERD/ERS) of sensorimotor mu (7-12 Hz) and beta (13-30 Hz) rhythms. When watching needle injections, beta ERD was significantly stronger for ingroup compared with outgroup hands. This ethnicity bias was restricted to painful actions, as beta ERD for ingroup and outgroup hands neither differed when observing no-pain videos, nor during presentation of the hands without any treatment. Such vicarious sensorimotor activation could play a role in social interaction by enhancing the understanding of the feelings and reactions of others and hence facilitating behavioral coordination among group members.
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Affiliation(s)
- Igor Riečanský
- Social, Cognitive and Affective Neuroscience Unit, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, Laboratory of Cognitive Neuroscience, Institute of Normal and Pathological Physiology, CE NOREG, Slovak Academy of Sciences, Bratislava, Slovakia, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, and Research Methods, Assessment, and iScience, Department of Psychology, University of Konstanz, Konstanz, Germany Social, Cognitive and Affective Neuroscience Unit, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, Laboratory of Cognitive Neuroscience, Institute of Normal and Pathological Physiology, CE NOREG, Slovak Academy of Sciences, Bratislava, Slovakia, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, and Research Methods, Assessment, and iScience, Department of Psychology, University of Konstanz, Konstanz, Germany
| | - Nina Paul
- Social, Cognitive and Affective Neuroscience Unit, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, Laboratory of Cognitive Neuroscience, Institute of Normal and Pathological Physiology, CE NOREG, Slovak Academy of Sciences, Bratislava, Slovakia, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, and Research Methods, Assessment, and iScience, Department of Psychology, University of Konstanz, Konstanz, Germany
| | - Sarah Kölble
- Social, Cognitive and Affective Neuroscience Unit, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, Laboratory of Cognitive Neuroscience, Institute of Normal and Pathological Physiology, CE NOREG, Slovak Academy of Sciences, Bratislava, Slovakia, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, and Research Methods, Assessment, and iScience, Department of Psychology, University of Konstanz, Konstanz, Germany
| | - Stefan Stieger
- Social, Cognitive and Affective Neuroscience Unit, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, Laboratory of Cognitive Neuroscience, Institute of Normal and Pathological Physiology, CE NOREG, Slovak Academy of Sciences, Bratislava, Slovakia, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, and Research Methods, Assessment, and iScience, Department of Psychology, University of Konstanz, Konstanz, Germany Social, Cognitive and Affective Neuroscience Unit, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, Laboratory of Cognitive Neuroscience, Institute of Normal and Pathological Physiology, CE NOREG, Slovak Academy of Sciences, Bratislava, Slovakia, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, and Research Methods, Assessment, and iScience, Department of Psychology, University of Konstanz, Konstanz, Germany
| | - Claus Lamm
- Social, Cognitive and Affective Neuroscience Unit, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, Laboratory of Cognitive Neuroscience, Institute of Normal and Pathological Physiology, CE NOREG, Slovak Academy of Sciences, Bratislava, Slovakia, Department of Basic Psychological Research and Research Methods, Faculty of Psychology, University of Vienna, Vienna, Austria, and Research Methods, Assessment, and iScience, Department of Psychology, University of Konstanz, Konstanz, Germany
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24
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Wieser MJ, Gerdes ABM, Reicherts P, Pauli P. Mutual influences of pain and emotional face processing. Front Psychol 2014; 5:1160. [PMID: 25352817 PMCID: PMC4195272 DOI: 10.3389/fpsyg.2014.01160] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Accepted: 09/24/2014] [Indexed: 12/19/2022] Open
Abstract
The perception of unpleasant stimuli enhances whereas the perception of pleasant stimuli decreases pain perception. In contrast, the effects of pain on the processing of emotional stimuli are much less known. Especially given the recent interest in facial expressions of pain as a special category of emotional stimuli, a main topic in this research line is the mutual influence of pain and facial expression processing. Therefore, in this mini-review we selectively summarize research on the effects of emotional stimuli on pain, but more extensively turn to the opposite direction namely how pain influences concurrent processing of affective stimuli such as facial expressions. Based on the motivational priming theory one may hypothesize that the perception of pain enhances the processing of unpleasant stimuli and decreases the processing of pleasant stimuli. This review reveals that the literature is only partly consistent with this assumption: pain reduces the processing of pleasant pictures and happy facial expressions, but does not - or only partly - affect processing of unpleasant pictures. However, it was demonstrated that pain selectively enhances the processing of facial expressions if these are pain-related (i.e., facial expressions of pain). Extending a mere affective modulation theory, the latter results suggest pain-specific effects which may be explained by the perception-action model of empathy. Together, these results underscore the important mutual influence of pain and emotional face processing.
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Affiliation(s)
| | - Antje B M Gerdes
- Department of Psychology, University of Mannheim Mannheim, Germany
| | | | - Paul Pauli
- Department of Psychology, University of Würzburg Würzburg, Germany
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25
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Stress-induced hyperalgesia. Prog Neurobiol 2014; 121:1-18. [DOI: 10.1016/j.pneurobio.2014.06.003] [Citation(s) in RCA: 159] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2014] [Revised: 05/17/2014] [Accepted: 06/29/2014] [Indexed: 12/25/2022]
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Osumi M, Imai R, Ueta K, Nobusako S, Morioka S. Negative body image associated with changes in the visual body appearance increases pain perception. PLoS One 2014; 9:e107376. [PMID: 25210738 PMCID: PMC4161431 DOI: 10.1371/journal.pone.0107376] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2014] [Accepted: 08/15/2014] [Indexed: 01/19/2023] Open
Abstract
Changing the visual body appearance by use of as virtual reality system, funny mirror, or binocular glasses has been reported to be helpful in rehabilitation of pain. However, there are interindividual differences in the analgesic effect of changing the visual body image. We hypothesized that a negative body image associated with changing the visual body appearance causes interindividual differences in the analgesic effect although the relationship between the visual body appearance and analgesic effect has not been clarified. We investigated whether a negative body image associated with changes in the visual body appearance increased pain. Twenty-five healthy individuals participated in this study. To evoke a negative body image, we applied the method of rubber hand illusion. We created an “injured rubber hand” to evoke unpleasantness associated with pain, a “hairy rubber hand” to evoke unpleasantness associated with embarrassment, and a “twisted rubber hand” to evoke unpleasantness associated with deviation from the concept of normality. We also created a “normal rubber hand” as a control. The pain threshold was measured while the participant observed the rubber hand using a device that measured pain caused by thermal stimuli. Body ownership experiences were elicited by observation of the injured rubber hand and hairy rubber hand as well as the normal rubber hand. Participants felt more unpleasantness by observing the injured rubber hand and hairy rubber hand than the normal rubber hand and twisted rubber hand (p<0.001). The pain threshold was lower under the injured rubber hand condition than with the other conditions (p<0.001). We conclude that a negative body appearance associated with pain can increase pain sensitivity.
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Affiliation(s)
- Michihiro Osumi
- Department of Neurorehabilitation, Graduate School of Health Science, Kio University, Nara, Japan
- Neurocognitive Rehabilitation Center, Setsunan General Hospital, Osaka, Japan
- * E-mail:
| | - Ryota Imai
- Department of Neurorehabilitation, Graduate School of Health Science, Kio University, Nara, Japan
| | - Kozo Ueta
- Department of Neurorehabilitation, Graduate School of Health Science, Kio University, Nara, Japan
| | - Satoshi Nobusako
- Department of Neurorehabilitation, Graduate School of Health Science, Kio University, Nara, Japan
| | - Shu Morioka
- Department of Neurorehabilitation, Graduate School of Health Science, Kio University, Nara, Japan
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27
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[The mutual influence of pain and emotion processing]. Schmerz 2014; 28:631-4. [PMID: 25179417 DOI: 10.1007/s00482-014-1481-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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28
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Abstract
BACKGROUND Contextual factors, including the gender of researchers, influence experimental and patient pain reports. It is currently not known how social stimuli influence pain percepts, nor which types of sensory modalities of communication, such as auditory, visual or olfactory cues associated with person perception and gender processing, produce these effects. OBJECTIVES To determine whether exposure to two forms of social stimuli (audio and visual) from a virtual male or female stranger modulates cold pressor task (CPT) pain reports. METHODS Participants with similar demographic characteristics conducted a CPT in solitude, without the physical presence of an experimenter or another person. During the CPT, participants were exposed to the voice and image of a virtual male or female stranger. The voices had analogous vocal prosody, provided no semantic information (spoken in a foreign language) and differed only in pitch; the images depicted a middle-age male or female health care practitioner. RESULTS Male participants, but not females, showed higher CPT pain intensity when they were exposed to the female stimuli compared with the male stimuli. Follow-up analyses showed that the association between the social stimuli and variability in pain sensitivity was not moderated by individual differences in subjective (eg, self-image) or objective measurements of one's physical stature. DISCUSSION The findings show that exposure to virtual, gender-based auditory and visual social stimuli influences exogenous pain sensitivity. CONCLUSION Further research on how contextual factors, such as the vocal properties of health care examiners and exposure to background voices, may influence momentary pain perception is necessary for creating more standardized methods for measuring patient pain reports in clinical settings.
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29
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Mühl C, Allison B, Nijholt A, Chanel G. A survey of affective brain computer interfaces: principles, state-of-the-art, and challenges. BRAIN-COMPUTER INTERFACES 2014. [DOI: 10.1080/2326263x.2014.912881] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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30
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Güntekin B, Başar E. A review of brain oscillations in perception of faces and emotional pictures. Neuropsychologia 2014; 58:33-51. [PMID: 24709570 DOI: 10.1016/j.neuropsychologia.2014.03.014] [Citation(s) in RCA: 156] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Revised: 03/07/2014] [Accepted: 03/26/2014] [Indexed: 02/07/2023]
Affiliation(s)
- Bahar Güntekin
- Brain Dynamics, Cognition and Complex Systems Research Center, Istanbul Kültür University, Istanbul 34156, Turkey.
| | - Erol Başar
- Brain Dynamics, Cognition and Complex Systems Research Center, Istanbul Kültür University, Istanbul 34156, Turkey
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31
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Crossmodal shaping of pain: a multisensory approach to nociception. Trends Cogn Sci 2014; 18:319-27. [PMID: 24751359 DOI: 10.1016/j.tics.2014.03.005] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2013] [Revised: 02/21/2014] [Accepted: 03/06/2014] [Indexed: 12/27/2022]
Abstract
Noxious stimuli in our environment are often accompanied by input from other sensory modalities that can affect the processing of these stimuli and the perception of pain. Stimuli from these other modalities may distract us from pain and reduce its perceived strength. Alternatively, they can enhance the saliency of the painful input, leading to an increased pain experience. We discuss factors that influence the crossmodal shaping of pain and highlight the important role of innocuous stimuli in peripersonal space. We propose that frequency-specific modulations in local oscillatory power and in long-range functional connectivity may serve as neural mechanisms underlying the crossmodal shaping of pain. Finally, we provide an outlook on future directions and clinical implications of this promising research field.
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32
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Valentini E, Martini M, Lee M, Aglioti SM, Iannetti G. Seeing facial expressions enhances placebo analgesia. Pain 2014; 155:666-673. [DOI: 10.1016/j.pain.2013.11.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2012] [Revised: 11/25/2013] [Accepted: 11/26/2013] [Indexed: 10/25/2022]
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33
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Headley DB, Paré D. In sync: gamma oscillations and emotional memory. Front Behav Neurosci 2013; 7:170. [PMID: 24319416 PMCID: PMC3836200 DOI: 10.3389/fnbeh.2013.00170] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Accepted: 11/03/2013] [Indexed: 11/26/2022] Open
Abstract
Emotional experiences leave vivid memories that can last a lifetime. The emotional facilitation of memory has been attributed to the engagement of diffusely projecting neuromodulatory systems that enhance the consolidation of synaptic plasticity in regions activated by the experience. This process requires the propagation of signals between brain regions, and for those signals to induce long-lasting synaptic plasticity. Both of these demands are met by gamma oscillations, which reflect synchronous population activity on a fast timescale (35-120 Hz). Regions known to participate in the formation of emotional memories, such as the basolateral amygdala, also promote gamma-band activation throughout cortical and subcortical circuits. Recent studies have demonstrated that gamma oscillations are enhanced during emotional situations, coherent between regions engaged by salient stimuli, and predict subsequent memory for cues associated with aversive stimuli. Furthermore, neutral stimuli that come to predict emotional events develop enhanced gamma oscillations, reflecting altered processing in the brain, which may underpin how past emotional experiences color future learning and memory.
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Affiliation(s)
- Drew B. Headley
- Center for Molecular and Behavioral Neuroscience, Rutgers, The State University of New JerseyNewark, NJ, USA
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34
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Senkowski D, Pomper U, Fitzner I, Engel AK, Kral A. Beta-band activity in auditory pathways reflects speech localization and recognition in bilateral cochlear implant users. Hum Brain Mapp 2013; 35:3107-21. [PMID: 24123535 DOI: 10.1002/hbm.22388] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Revised: 07/12/2013] [Accepted: 07/22/2013] [Indexed: 11/07/2022] Open
Abstract
In normal-hearing listeners, localization of auditory speech involves stimulus processing in the postero-dorsal pathway of the auditory system. In quiet environments, bilateral cochlear implant (CI) users show high speech recognition performance, but localization of auditory speech is poor, especially when discriminating stimuli from the same hemifield. Whether this difficulty relates to the inability of the auditory system to translate binaural electrical cues into neural signals, or to a functional reorganization of auditory cortical pathways following long periods of binaural deprivation is unknown. In this electroencephalography study, we examined the processing of auditory syllables in postlingually deaf adults with bilateral CIs and in normal-hearing adults. Participants were instructed to either recognize ("recognition" task) or localize ("localization" task) the syllables. The analysis focused on event-related potentials and oscillatory brain responses. N1 amplitudes in CI users were larger in the localization compared with recognition task, suggesting an enhanced stimulus processing effort in the localization task. Linear beamforming of oscillatory activity in CI users revealed stronger suppression of beta-band activity after 200 ms in the postero-dorsal auditory pathway for the localization compared with the recognition task. In normal-hearing adults, effects for longer latency event-related potentials were found, but no effects were observed for N1 amplitudes or beta-band responses. Our study suggests that difficulties in speech localization in bilateral CI users are not reflected in a functional reorganization of cortical auditory pathways. New signal processing strategies of cochlear devices preserving unambiguous binaural cues may improve auditory localization performance in bilateral CI users.
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Affiliation(s)
- Daniel Senkowski
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, Hamburg, Germany; Department of Psychiatry and Psychotherapy Charité-Universitätsmedizin, Berlin, St. Hedwig Hospital, Große Hamburger Str. 5-11, Berlin, Germany
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35
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36
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Höfle M, Pomper U, Hauck M, Engel AK, Senkowski D. Spectral signatures of viewing a needle approaching one's body when anticipating pain. Eur J Neurosci 2013; 38:3089-98. [PMID: 23859421 DOI: 10.1111/ejn.12304] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2013] [Revised: 06/03/2013] [Accepted: 06/10/2013] [Indexed: 11/29/2022]
Abstract
When viewing the needle of a syringe approaching your skin, anticipation of a painful prick may lead to increased arousal. How this anticipation is reflected in neural oscillatory activity and how it relates to activity within the autonomic nervous system is thus far unknown. Recently, we found that viewing needle pricks compared with Q-tip touches increases the pupil dilation response (PDR) and perceived unpleasantness of electrical stimuli. Here, we used high-density electroencephalography to investigate whether anticipatory oscillatory activity predicts the unpleasantness of electrical stimuli and PDR while viewing a needle approaching a hand that is perceived as one's own. We presented video clips of needle pricks and Q-tip touches, and delivered spatiotemporally aligned painful and nonpainful intracutaneous electrical stimuli. The perceived unpleasantness of electrical stimuli and the PDR were enhanced when participants viewed needle pricks compared with Q-tip touches. Source reconstruction using linear beamforming revealed reduced alpha-band activity in the posterior cingulate cortex (PCC) and fusiform gyrus before the onset of electrical stimuli when participants viewed needle pricks compared with Q-tip touches. Moreover, alpha-band activity in the PCC predicted PDR on a single trial level. The anticipatory reduction of alpha-band activity in the PCC may reflect a neural mechanism that serves to protect the body from forthcoming harm by facilitating the preparation of adequate defense responses.
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Affiliation(s)
- Marion Höfle
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany. ,Department of Psychiatry and Psychotherapy, St. Hedwig Hospital, Charité - Universitätsmedizin Berlin, St Hedwig Hospital, Berlin, Germany
| | - Ulrich Pomper
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Department of Psychiatry and Psychotherapy, St. Hedwig Hospital, Charité - Universitätsmedizin Berlin, St Hedwig Hospital, Berlin, Germany
| | - Michael Hauck
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Andreas K Engel
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Daniel Senkowski
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Department of Psychiatry and Psychotherapy, St. Hedwig Hospital, Charité - Universitätsmedizin Berlin, St Hedwig Hospital, Berlin, Germany
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Cooper NR, Simpson A, Till A, Simmons K, Puzzo I. Beta event-related desynchronization as an index of individual differences in processing human facial expression: further investigations of autistic traits in typically developing adults. Front Hum Neurosci 2013; 7:159. [PMID: 23630489 PMCID: PMC3635089 DOI: 10.3389/fnhum.2013.00159] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2013] [Accepted: 04/10/2013] [Indexed: 11/13/2022] Open
Abstract
The human mirror neuron system (hMNS) has been associated with various forms of social cognition and affective processing including vicarious experience. It has also been proposed that a faulty hMNS may underlie some of the deficits seen in the autism spectrum disorders (ASDs). In the present study we set out to investigate whether emotional facial expressions could modulate a putative EEG index of hMNS activation (mu suppression) and if so, would this differ according to the individual level of autistic traits [high versus low Autism Spectrum Quotient (AQ) score]. Participants were presented with 3 s films of actors opening and closing their hands (classic hMNS mu-suppression protocol) while simultaneously wearing happy, angry, or neutral expressions. Mu-suppression was measured in the alpha and low beta bands. The low AQ group displayed greater low beta event-related desynchronization (ERD) to both angry and neutral expressions. The high AQ group displayed greater low beta ERD to angry than to happy expressions. There was also significantly more low beta ERD to happy faces for the low than for the high AQ group. In conclusion, an interesting interaction between AQ group and emotional expression revealed that hMNS activation can be modulated by emotional facial expressions and that this is differentiated according to individual differences in the level of autistic traits. The EEG index of hMNS activation (mu suppression) seems to be a sensitive measure of the variability in facial processing in typically developing individuals with high and low self-reported traits of autism.
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Affiliation(s)
- Nicholas R Cooper
- Centre for Brain Science, Department of Psychology, University of Essex Colchester, UK
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Reicherts P, Gerdes ABM, Pauli P, Wieser MJ. On the mutual effects of pain and emotion: facial pain expressions enhance pain perception and vice versa are perceived as more arousing when feeling pain. Pain 2013; 154:793-800. [PMID: 23541426 DOI: 10.1016/j.pain.2013.02.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2012] [Revised: 12/15/2012] [Accepted: 02/05/2013] [Indexed: 11/17/2022]
Abstract
Perception of emotional stimuli alters the perception of pain. Although facial expressions are powerful emotional cues - the expression of pain especially plays a crucial role for the experience and communication of pain - research on their influence on pain perception is scarce. In addition, the opposite effect of pain on the processing of emotion has been elucidated even less. To further scrutinize mutual influences of emotion and pain, 22 participants were administered painful and nonpainful thermal stimuli while watching dynamic facial expressions depicting joy, fear, pain, and a neutral expression. As a control condition of low visual complexity, a central fixation cross was presented. Participants rated the intensity of the thermal stimuli and evaluated valence and arousal of the facial expressions. In addition, facial electromyography was recorded as an index of emotion and pain perception. Results show that faces per se, compared to the low-level control condition, decreased pain, suggesting a general attention modulation of pain by complex (social) stimuli. The facial response to painful stimulation revealed a significant correlation with pain intensity ratings. Most important, painful thermal stimuli increased the arousal of simultaneously presented pain expressions, and in turn, pain expressions resulted in higher pain ratings compared to all other facial expressions. These findings demonstrate that the modulation of pain and emotion is bidirectional with pain faces being mostly prone to having mutual influences, and support the view of interconnections between pain and emotion. Furthermore, the special relevance of pain faces for the processing of pain was demonstrated.
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Affiliation(s)
- Philipp Reicherts
- Department of Psychology, Clinical Psychology, Biological Psychology, and Psychotherapy, University of Würzburg, Germany
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Abstract
There is inconsistent evidence as to whether angry faces evoke approach or avoidance tendencies. The present research sought to resolve this debate. We suggest that approach–avoidance movements can serve various goals (e.g., affiliation, aggression). Furthermore, we assume that these goals determine the effect of angry faces on approach–avoidance tendencies. In particular, angry faces communicate aggressive intentions and may therefore evoke aggressive tendencies in the perceiver. Thus, angry faces should trigger approach only when it serves aggression but not when it serves affiliation. Three studies showed that angry faces facilitated approach, when the behavior was represented as aggressive approach, but not when it was represented as peaceful approach. Furthermore, when approach was represented as peaceful approach and, hence, aggression was not an available option, angry faces facilitated avoidance. In sum, angry faces can evoke approach or avoidance, depending on the goals associated with these behaviors.
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Affiliation(s)
- Regina Krieglmeyer
- Department of Psychology, University of California, Davis, CA, USA
- Department of Psychology, University of Würzburg, Germany
| | - Roland Deutsch
- Department of Psychology, Technische Universität Dresden, Germany
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Schepers IM, Schneider TR, Hipp JF, Engel AK, Senkowski D. Noise alters beta-band activity in superior temporal cortex during audiovisual speech processing. Neuroimage 2012; 70:101-12. [PMID: 23274182 DOI: 10.1016/j.neuroimage.2012.11.066] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Revised: 11/13/2012] [Accepted: 11/21/2012] [Indexed: 10/27/2022] Open
Abstract
Speech recognition is improved when complementary visual information is available, especially under noisy acoustic conditions. Functional neuroimaging studies have suggested that the superior temporal sulcus (STS) plays an important role for this improvement. The spectrotemporal dynamics underlying audiovisual speech processing in the STS, and how these dynamics are affected by auditory noise, are not well understood. Using electroencephalography, we investigated how auditory noise affects audiovisual speech processing in event-related potentials (ERPs) and oscillatory activity. Spoken syllables were presented in audiovisual (AV) and auditory only (A) trials at three different auditory noise levels (no, low, and high). Responses to A stimuli were subtracted from responses to AV stimuli, separately for each noise level, and these responses were subjected to the statistical analysis. Central ERPs differed between the no noise and the two noise conditions from 130 to 150 ms and 170 to 210 ms after auditory stimulus onset. Source localization using the local autoregressive average procedure revealed an involvement of the lateral temporal lobe, encompassing the superior and middle temporal gyrus. Neuronal activity in the beta-band (16 to 32 Hz) was suppressed at central channels around 100 to 400 ms after auditory stimulus onset in the averaged AV minus A signal over the three noise levels. This suppression was smaller in the high noise compared to the no noise and low noise condition, possibly reflecting disturbed recognition or altered processing of multisensory speech stimuli. Source analysis of the beta-band effect using linear beamforming demonstrated an involvement of the STS. Our study shows that auditory noise alters audiovisual speech processing in ERPs localized to lateral temporal lobe and provides evidence that beta-band activity in the STS plays a role for audiovisual speech processing under regular and noisy acoustic conditions.
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Affiliation(s)
- Inga M Schepers
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany.
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Mancini F, Longo MR, Canzoneri E, Vallar G, Haggard P. Changes in cortical oscillations linked to multisensory modulation of nociception. Eur J Neurosci 2012; 37:768-76. [DOI: 10.1111/ejn.12080] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2012] [Revised: 10/18/2012] [Accepted: 11/05/2012] [Indexed: 11/28/2022]
Affiliation(s)
- Flavia Mancini
- Institute of Cognitive Neuroscience; University College London; London; UK
| | - Matthew R. Longo
- Department of Psychological Sciences; Birkbeck College; University of London; London; UK
| | | | | | - Patrick Haggard
- Institute of Cognitive Neuroscience; University College London; London; UK
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Asghar AUR, Johnson RL, Woods W, Green GGR, Lewith G, Macpherson H. Oscillatory neuronal dynamics associated with manual acupuncture: a magnetoencephalography study using beamforming analysis. Front Hum Neurosci 2012; 6:303. [PMID: 23248594 PMCID: PMC3522113 DOI: 10.3389/fnhum.2012.00303] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Accepted: 10/19/2012] [Indexed: 11/13/2022] Open
Abstract
Magnetoencephalography (MEG) enables non-invasive recording of neuronal activity, with reconstruction methods providing estimates of underlying brain source locations and oscillatory dynamics from externally recorded neuromagnetic fields. The aim of our study was to use MEG to determine the effect of manual acupuncture on neuronal oscillatory dynamics. A major problem in MEG investigations of manual acupuncture is the absence of onset times for each needle manipulation. Given that beamforming (spatial filtering) analysis is not dependent upon stimulus-driven responses being phase-locked to stimulus onset, we postulated that beamforming could reveal source locations and induced changes in neuronal activity during manual acupuncture. In a beamformer analysis, a two-minute period of manual acupuncture needle manipulation delivered to the ipsilateral right LI-4 (Hegu) acupoint was contrasted with a two-minute baseline period. We considered oscillatory power changes in the theta (4-8 Hz), alpha (8-13 Hz), beta (13-30 Hz), and gamma (30-100 Hz) frequency bands. We found significant decreases in beta band power in the contralateral primary somatosensory cortex and superior frontal gyrus (SFG). In the ipsilateral cerebral hemisphere, we found significant power decreases in beta and gamma frequency bands in only the SFG. No significant power modulations were found in theta and alpha bands. Our results indicate that beamforming is a useful analytical tool to reconstruct underlying neuronal activity associated with manual acupuncture. Our main finding was of beta power decreases in primary somatosensory cortex and SFG, which opens up a line of future investigation regarding whether this contributes toward an underlying mechanism of acupuncture.
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Affiliation(s)
- Aziz U R Asghar
- Hull York Medical School, University of Hull Hull, UK ; York Neuroimaging Centre, University of York, The Biocentre, York Science Park York, UK
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Pomper U, Höfle M, Hauck M, Kathmann N, Engel AK, Senkowski D. Crossmodal bias of visual input on pain perception and pain-induced beta activity. Neuroimage 2012; 66:469-78. [PMID: 23110881 DOI: 10.1016/j.neuroimage.2012.10.040] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Revised: 10/02/2012] [Accepted: 10/04/2012] [Indexed: 12/23/2022] Open
Abstract
In our environment, acute pain is often accompanied by input from other sensory modalities, like visual stimuli, which can facilitate pain processing. To date, it is not well understood how these inputs influence the perception and processing of pain. Previous studies on integrative processing between sensory modalities other than pain have shown that multisensory response gains are strongest when the constituent unimodal stimuli are minimally effective in evoking responses. This finding has been termed the principle of inverse effectiveness (IE). In this high-density electroencephalography study, we investigated the influence of Gabor patches of low and high contrast levels on the perception and processing of spatially and temporally aligned painful electrical stimuli of low and high intensities. Subjective pain ratings, event-related potentials (ERPs) and oscillatory responses served as dependent measures. In line with the principle of IE, stronger crossmodal biasing effects of visual input on subjective pain ratings were found for low compared to high intensity painful stimuli. This effect was paralleled by stronger bimodal interactions in right-central ERPs (150-200ms) for low compared to high intensity pain stimuli. Moreover, an enhanced suppression of medio-central beta-band activity (12-24Hz, 200-400ms) was found for low compared to high intensity pain stimuli. Our findings possibly reflect a facilitation of stimulus processing that serves to enhance response readiness of the sensorimotor system following painful stimulation. Taken together, our study demonstrates that multisensory processing between visual and painful stimuli follows the principle of IE and suggests a role for beta-band oscillations in the crossmodal modulation of pain.
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Affiliation(s)
- Ulrich Pomper
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany; Department of Psychiatry and Psychotherapy, Charité University Medicine Berlin, St. Hedwig Hospital, Große Hamburger Str. 5-11, 10115 Berlin, Germany.
| | - Marion Höfle
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany; Department of Psychiatry and Psychotherapy, Charité University Medicine Berlin, St. Hedwig Hospital, Große Hamburger Str. 5-11, 10115 Berlin, Germany
| | - Michael Hauck
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany; Department of Neurology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Norbert Kathmann
- Department of Psychology, Humboldt-Universität zu Berlin, Rudower Chaussee 18, 12489 Berlin, Germany
| | - Andreas K Engel
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Daniel Senkowski
- Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany; Department of Psychiatry and Psychotherapy, Charité University Medicine Berlin, St. Hedwig Hospital, Große Hamburger Str. 5-11, 10115 Berlin, Germany
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Höfle M, Hauck M, Engel AK, Senkowski D. Viewing a needle pricking a hand that you perceive as yours enhances unpleasantness of pain. Pain 2012; 153:1074-1081. [DOI: 10.1016/j.pain.2012.02.010] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2011] [Revised: 02/03/2012] [Accepted: 02/13/2012] [Indexed: 12/13/2022]
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