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Barry RJ, Steiner-Lim GZ, Cave AE, De Blasio FM, MacDonald B. Effects of interstimulus interval and significance on electrodermal and central measures of the phasic orienting reflex (OR) in a dishabituation task. Sci Rep 2023; 13:13546. [PMID: 37598242 PMCID: PMC10439882 DOI: 10.1038/s41598-023-40428-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 08/10/2023] [Indexed: 08/21/2023] Open
Abstract
Although the P300 event-related potential (ERP) is the most likely central measure of Sokolov's Orienting Reflex (OR), there are few systematic comparisons with the skin conductance response (SCR), the "gold standard" electrodermal OR measure. We examine habituation, stimulus significance, and inter-stimulus interval (ISI) effects in SCRs and components of the P300 from single-trial ERPs in an auditory dishabituation paradigm. Single trial ERP components were separated by temporal principal components analysis, and five components of the P300 were examined as potential phasic OR measures: P3a, P3b, Novelty P3, and two Slow Waves (SW1, SW2). Across the factors of ISI and significance, SCRs showed decrement over trials, recovery at a deviant, and dishabituation at the subsequent standard. This general pattern was not present in any of the components of the P300. SCRs were also larger to significant stimuli and at the long ISI; effects differed between P300 components. The electrodermal SCR showed the complete profile over trials expected of the phasic OR, and was enhanced by stimulus significance, confirming it as the model measure of Sokolov's phasic OR. Components of the P300 failed to match this profile, but instead appear to reflect different aspects of the stimulus processing involved in OR elicitation.
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Affiliation(s)
- Robert J Barry
- Brain and Behaviour Research Institute and School of Psychology, University of Wollongong, Wollongong, Australia.
| | - Genevieve Z Steiner-Lim
- Brain and Behaviour Research Institute and School of Psychology, University of Wollongong, Wollongong, Australia
- NICM Health Research Institute, Western Sydney University, Penrith, Australia
| | - Adele E Cave
- Brain and Behaviour Research Institute and School of Psychology, University of Wollongong, Wollongong, Australia
| | - Frances M De Blasio
- Brain and Behaviour Research Institute and School of Psychology, University of Wollongong, Wollongong, Australia
| | - Brett MacDonald
- Brain and Behaviour Research Institute and School of Psychology, University of Wollongong, Wollongong, Australia
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Randjelovic V. Interactive slide selection algorithm and machine learning in psychophysiological memory testing. Physiol Meas 2023; 44. [PMID: 36716504 DOI: 10.1088/1361-6579/acb756] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 01/30/2023] [Indexed: 01/31/2023]
Abstract
Objective. To present a new type of concealed information test (CIT) that implements the interactive slide selection (ISS) algorithm and compare its effectiveness with a standard CIT (sCIT).Approach. The ISS algorithm presents slides interactively, based on the analysis of electrodermal activity, while sCIT presents slides in a predefined, sequential order. The algorithm automatically selects irrelevant, relevant, and control slides and presents them at the moment which is physiologically most suitable for electrodermal response detection. To compare the ISS-based CIT (issCIT) and sCIT, two objects, a bag, and a wallet, were presented to 64 participants, 32 of whomwere analyzed with sCIT, and another 32 with issCIT.Main results. The results show that ISS had significantly better true/false predictions (Fisher's exact test,p< 0.01). Also, the number of false positives (FPs) was significantly lower in the issCIT group in comparison with sCIT (Fisher's exact test,p< 0.001). Machine learning (ML) classifiers improved precision from 49% to 79% in the sCIT group (McNemar's test,p< 0.05), and from 85% to 100% in the issCIT group (McNemar's test,p< 0.05). The testing time in the issCIT group ranged between 42 and 107 s, while the average was 53 s. In the sCIT group, the testing time was always 330 s.Significance. Under the presented experimental settings, the ISS algorithm obtained significantly better classification results compared to sCIT, while the application of the ML algorithms managed to improve the classification results in both groups reaching a precision of 100%. The ISS algorithm allowed for a much shorter testing time compared to sCIT.
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I Doubt It Is Safe: A Meta-analysis of Self-reported Intolerance of Uncertainty and Threat Extinction Training. BIOLOGICAL PSYCHIATRY GLOBAL OPEN SCIENCE 2021; 1:171-179. [PMID: 36325301 PMCID: PMC9616306 DOI: 10.1016/j.bpsgos.2021.05.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 05/28/2021] [Accepted: 05/29/2021] [Indexed: 02/07/2023] Open
Abstract
Background Intolerance of uncertainty (IU), the tendency to find uncertainty distressing, is an important transdiagnostic dimension in mental health disorders. Higher self-reported IU has been linked to poorer threat extinction training (i.e., the updating of threat to safe associations), a key process that is targeted in exposure-based therapies. However, it remains to be seen whether IU-related effects during threat extinction training are reliably and specifically driven by the IU construct or a particular subcomponent of the IU construct over other self-reported measures of anxiety. Methods A meta-analysis of studies from different laboratories (18 experiments; sample N = 1006) was conducted on associations between different variants of self-reported IU (i.e., 27-item, 12-item, inhibitory, and prospective subscales), trait anxiety, and threat extinction training via skin conductance response. The specificity of IU and threat extinction training was assessed against measures of trait anxiety. Results All the self-reported variants of IU, but not trait anxiety, were associated with threat extinction training via skin conductance response (i.e., continued responding to the old threat cue). Specificity was observed for the majority of self-reported variants of IU over trait anxiety. Conclusions The findings suggest that the IU construct broadly accounts for difficulties in threat extinction training and is specific over other measures of self-reported anxiety. These findings demonstrate the robustness and specificity of IU-related effects during threat extinction training and highlight potential opportunities for translational work to target uncertainty in therapies that rely on threat extinction principles such as exposure therapy.
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Time Passes Slowly When You Are Concealing Something. Biol Psychol 2020; 155:107932. [PMID: 32710921 DOI: 10.1016/j.biopsycho.2020.107932] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 07/16/2020] [Accepted: 07/20/2020] [Indexed: 11/24/2022]
Abstract
The item to be concealed elicits greater physiological arousal than other items. Since high physiological arousal causes an overestimation of time, the display duration of an item is expected to be perceived as longer when people intend to conceal it. After stealing and concealing one item, 36 university students were asked to judge the display duration of an item as shorter than, equal to, or longer than a memorised duration of 2 s. Pictures of three items including the stolen item were presented in the guilty condition, whereas pictures of three items that had not been stolen were presented in the innocent condition. The display of all items in the guilty condition was perceived as longer than in the innocent condition without difference between the concealed and other items. The intention to conceal increases tonic arousal reflected in a higher skin conductance level and leads to a non-specific temporal overestimation.
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Cortese D, Riganello F, Arcuri F, Lucca L, Tonin P, Schnakers C, Laureys S. The Trace Conditional Learning of the Noxious Stimulus in UWS Patients and Its Prognostic Value in a GSR and HRV Entropy Study. Front Hum Neurosci 2020; 14:97. [PMID: 32327985 PMCID: PMC7161674 DOI: 10.3389/fnhum.2020.00097] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 03/02/2020] [Indexed: 01/18/2023] Open
Abstract
The assessment of the consciousness level of Unresponsive Wakefulness Syndrome (UWS) patients often depends on a subjective interpretation of the observed spontaneous and volitional behavior. To date, the misdiagnosis level is around 30%. The aim of this study was to observe the behavior of UWS patients, during the administration of noxious stimulation by a Trace Conditioning protocol, assessed by the Galvanic Skin Response (GSR) and Heart Rate Variability (HRV) entropy. We recruited 13 Healthy Control (HC) and 30 UWS patients at 31 ± 9 days from the acute event evaluated by Coma Recovery Scale–Revised (CRS-R) and Nociception Coma Scale (NCS). Two different stimuli [musical stimulus (MUS) and nociceptive stimulus (NOC)], preceded, respectively by two different tones, were administered following the sequences (A) MUS1 – NOC1 – MUS2 – MUS3 – NOC2 – MUS4 – NOC3 – NOC*, and (B) MUS1*, NOC1*, NOC2*, MUS2*, NOC3*, MUS3*, NOC4*, MUS4*. All the (*) indicate the only tones administration. CRS-R and NCS assessments were repeated for three consecutive weeks. MUS4, NOC3, and NOC* were compared for GSR wave peak magnitude, time to reach the peak, and time of wave's decay by Wilcoxon's test to assess the Conditioned Response (CR). The Sample Entropy (SampEn) was recorded in baseline and both sequences. Machine Learning approach was used to identify a rule to discriminate the CR. The GSR magnitude of CR was higher comparing music stimulus (p < 0.0001) and CR extinction (p < 0.002) in nine patients and in HC. Patients with CR showed a higher SampEn in sequence A compared to patients without CR. Within the third and fourth weeks from protocol administration, eight of the nine patients (88.9%) evolved into MCS. The Machine-learning showed a high performance to differentiate presence/absence of CR (≥95%). The possibility to observe the CR to the noxious stimulus, by means of the GSR and SampEn, can represent a potential method to reduce the misdiagnosis in UWS patients.
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Affiliation(s)
- Daniela Cortese
- Research in Advanced NeuroRehabilitation, Istituto Sant'Anna, Crotone, Italy
| | - Francesco Riganello
- Research in Advanced NeuroRehabilitation, Istituto Sant'Anna, Crotone, Italy.,Coma Science Group, GIGA-Consciousness, University & Hospital of Liege, Liege, Belgium
| | - Francesco Arcuri
- Research in Advanced NeuroRehabilitation, Istituto Sant'Anna, Crotone, Italy
| | - Lucia Lucca
- Research in Advanced NeuroRehabilitation, Istituto Sant'Anna, Crotone, Italy
| | - Paolo Tonin
- Research in Advanced NeuroRehabilitation, Istituto Sant'Anna, Crotone, Italy
| | - Caroline Schnakers
- Neurosurgery Department, University of California, Los Angeles, Los Angeles, CA, United States.,Research Institute, Casa Colina Hospital and Centers of Healthcare, Pomona, CA, United States
| | - Steven Laureys
- Coma Science Group, GIGA-Consciousness, University & Hospital of Liege, Liege, Belgium
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Morriss J, Saldarini F, van Reekum CM. The role of threat level and intolerance of uncertainty in extinction. Int J Psychophysiol 2019; 142:1-9. [PMID: 31158397 DOI: 10.1016/j.ijpsycho.2019.05.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 05/23/2019] [Accepted: 05/30/2019] [Indexed: 12/27/2022]
Abstract
Recent evidence suggests that individual differences in intolerance of uncertainty (IUS) are associated with disrupted threat extinction. However, it is unknown what maintains the learned threat association in high IUS individuals: is it the experienced uncertainty during extinction or the combination of experienced uncertainty with potential threat during extinction? Here we addressed this question by running two independent experiments with uncertain auditory stimuli that varied in threat level (Experiment 1, aversive human scream (n = 30); Experiment 2, neutral tone (n = 47) and mildly aversive tone (n = 49)). During the experiments, we recorded skin conductance responses and subjective ratings to the learned cues during acquisition and extinction. In experiment 1, high IUS was associated with heightened skin conductance responding to the learned threat vs. safe cue during extinction. In experiment 2, high IUS was associated only with larger skin conductance responding to the learned cues with more threatening properties during extinction i.e. mildly aversive tone. These findings suggest that uncertainty in combination with threat, even when mild, disrupts extinction in high IUS individuals. Such findings help us understand the link between IUS and threat extinction, and its relevance to anxiety disorder pathology.
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Affiliation(s)
- Jayne Morriss
- Centre for Integrative Neuroscience and Neurodynamics, School of Psychology and Clinical Language Sciences, University of Reading, Reading, UK.
| | - Francesco Saldarini
- Centre for Integrative Neuroscience and Neurodynamics, School of Psychology and Clinical Language Sciences, University of Reading, Reading, UK
| | - Carien M van Reekum
- Centre for Integrative Neuroscience and Neurodynamics, School of Psychology and Clinical Language Sciences, University of Reading, Reading, UK
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Abstract
Traumatic experiences are associated with increased emotional arousal. Overnight consolidation strengthens the episodic content of emotional memories, but it is still unclear how sleep influences the associated arousal response. To investigate this question, we compared the effects of sleep and wake on psychophysiological and subjective reactivity during emotional memory retrieval. Participants provided affective ratings for negative and neutral images while heart rate deceleration (HRD) and skin conductance responses (SCRs) were monitored. Following a 12-hour delay of sleep or wakefulness, participants completed an image recognition task where HRD, SCRs and affective ratings were recorded again. HRD responses to previously-encoded (“old”) negative images were preserved after sleep but diminished after wakefulness. No between-group difference in HRD was observed for novel negative images at recognition, indicating that the effects of sleep for old images were not driven by a generalised overnight increase in visceral activity, or circadian factors. No significant effects of sleep were observed for SCRs or subjective ratings. Our data suggest that cardiac arousal experienced at the time of encoding is sensitive to plasticity-promoting processes during sleep in a similar manner to episodic aspects of emotional memory.
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Klein Selle N, Ben-Shakhar G, Kindt M, Verschuere B. Preliminary evidence for physiological markers of implicit memory. Biol Psychol 2018; 135:220-235. [PMID: 29477478 DOI: 10.1016/j.biopsycho.2018.02.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 02/18/2018] [Accepted: 02/19/2018] [Indexed: 11/19/2022]
Abstract
The Concealed Information Test (CIT) aims to detect concealed knowledge and is known to be sensitive to explicit memory. In two experiments, we examined whether the CIT is also sensitive to implicit memory using skin conductance, respiration and heart rate measures. For each participant, previously studied items were either categorized as explicitly remembered, implicitly remembered or forgotten. The two experiments differed in the strength of memory encoding, the type of implicit memory test, the delay between study and test and the number of critical CIT items. The results of Experiment 1 revealed that CIT detection efficiency was weak and significant only in the explicit memory condition. In Experiment 2, however, CIT detection efficiency was stronger and significant in both the explicit and implicit memory conditions as indexed by skin conductance and respiration. Altogether, our results provide initial evidence that the CIT may be sensitive to implicit memory. Theoretical and practical implications are discussed.
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Affiliation(s)
- Nathalie Klein Selle
- Department of Psychology, Hebrew University of Jerusalem, Mount Scopus, Jerusalem 91905, Israel; Department of Clinical Psychology, University of Amsterdam, Postbus 15933, 1001 NK Amsterdam, The Netherlands.
| | - Gershon Ben-Shakhar
- Department of Psychology, Hebrew University of Jerusalem, Mount Scopus, Jerusalem 91905, Israel
| | - Merel Kindt
- Department of Clinical Psychology, University of Amsterdam, Postbus 15933, 1001 NK Amsterdam, The Netherlands
| | - Bruno Verschuere
- Department of Clinical Psychology, University of Amsterdam, Postbus 15933, 1001 NK Amsterdam, The Netherlands
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klein Selle N, Verschuere B, Kindt M, Meijer E, Nahari T, Ben-Shakhar G. Memory detection: The effects of emotional stimuli. Biol Psychol 2017; 129:25-35. [DOI: 10.1016/j.biopsycho.2017.07.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 07/26/2017] [Accepted: 07/28/2017] [Indexed: 11/26/2022]
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10
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Skin Admittance Measurement for Emotion Recognition: A Study over Frequency Sweep. ELECTRONICS 2016. [DOI: 10.3390/electronics5030046] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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klein Selle N, Verschuere B, Kindt M, Meijer E, Ben-Shakhar G. Orienting versus inhibition in the Concealed Information Test: Different cognitive processes drive different physiological measures. Psychophysiology 2015; 53:579-90. [DOI: 10.1111/psyp.12583] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Accepted: 10/22/2015] [Indexed: 12/01/2022]
Affiliation(s)
- Nathalie klein Selle
- Department of Psychology; Hebrew University of Jerusalem; Jerusalem Israel
- Department of Clinical Psychology; University of Amsterdam; Amsterdam The Netherlands
| | - Bruno Verschuere
- Department of Clinical Psychology; University of Amsterdam; Amsterdam The Netherlands
- Faculty of Psychology and Neuroscience; Maastricht University; Maastricht The Netherlands
- Department of Experimental Clinical and Health Psychology; Ghent University; Ghent Belgium
| | - Merel Kindt
- Department of Clinical Psychology; University of Amsterdam; Amsterdam The Netherlands
| | - Ewout Meijer
- Faculty of Psychology and Neuroscience; Maastricht University; Maastricht The Netherlands
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Greco A, Lanata A, Valenza G, Scilingo EP, Citi L. Electrodermal activity processing: a convex optimization approach. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2015; 2014:2290-3. [PMID: 25570445 DOI: 10.1109/embc.2014.6944077] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
This paper reports on a novel model based on convex optimization methods for the analysis of the skin conductance (SC) as response of the electrodermal activity (EDA) to affective stimuli. Starting from previous assessed methodological approaches, this new model proposes a decomposition of SC into tonic and phasic components through the solution of a convex optimization problem. Previous knowledge about the physiology of the EDA is accounted for by means of an appropriate choice of constraints and regularizers. In order to test the effectiveness of the new approach, an experimental session in which 9 healthy subjects were stimulated using affective pictures gathered from the IAPS database was designed and carried out. The experimental session included series of negative-valence high-arousal images and series of neutral images, with an inter-stimulus interval of about 2 seconds for both neutral and high arousal pictures. Next, a statistical analysis was performed on a set of features extracted from the phasic driver and the tonic signal estimated by the model. Results showed that the phasic driver extracted from the model was able to strongly distinguish arousal sessions from neutral ones. Conversely, no significant difference was found for the tonic components. This experimental findings are consistent with the literature and confirm that the phasic component is strictly related to changes in the sympathetic activity of the autonomic nervous system. Although preliminary, these results are very encouraging and future work will progress to further validate the model through specific and controlled experiments.
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Greco A, Valenza G, Lanata A, Scilingo EP, Citi L. cvxEDA: A Convex Optimization Approach to Electrodermal Activity Processing. IEEE Trans Biomed Eng 2015; 63:797-804. [PMID: 26336110 DOI: 10.1109/tbme.2015.2474131] [Citation(s) in RCA: 114] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
GOAL This paper reports on a novel algorithm for the analysis of electrodermal activity (EDA) using methods of convex optimization. EDA can be considered as one of the most common observation channels of sympathetic nervous system activity, and manifests itself as a change in electrical properties of the skin, such as skin conductance (SC). METHODS The proposed model describes SC as the sum of three terms: the phasic component, the tonic component, and an additive white Gaussian noise term incorporating model prediction errors as well as measurement errors and artifacts. This model is physiologically inspired and fully explains EDA through a rigorous methodology based on Bayesian statistics, mathematical convex optimization, and sparsity. RESULTS The algorithm was evaluated in three different experimental sessions to test its robustness to noise, its ability to separate and identify stimulus inputs, and its capability of properly describing the activity of the autonomic nervous system in response to strong affective stimulation. SIGNIFICANCE Results are very encouraging, showing good performance of the proposed method and suggesting promising future applicability, e.g., in the field of affective computing.
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Bonnet L, Comte A, Tatu L, Millot JL, Moulin T, Medeiros de Bustos E. The role of the amygdala in the perception of positive emotions: an "intensity detector". Front Behav Neurosci 2015. [PMID: 26217205 PMCID: PMC4493392 DOI: 10.3389/fnbeh.2015.00178] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
The specific role of the amygdala remains controversial even though the development of functional imaging techniques has established its implication in the emotional process. The aim of this study was to highlight the sensitivity of the amygdala to emotional intensity (arousal). We conducted an analysis of the modulation of amygdala activation according to variation in emotional intensity via an fMRI event-related protocol. Monitoring of electrodermal activity, a marker of psychophysiological emotional perception and a reflection of the activation of the autonomic nervous system, was carried out concurrently. Eighteen subjects (10 men; aged from 22 to 29 years) looked at emotionally positive photographs. We demonstrated that the left and right amygdalae were sensitive to changes in emotional intensity, activating more in response to stimuli with higher intensity. Furthermore, electrodermal responses were more frequent for the most intense stimuli, demonstrating the concomitant activation of the autonomic nervous system. These results highlight the sensitivity of the amygdala to the intensity of positively valenced visual stimuli, and in conjunction with results in the literature on negative emotions, reinforce the role of the amygdala in the perception of intensity.
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Affiliation(s)
- Louise Bonnet
- Department of Neurology, Besancon University Hospital Besancon, France ; Department of Research in Functional Imaging, CIC 808, Besancon University Hospital Besancon, France ; Laboratory of Integrative and Clinical Neuroscience, EA 481, SFR FED 4234 UFC-CHRU-EFS Besancon, France
| | - Alexandre Comte
- Department of Research in Functional Imaging, CIC 808, Besancon University Hospital Besancon, France ; Laboratory of Integrative and Clinical Neuroscience, EA 481, SFR FED 4234 UFC-CHRU-EFS Besancon, France
| | - Laurent Tatu
- Department of Neurology, Besancon University Hospital Besancon, France ; Department of Research in Functional Imaging, CIC 808, Besancon University Hospital Besancon, France ; Laboratory of Integrative and Clinical Neuroscience, EA 481, SFR FED 4234 UFC-CHRU-EFS Besancon, France
| | - Jean-Louis Millot
- Laboratory of Integrative and Clinical Neuroscience, EA 481, SFR FED 4234 UFC-CHRU-EFS Besancon, France
| | - Thierry Moulin
- Department of Neurology, Besancon University Hospital Besancon, France ; Department of Research in Functional Imaging, CIC 808, Besancon University Hospital Besancon, France ; Laboratory of Integrative and Clinical Neuroscience, EA 481, SFR FED 4234 UFC-CHRU-EFS Besancon, France
| | - Elisabeth Medeiros de Bustos
- Department of Neurology, Besancon University Hospital Besancon, France ; Department of Research in Functional Imaging, CIC 808, Besancon University Hospital Besancon, France ; Laboratory of Integrative and Clinical Neuroscience, EA 481, SFR FED 4234 UFC-CHRU-EFS Besancon, France
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Singleton CJ, Ashwin C, Brosnan M. Physiological responses to social and nonsocial stimuli in neurotypical adults with high and low levels of autistic traits: implications for understanding nonsocial drive in autism spectrum disorders. Autism Res 2014; 7:695-703. [PMID: 25346292 DOI: 10.1002/aur.1422] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Accepted: 09/05/2014] [Indexed: 11/11/2022]
Abstract
Researchers have suggested that the two primary cognitive features of autism spectrum disorder (ASD), a drive toward nonsocial processing and a reduced drive toward social processing, may be unrelated to each other in the neurotypical (NT) population and may therefore require separate explanations. Drive toward types of processing may be related to physiological arousal to categories of stimuli, such as social (e.g., faces) or nonsocial (e.g., trains). This study investigated how autistic traits in an NT population might relate to differences in physiological responses to nonsocial compared with social stimuli. NT participants were recruited to examine these differences in those with high vs. low degrees of ASD traits. Forty-six participants (21 male, 25 female) completed the Autism Spectrum Quotient (AQ) to measure ASD traits before viewing a series of 24 images while skin conductance response (SCR) was recorded. Images included six nonsocial, six social, six face-like cartoons, and six nonsocial (relating to participants' personal interests). Analysis revealed that those with a higher AQ had significantly greater SCR arousal to nonsocial stimuli than those with a low AQ, and the higher the AQ, the greater the difference between SCR arousal to nonsocial and social stimuli. This is the first study to identify the relationship between AQ and physiological response to nonsocial stimuli, and a relationship between physiological response to both social and nonsocial stimuli, suggesting that physiological response may underlie the atypical drive toward nonsocial processing seen in ASD, and that at the physiological level at least the social and nonsocial in ASD may be related to one another.
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Meijer EH, Selle NK, Elber L, Ben-Shakhar G. Memory detection with the Concealed Information Test: A meta analysis of skin conductance, respiration, heart rate, and P300 data. Psychophysiology 2014; 51:879-904. [DOI: 10.1111/psyp.12239] [Citation(s) in RCA: 141] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Accepted: 04/30/2014] [Indexed: 11/26/2022]
Affiliation(s)
- Ewout H. Meijer
- Faculty of Psychology and Neuroscience; Maastricht University; Maastricht The Netherlands
- Department of Psychology; The Hebrew University of Jerusalem; Jerusalem Israel
| | | | - Lotem Elber
- Department of Psychology; The Hebrew University of Jerusalem; Jerusalem Israel
| | - Gershon Ben-Shakhar
- Department of Psychology; The Hebrew University of Jerusalem; Jerusalem Israel
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Gamer M, Berti S. P300 amplitudes in the concealed information test are less affected by depth of processing than electrodermal responses. Front Hum Neurosci 2012; 6:308. [PMID: 23162454 PMCID: PMC3498630 DOI: 10.3389/fnhum.2012.00308] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Accepted: 10/24/2012] [Indexed: 11/13/2022] Open
Abstract
The Concealed Information Test (CIT) has been used in the laboratory as well as in field applications to detect concealed crime related memories. The presentation of crime relevant details to guilty suspects has been shown to elicit enhanced N200 and P300 amplitudes of the event-related brain potentials (ERPs) as well as greater skin conductance responses (SCRs) as compared to neutral test items. These electrophysiological and electrodermal responses were found to incrementally contribute to the validity of the test, thereby suggesting that these response systems are sensitive to different psychological processes. In the current study, we tested whether depth of processing differentially affects N200, P300, and SCR amplitudes in the CIT. Twenty participants carried out a mock crime and became familiar with central and peripheral crime details. A CIT that was conducted 1 week later revealed that SCR amplitudes were larger for central details although central and peripheral items were remembered equally well in a subsequent explicit memory test. By contrast, P300 amplitudes elicited by crime related details were larger but did not differ significantly between question types. N200 amplitudes did not allow for detecting concealed knowledge in this study. These results indicate that depth of processing might be one factor that differentially affects central and autonomic nervous system responses to concealed information. Such differentiation might be highly relevant for field applications of the CIT.
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Affiliation(s)
- Matthias Gamer
- Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf Hamburg, Germany
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Bach DR, Friston KJ. Model-based analysis of skin conductance responses: Towards causal models in psychophysiology. Psychophysiology 2012; 50:15-22. [PMID: 23094650 DOI: 10.1111/j.1469-8986.2012.01483.x] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2012] [Accepted: 08/30/2012] [Indexed: 11/28/2022]
Affiliation(s)
- Dominik R. Bach
- Wellcome Trust Centre for Neuroimaging; University College London; London; UK
| | - Karl J. Friston
- Wellcome Trust Centre for Neuroimaging; University College London; London; UK
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Maoz K, Breska A, Ben-Shakhar G. Orienting response elicitation by personally significant information under subliminal stimulus presentation: Demonstration using the Concealed Information Test. Psychophysiology 2012; 49:1610-7. [DOI: 10.1111/j.1469-8986.2012.01470.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2011] [Accepted: 07/19/2012] [Indexed: 11/28/2022]
Affiliation(s)
- Keren Maoz
- Department of Psychology; The Hebrew University of Jerusalem; Jerusalem; Israel
| | - Assaf Breska
- Department of Psychology; The Hebrew University of Jerusalem; Jerusalem; Israel
| | - Gershon Ben-Shakhar
- Department of Psychology; The Hebrew University of Jerusalem; Jerusalem; Israel
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20
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Boucsein W, Fowles DC, Grimnes S, Ben-Shakhar G, roth WT, Dawson ME, Filion DL. Publication recommendations for electrodermal measurements. Psychophysiology 2012; 49:1017-34. [PMID: 22680988 DOI: 10.1111/j.1469-8986.2012.01384.x] [Citation(s) in RCA: 629] [Impact Index Per Article: 52.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2012] [Accepted: 03/01/2012] [Indexed: 11/28/2022]
Abstract
This committee was appointed by the SPR Board to provide recommendations for publishing data on electrodermal activity (EDA). They are intended to be a stand-alone source for newcomers and experienced users. A short outline of principles for electrodermal measurement is given, and recommendations from an earlier report (Fowles et al., ) are incorporated. Three fundamental techniques of EDA recording are described: (1) endosomatic recording without the application of an external current, (2) exosomatic recording with direct current (the most widely applied methodology), and (3) exosomatic recording with alternating current-to date infrequently used but a promising future methodology. In addition to EDA recording in laboratories, ambulatory recording has become an emerging technique. Specific problems that come with this recording of EDA in the field are discussed, as are those emerging from recording EDA within a magnetic field (e.g., fMRI). Recommendations for the details that should be mentioned in publications of EDA methods and results are provided.
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21
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Wiemer J, Gerdes ABM, Pauli P. The effects of an unexpected spider stimulus on skin conductance responses and eye movements: an inattentional blindness study. PSYCHOLOGICAL RESEARCH 2012; 77:155-66. [DOI: 10.1007/s00426-011-0407-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2011] [Accepted: 12/20/2011] [Indexed: 11/30/2022]
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