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Bagnall R, Russell A, Brosnan M, Maras K. Autistic adults' inclination to lie in everyday situations. AUTISM : THE INTERNATIONAL JOURNAL OF RESEARCH AND PRACTICE 2024; 28:718-731. [PMID: 37572035 PMCID: PMC10913365 DOI: 10.1177/13623613231183911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/14/2023]
Abstract
LAY ABSTRACT Differences in social communication and understanding others' mental states may mean that autistic adults are less likely to deceive others than non-autistic individuals. We investigated whether autistic and non-autistic adults differ in their inclination to lie and which psychological factors are involved in the inclination to lie. We found that autistic and non-autistic groups reported a similar inclination to lie, and the extent to which participants viewed lying as acceptable helped to explain their inclination to deceive others. However, the other underlying psychological factors associated with deception inclination differed between autistic and non-autistic groups. Autistic adults' belief about their ability to lie and also how quickly they could lie helped to explain whether they were more or less inclined to lie. For non-autistic adults, their memory and ability to understand others' mental states helped to explain their lie inclination. We discuss these findings and recommend areas for future research.
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Prodan N, Ding XP, Szekely-Copîndean RD, Tănăsescu A, Visu-Petra L. Socio-cognitive correlates of primary school children's deceptive behavior toward peers in competitive settings. Acta Psychol (Amst) 2023; 240:104019. [PMID: 37734243 DOI: 10.1016/j.actpsy.2023.104019] [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: 06/21/2023] [Revised: 08/26/2023] [Accepted: 08/30/2023] [Indexed: 09/23/2023] Open
Abstract
Competing for limited resources with peers is common among children from an early age, illustrating their propensity to use deceptive strategies to win. We focused on how primary school-age (6-8 years old) children's strategic deception toward peers is associated with their socio-cognitive development (theory of mind and executive functions). In a novel computerized competitive hide-and-seek game, we manipulated the peer opponents' familiarity (familiar vs. unfamiliar) and actions (following vs. not following children's indications), as well as the stimuli likability (liked vs. disliked cards). Our findings demonstrated that children deceived the familiar opponent less than the unfamiliar one, indicating their determination to preserve positive peer interactions. We showed that theory of mind and executive functions significantly predicted children's willingness to deceive. Notably, second-order false belief understanding and visuospatial working memory positively predicted children's use of truths to deceive, whereas inhibitory control and cognitive flexibility efficacy scores were negatively related to their deceptive performance when using the same strategy. Implications for children's competitive behavior toward peers involving lie-telling are discussed.
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Affiliation(s)
- Narcisa Prodan
- Department of Psychology, Babes-Bolyai University, 400015 Cluj-Napoca, Cluj, Romania.
| | - Xiao Pan Ding
- Department of Psychology, National University of Singapore, 117570 Singapore, Singapore.
| | - Raluca Diana Szekely-Copîndean
- Department of Psychology, Babes-Bolyai University, 400015 Cluj-Napoca, Cluj, Romania; Department of Social and Human Research, Romanian Academy, 400015 Cluj-Napoca, Cluj, Romania.
| | | | - Laura Visu-Petra
- Department of Psychology, Babes-Bolyai University, 400015 Cluj-Napoca, Cluj, Romania; Department of Social and Human Research, Romanian Academy, 400015 Cluj-Napoca, Cluj, Romania.
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3
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Wu J, Huang J, Li J, Chen X, Xiao Y. The role of conflict processing mechanism in deception responses. Sci Rep 2022; 12:18300. [PMID: 36316417 PMCID: PMC9622869 DOI: 10.1038/s41598-022-21569-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 09/28/2022] [Indexed: 11/06/2022] Open
Abstract
A considerable number of studies have described the potential neural mechanism of deception, but most deception studies have relied upon deception from experimental supervisor instruction. Experimental control (participants follow instructions to deceive without any risk) means that the deception occurs in a way that does not come close to the real deception. In the current study, a neural imaging experiment on deception closer to the real deception was conducted. Event-related potential (ERP) and event-related spectral perturbation (ERSP) techniques were used to explore the neural mechanism of deception. The results showed that deceptive response evoked larger medial-frontal negativity (MFN) and smaller response-locked positivity (RLP) than truthful response. We interpret these findings to indicate that conflict detection and emotional processing are associated with deception. In addition, magnitudes of alpha and beta oscillations after the deceptive response were significantly smaller than those after the truthful response, demonstrating that deception is associated with neural oscillations reflecting conflict adjustment. The results comprehensively characterized the physiological properties of the brain oscillations elicited by a deceptive response and provided a theoretical foundation for detection in practical applications.
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Affiliation(s)
- Jintao Wu
- Beijing Machine and Equipment Institute, Beijing, 100854 China ,grid.418516.f0000 0004 1791 7464National Key Laboratory of Human Factors Engineering, China Astronaut Research and Training Center, Beijing, 100094 China
| | - Jie Huang
- grid.414351.60000 0004 0530 7044Beijing HuiLongGuan Hospital, Peking University HuiLongGuan Clinical Medical School, Beijing, 100096 China
| | - Jiaxuan Li
- Beijing Machine and Equipment Institute, Beijing, 100854 China
| | - Xianglin Chen
- grid.43555.320000 0000 8841 6246Beijing Institute of Information Technology, Beijing, 100094 China
| | - Yi Xiao
- grid.418516.f0000 0004 1791 7464National Key Laboratory of Human Factors Engineering, China Astronaut Research and Training Center, Beijing, 100094 China
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Frequency-Specific Analysis of the Dynamic Reconfiguration of the Brain in Patients with Schizophrenia. Brain Sci 2022; 12:brainsci12060727. [PMID: 35741612 PMCID: PMC9221032 DOI: 10.3390/brainsci12060727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/01/2022] [Accepted: 05/28/2022] [Indexed: 12/10/2022] Open
Abstract
The analysis of resting-state fMRI signals usually focuses on the low-frequency range/band (0.01−0.1 Hz), which does not cover all aspects of brain activity. Studies have shown that distinct frequency bands can capture unique fluctuations in brain activity, with high-frequency signals (>0.1 Hz) providing valuable information for the diagnosis of schizophrenia. We hypothesized that it is meaningful to study the dynamic reconfiguration of schizophrenia through different frequencies. Therefore, this study used resting-state functional magnetic resonance (RS-fMRI) data from 42 schizophrenia and 40 normal controls to investigate dynamic network reconfiguration in multiple frequency bands (0.01−0.25 Hz, 0.01−0.027 Hz, 0.027−0.073 Hz, 0.073−0.198 Hz, 0.198−0.25 Hz). Based on the time-varying dynamic network constructed for each frequency band, we compared the dynamic reconfiguration of schizophrenia and normal controls by calculating the recruitment and integration. The experimental results showed that the differences between schizophrenia and normal controls are observed in the full frequency, which is more significant in slow3. In addition, as visual network, attention network, and default mode network differ a lot from each other, they can show a high degree of connectivity, which indicates that the functional network of schizophrenia is affected by the abnormal brain state in these areas. These shreds of evidence provide a new perspective and promote the current understanding of the characteristics of dynamic brain networks in schizophrenia.
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5
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Brain Regions Activity During a Deceitful Monetary Game: An fMRI Study. ARCHIVES OF NEUROSCIENCE 2022. [DOI: 10.5812/ans-122202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
: Finding neural correlates underlying deception may have implementations in judicial, security, and financial settings. Telling a successful lie may activate different brain regions associated with risk evaluation, subsequent reward/punishment possibility, decision-making, and theory of mind (ToM). Many other protocols have been developed to study individuals who proceed with deception under instructed laboratory conditions. However, no protocol has practiced lying in a real-life environment. We performed a functional MRI using a 3Tesla machine on 31 healthy individuals to detect the participants who successfully lie in a previously-designed game to earn or lose the monetary reward. The results revealed that lying results in an augmented activity in the right dorsolateral and right dorsomedial prefrontal cortices, the right inferior parietal lobule, bilateral inferior frontal gyri, and right anterior cingulate cortex. The findings would contribute to forensic practices regarding the detection of a deliberate lie. They may also have implications for guilt detection, social cognition, and the societal notions of responsibility.
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Feng YJ, Hung SM, Hsieh PJ. Detecting spontaneous deception in the brain. Hum Brain Mapp 2022; 43:3257-3269. [PMID: 35344258 PMCID: PMC9189038 DOI: 10.1002/hbm.25849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/05/2022] [Accepted: 03/09/2022] [Indexed: 12/01/2022] Open
Abstract
Deception detection can be of great value during the juristic investigation. Although the neural signatures of deception have been widely documented, most prior studies were biased by difficulty levels. That is, deceptive behavior typically required more effort, making deception detection possibly effort detection. Furthermore, no study has examined the generalizability across instructed and spontaneous responses and across participants. To explore these issues, we used a dual‐task paradigm, where the difficulty level was balanced between truth‐telling and lying, and the instructed and spontaneous truth‐telling and lying were collected independently. Using Multivoxel pattern analysis, we were able to decode truth‐telling versus lying with a balanced difficulty level. Results showed that the angular gyrus (AG), inferior frontal gyrus (IFG), and postcentral gyrus could differentiate lying from truth‐telling. Critically, linear classifiers trained to distinguish instructed truthful and deceptive responses could correctly differentiate spontaneous truthful and deceptive responses in AG and IFG with above‐chance accuracy. In addition, with a leave‐one‐participant‐out analysis, multivoxel neural patterns from AG could classify if the left‐out participant was lying or not in a trial. These results indicate the commonality of neural responses subserved instructed and spontaneous deceptive behavior as well as the feasibility of cross‐participant deception validation.
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Affiliation(s)
- Yen-Ju Feng
- Department of Psychology, National Taiwan University, Taipei, Taiwan
| | - Shao-Min Hung
- Biology and Biological Engineering, California Institute of Technology, Pasadena, California, USA
| | - Po-Jang Hsieh
- Department of Psychology, National Taiwan University, Taipei, Taiwan
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Votinov M, Myznikov A, Zheltyakova M, Masharipov R, Korotkov A, Cherednichenko D, Habel U, Kireev M. The Interaction Between Caudate Nucleus and Regions Within the Theory of Mind Network as a Neural Basis for Social Intelligence. Front Neural Circuits 2021; 15:727960. [PMID: 34720887 PMCID: PMC8552029 DOI: 10.3389/fncir.2021.727960] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 09/27/2021] [Indexed: 12/04/2022] Open
Abstract
The organization of socio-cognitive processes is a multifaceted problem for which many sophisticated concepts have been proposed. One of these concepts is social intelligence (SI), i.e., the set of abilities that allow successful interaction with other people. The theory of mind (ToM) human brain network is a good candidate for the neural substrate underlying SI since it is involved in inferring the mental states of others and ourselves and predicting or explaining others’ actions. However, the relationship of ToM to SI remains poorly explored. Our recent research revealed an association between the gray matter volume of the caudate nucleus and the degree of SI as measured by the Guilford-Sullivan test. It led us to question whether this structural peculiarity is reflected in changes to the integration of the caudate with other areas of the brain associated with socio-cognitive processes, including the ToM system. We conducted seed-based functional connectivity (FC) analysis of resting-state fMRI data for 42 subjects with the caudate as a region of interest. We found that the scores of the Guilford-Sullivan test were positively correlated with the FC between seeds in the right caudate head and two clusters located within the right superior temporal gyrus and bilateral precuneus. Both regions are known to be nodes of the ToM network. Thus, the current study demonstrates that the SI level is associated with the degree of functional integration between the ToM network and the caudate nuclei.
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Affiliation(s)
- Mikhail Votinov
- N.P. Bechtereva Institute of Human Brain, Russian Academy of Science, Saint Petersburg, Russia.,Institute of Neuroscience and Medicine, Research Centre Jülich, Jülich, Germany.,Department of Psychiatry, Psychotherapy, and Psychosomatics, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Artem Myznikov
- N.P. Bechtereva Institute of Human Brain, Russian Academy of Science, Saint Petersburg, Russia
| | - Maya Zheltyakova
- N.P. Bechtereva Institute of Human Brain, Russian Academy of Science, Saint Petersburg, Russia
| | - Ruslan Masharipov
- N.P. Bechtereva Institute of Human Brain, Russian Academy of Science, Saint Petersburg, Russia
| | - Alexander Korotkov
- N.P. Bechtereva Institute of Human Brain, Russian Academy of Science, Saint Petersburg, Russia
| | - Denis Cherednichenko
- N.P. Bechtereva Institute of Human Brain, Russian Academy of Science, Saint Petersburg, Russia
| | - Ute Habel
- Institute of Neuroscience and Medicine, Research Centre Jülich, Jülich, Germany.,Department of Psychiatry, Psychotherapy, and Psychosomatics, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Maxim Kireev
- N.P. Bechtereva Institute of Human Brain, Russian Academy of Science, Saint Petersburg, Russia.,Institute for Cognitive Studies, Saint Petersburg State University, Saint Petersburg, Russia
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Zheltyakova M, Korotkov A, Cherednichenko D, Kireev M. Functional Interactions Between Neural Substrates of Socio-cognitive Mechanisms Involved in Simple Deception and Manipulative Truth. Brain Connect 2021; 12:639-649. [PMID: 34470467 DOI: 10.1089/brain.2021.0063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Introduction: Deceptive intentions may be realized by imparting false (simple deception) or true (manipulative truth) information. Both forms of deception require inferring others' thoughts and are underpinned by the theory of mind (TOM) neural system. Manipulative truth is thought to more strongly recruit these processes. However, the organization of functional interactions underlying simple deception and manipulative truth remains unclear. Materials and Methods: We performed psychophysiological interaction analysis for a key node in the TOM system, the right temporoparietal junction (rTPJ), using functional MRI data obtained from 23 volunteers (14 men and 9 women, age range 18-45 years) during the sender-receiver game. During the game, participants sent true, simple deceptive, or manipulative truthful messages to another player according to their own choice. A Bayesian approach to statistics was employed to perform statistical inference and define voxels with significant changes in functional interactions. Results: We observed functional interactions between nodes of the TOM system (bilateral TPJ, left precuneus, left dorsomedial prefrontal cortex, and right superior temporal sulcus) characterizing both forms of deception. We identified an increment in functional interactions of the rTPJ with the left TPJ (lTPJ) and right precuneus associated with manipulative truth. Furthermore, we demonstrated that a higher rate of manipulative truthful actions was associated with weaker functional interactions between the rTPJ and lTPJ, left precuneus, and left dorsomedial prefrontal cortex. Discussion: Compared with simple deception, manipulative truth is associated with a higher demand for socio-cognitive processes that contributes to the cognitive load of this form of deception.
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Affiliation(s)
- Maya Zheltyakova
- N.P. Bechtereva Institute of the Human Brain, Russian Academy of Sciences, St. Petersburg, Russia
| | - Alexander Korotkov
- N.P. Bechtereva Institute of the Human Brain, Russian Academy of Sciences, St. Petersburg, Russia
| | - Denis Cherednichenko
- N.P. Bechtereva Institute of the Human Brain, Russian Academy of Sciences, St. Petersburg, Russia
| | - Maxim Kireev
- N.P. Bechtereva Institute of the Human Brain, Russian Academy of Sciences, St. Petersburg, Russia
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9
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Delgado-Herrera M, Reyes-Aguilar A, Giordano M. What Deception Tasks Used in the Lab Really Do: Systematic Review and Meta-analysis of Ecological Validity of fMRI Deception Tasks. Neuroscience 2021; 468:88-109. [PMID: 34111448 DOI: 10.1016/j.neuroscience.2021.06.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 06/02/2021] [Accepted: 06/03/2021] [Indexed: 11/25/2022]
Abstract
Interpretation of the neural findings of deception without considering the ecological validity of the experimental tasks could lead to biased conclusions. In this study we classified the experimental tasks according to their inclusion of three essential components required for ecological validity: intention to lie, social interaction and motivation. First, we carried out a systematic review to categorize fMRI deception tasks and to weigh the degree of ecological validity of each one. Second, we performed a meta-analysis to identify if each type of task involves a different neural substrate and to distinguish the neurocognitive contribution of each component of ecological validity essential to deception. We detected six categories of deception tasks. Intention to lie was the component least frequently included, followed by social interaction. Monetary reward was the most frequent motivator. The results of the meta-analysis, including 59 contrasts, revealed that intention to lie is associated with activation in the left lateral occipital cortex (superior division) whereas the left angular gyrus and right inferior frontal gyrus (IFG) are engaged during lying under instructions. Additionally, the right IFG appears to participate in the social aspect of lying including simulated and real interactions. We found no effect of monetary reward in our analysis. Finally, tasks with high ecological validity recruited fewer brain areas (right insular cortex and bilateral anterior cingulate cortex (ACC)) compared to less ecological tasks, perhaps because they are more natural and realistic, and engage a wide network of brain mechanisms, as opposed to specific tasks that demand more centralized processes.
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Affiliation(s)
- Maribel Delgado-Herrera
- Departamento de Neurobiología Conductual y Cognitiva, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001, Querétaro 76230, Mexico.
| | - Azalea Reyes-Aguilar
- Departamento de Psicobiología y Neurociencias, Facultad de Psicología, Universidad Nacional Autónoma de México, Av. Universidad 3004, Ciudad de México, México.
| | - Magda Giordano
- Departamento de Neurobiología Conductual y Cognitiva, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001, Querétaro 76230, Mexico.
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10
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Zheltyakova M, Kireev M, Korotkov A, Medvedev S. Neural mechanisms of deception in a social context: an fMRI replication study. Sci Rep 2020; 10:10713. [PMID: 32612101 PMCID: PMC7329834 DOI: 10.1038/s41598-020-67721-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 06/12/2020] [Indexed: 12/21/2022] Open
Abstract
Deception is a form of manipulation aimed at misleading another person by conveying false or truthful messages. Manipulative truthful statements could be considered as sophisticated deception and elicit an increased cognitive load. However, only one fMRI study reported its neural correlates. To provide independent evidence for sophisticated deception, we carried out an fMRI study replicating the experimental paradigm and Bayesian statistical approach utilized in that study. During the experiment, participants played a game against an opponent by sending deliberate deceptive or honest messages. Compared to truth-telling, deceptive intentions, regardless of how they were fulfilled, were associated with increased BOLD signals in the bilateral temporoparietal junction (TPJ), left precuneus, and right superior temporal sulcus (STS). The right TPJ participates in the attribution of mental states, acting in a social context, and moral behaviour. Moreover, the other revealed brain areas have been considered nodes in the theory of mind brain neural system. Therefore, the obtained results reflect an increased demand for socio‑cognitive processes associated with deceptive intentions. We replicated the original study showing the involvement of the right TPJ and expanded upon it by revealing the involvement of the left TPJ, left precuneus and right STS in actions with deceptive intentions.
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Affiliation(s)
- Maya Zheltyakova
- N.P. Bechtereva Institute of the Human Brain, Russian Academy of Sciences, St. Petersburg, Russia
| | - Maxim Kireev
- N.P. Bechtereva Institute of the Human Brain, Russian Academy of Sciences, St. Petersburg, Russia.
| | - Alexander Korotkov
- N.P. Bechtereva Institute of the Human Brain, Russian Academy of Sciences, St. Petersburg, Russia
| | - Svyatoslav Medvedev
- N.P. Bechtereva Institute of the Human Brain, Russian Academy of Sciences, St. Petersburg, Russia
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Functional Connectivity Pattern Analysis Underlying Neural Oscillation Synchronization during Deception. Neural Plast 2019; 2019:2684821. [PMID: 30906317 PMCID: PMC6393932 DOI: 10.1155/2019/2684821] [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: 09/19/2018] [Revised: 12/18/2018] [Accepted: 01/10/2019] [Indexed: 11/18/2022] Open
Abstract
To characterize system cognitive processes during deception, event-related coherence was computed to investigate the functional connectivity among brain regions underlying neural oscillation synchronization. In this study, 15 participants were randomly assigned to honesty or deception groups and were instructed to tell the truth or lie when facing certain stimuli. Meanwhile, event-related potential signals were recorded using a 64-channel electroencephalography cap. Event-related coherence was computed separately in four frequency bands (delta (1-3.5 Hz), theta (4-7 Hz), alpha (8-13 Hz), and beta (14-30 HZ)) for the long-range intrahemispheric electrode pairs (F3P3, F4P4, F3T7, F4T8, F3O1, and F4O2). The results indicated that deceptive responses elicited greater connectivities in the frontoparietal and frontotemporal networks than in the frontooccipital network. Furthermore, the deception group displayed lower values of coherence in the frontoparietal electrode pairs in the alpha and beta bands than the honesty group. In particular, increased coherence in the delta and theta bands on specific left frontoparietal electrode pairs was observed. Additionally, the deception group exhibited higher values of coherence in the delta band and lower values of coherence in the beta band on the frontotemporal electrode pairs than did the honesty group. These data indicated that the active cognitive processes during deception include changes in ensemble activities between the frontal and parietal/temporal regions.
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12
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Calluso C, Saulin A, Baumgartner T, Knoch D. Distinct Patterns of Cognitive Conflict Dynamics in Promise Keepers and Promise Breakers. Front Psychol 2018; 9:939. [PMID: 29942275 PMCID: PMC6004372 DOI: 10.3389/fpsyg.2018.00939] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 05/22/2018] [Indexed: 12/04/2022] Open
Abstract
On a daily basis, we see how different people can be in keeping or breaking a given promise. However, we know very little about the cognitive conflict dynamics that underlie the decision to keep or break a promise and whether this is shaped by inter-individual variability. In order to fill this gap, we applied an ecologically valid promise decision task with real monetary consequences for all involved interaction partners and used mouse tracking to identify the dynamic, on-line cognitive processes that underlie the decision to keep or break a promise. Our findings revealed that on average, the process of breaking a promise is associated with largely curved mouse trajectories, while the process of keeping a promise was not, indicating that breaking a promise is associated with a larger conflict. Interestingly, however, this conflict pattern was strongly shaped by individual differences. Individuals who always kept their promises did not show any signs of conflict (i.e., straight mouse trajectories), indicating that they were not tempted by the monetary benefits associated with breaking the promise. In contrast, individuals who did not always keep their promise exhibited a large conflict (i.e., curved mouse trajectories), irrespective of whether they broke or kept their promise. A possible interpretation of these findings is that these individuals were always tempted by the unchosen decision option – the desire to act in a fair manner when breaking the promise and the monetary benefits when keeping the promise. This study provides the first piece of evidence that there are substantial inter-individual differences in cognitive conflict dynamics that underlie the decision to keep or break promises and that mouse tracking is able to illuminate important insights into individual differences in complex human’s decision processes.
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Affiliation(s)
- Cinzia Calluso
- Department of Social Psychology and Social Neuroscience, Institute of Psychology, University of Bern, Bern, Switzerland.,Department of Business and Management, LUISS Guido Carli University, Rome, Italy
| | - Anne Saulin
- Department of Social Psychology and Social Neuroscience, Institute of Psychology, University of Bern, Bern, Switzerland
| | - Thomas Baumgartner
- Department of Social Psychology and Social Neuroscience, Institute of Psychology, University of Bern, Bern, Switzerland
| | - Daria Knoch
- Department of Social Psychology and Social Neuroscience, Institute of Psychology, University of Bern, Bern, Switzerland
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