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Schmuck J, Voltz E, Gibbons H. You're Beautiful When You Smile: Event-Related Brain Potential (ERP) Evidence of Early Opposite-Gender Bias in Happy Faces. Brain Sci 2024; 14:739. [PMID: 39199434 PMCID: PMC11353154 DOI: 10.3390/brainsci14080739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Revised: 07/18/2024] [Accepted: 07/22/2024] [Indexed: 09/01/2024] Open
Abstract
Studies of social cognition have shown gender differences regarding human face processing. One interesting finding is the enhanced processing of opposite-gender faces at different time stages, as revealed by event-related brain potentials. Crucially, from an evolutionary perspective, such a bias might interact with the emotional expression of the face. To investigate this, 100 participants (50 female, 50 male) completed an expression-detection task while their EEG was recorded. In three blocks, fearful, happy and neutral faces (female and male) were randomly presented, with participants instructed to respond to only one predefined target expression level in each block. Using linear mixed models, we observed both faster reaction times as well as larger P1 and late positive potential (LPP) amplitudes for women compared to men, supporting a generally greater female interest in faces. Highly interestingly, the analysis revealed an opposite-gender bias at P1 for happy target faces. This suggests that participants' attentional templates may include more opposite-gender facial features when selectively attending to happy faces. While N170 was influenced by neither the face nor the participant gender, LPP was modulated by the face gender and specific combinations of the target status, face gender and expression, which is interpreted in the context of gender-emotion stereotypes. Future research should further investigate this expression and attention dependency of early opposite-gender biases.
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Affiliation(s)
| | | | - Henning Gibbons
- Department of Psychology, University of Bonn, Kaiser-Karl-Ring 9, 53111 Bonn, Germany; (J.S.); (E.V.)
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2
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Li T, Liang Z, Yuan Y, Sommer W, Li W. The impact of facial attractiveness and alleged personality traits on fairness decisions in the ultimatum game: Evidence from ERPs. Biol Psychol 2024; 190:108809. [PMID: 38718883 DOI: 10.1016/j.biopsycho.2024.108809] [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: 02/25/2024] [Revised: 05/01/2024] [Accepted: 05/02/2024] [Indexed: 05/12/2024]
Abstract
In the mind of the beholder the personality and facial attractiveness of others are interrelated. However, how these specific properties are processed in the neurocognitive system and interact with each other while economic decisions are made is not well understood. Here, we combined the ultimatum game with EEG technology, to investigate how alleged personality traits and the perceived facial attractiveness of proposers of fair and unfair offers influence their acceptance by the responders. As expected, acceptance rate was higher for fair than unfair allocations. Overall, responders were more likely to accept proposals from individuals with higher facial attractiveness and with more positive personality traits. In ERPs, words denoting negative personality traits elicited larger P2 components than positive trait words, and more attractive faces elicited larger LPC amplitudes. Replicating previous findings, FRN amplitudes were larger to unfair than to fair allocations. This effect was diminished if the proposer's faces were attractive or associated with positive personality traits. Hence, facial attractiveness and the valence of personality traits seem to be evaluated independently and at different time points. Subsequent decision making about unfair offers is similarly influenced by high attractiveness and positive personality of the proposer, diminishing the negative response normally elicited by "unfair" proposals, possibly due a "reward" effect. In the ERPs to the proposals the effect of positive personality and attractiveness were seen in the FRN and P300 components but for positive personality traits the effect even preceded the FRN effect. Altogether, the present results indicate that both high facial attractiveness and alleged positive personality mitigate the effects of unfair proposals, with temporally overlapping but independent neurocognitive correlates.
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Affiliation(s)
- Tongjie Li
- Research Center of Brain and Cognitive Neuroscience, Liaoning Normal University, Dalian, China; Key Laboratory of Brain and Cognitive Neuroscience, Liaoning Province, China
| | - Zhiyong Liang
- Research Center of Brain and Cognitive Neuroscience, Liaoning Normal University, Dalian, China; Key Laboratory of Brain and Cognitive Neuroscience, Liaoning Province, China
| | - Yan Yuan
- Research Center of Brain and Cognitive Neuroscience, Liaoning Normal University, Dalian, China; Key Laboratory of Brain and Cognitive Neuroscience, Liaoning Province, China
| | - Werner Sommer
- Institut für Psychologie, Humboldt-Universität zu Berlin, Berlin, Germany; Department of Physics and Life Science Imaging Center, Hong Kong Baptist University, Hong Kong Special Administrativr Region of China; Faculty of Education, National University of Malaysia, Kuala Lumpur, Malaysia.
| | - Weijun Li
- Research Center of Brain and Cognitive Neuroscience, Liaoning Normal University, Dalian, China; Key Laboratory of Brain and Cognitive Neuroscience, Liaoning Province, China.
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3
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Birnbaum GE, Bachar T, Levy GF, Zholtack K, Reis HT. Put Me in Your Shoes: Does Perspective-Taking Inoculate Against the Appeal of Alternative Partners? JOURNAL OF SEX RESEARCH 2024; 61:936-945. [PMID: 36459596 DOI: 10.1080/00224499.2022.2150998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
People commit to monogamous relationships with the intent of maintaining sexual exclusivity but often fail to do so. Existing research has focused on individual and relationship characteristics that render relationships more vulnerable to infidelity, paying less attention to strategies that decrease the likelihood of straying. Three experiments investigated the impact of one strategy that might encourage people to enact relationship-protective responses toward alternative partners, perspective-taking. In all studies, participants either adopted the perspective of their partner or not and then evaluated, encountered, or thought about attractive strangers, in Studies 1-3, respectively. Participants' pro-relationship orientation and reactions during these experiences (interest in alternative and current partners, commitment to current relationships, and fantasmatic themes) were recorded. Results showed that perspective-taking decreased sexual and romantic interest in alternatives, while increasing commitment and desire for current partners. These findings suggest that partner perspective-taking discourages engagement in behaviors that may hurt partners and damage the relationship with them.
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Affiliation(s)
- Gurit E Birnbaum
- Baruch Ivcher School of Psychology, Reichman University (IDC, Herzliya)
| | - Tammy Bachar
- Baruch Ivcher School of Psychology, Reichman University (IDC, Herzliya)
| | - Gal F Levy
- Baruch Ivcher School of Psychology, Reichman University (IDC, Herzliya)
| | - Kobi Zholtack
- Baruch Ivcher School of Psychology, Reichman University (IDC, Herzliya)
| | - Harry T Reis
- Department of Psychology, University of Rochester
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4
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Song Y, Luximon Y. When Trustworthiness Meets Face: Facial Design for Social Robots. SENSORS (BASEL, SWITZERLAND) 2024; 24:4215. [PMID: 39000993 PMCID: PMC11244564 DOI: 10.3390/s24134215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 06/23/2024] [Accepted: 06/26/2024] [Indexed: 07/16/2024]
Abstract
As a technical application in artificial intelligence, a social robot is one of the branches of robotic studies that emphasizes socially communicating and interacting with human beings. Although both robot and behavior research have realized the significance of social robot design for its market success and related emotional benefit to users, the specific design of the eye and mouth shape of a social robot in eliciting trustworthiness has received only limited attention. In order to address this research gap, our study conducted a 2 (eye shape) × 3 (mouth shape) full factorial between-subject experiment. A total of 211 participants were recruited and randomly assigned to the six scenarios in the study. After exposure to the stimuli, perceived trustworthiness and robot attitude were measured accordingly. The results showed that round eyes (vs. narrow eyes) and an upturned-shape mouth or neutral mouth (vs. downturned-shape mouth) for social robots could significantly improve people's trustworthiness and attitude towards social robots. The effect of eye and mouth shape on robot attitude are all mediated by the perceived trustworthiness. Trustworthy human facial features could be applied to the robot's face, eliciting a similar trustworthiness perception and attitude. In addition to empirical contributions to HRI, this finding could shed light on the design practice for a trustworthy-looking social robot.
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Affiliation(s)
- Yao Song
- College of Literature and Journalism, Sichuan University, Chengdu 610065, China;
- Digital Convergence Laboratory of Chinese Cultural Inheritance and Global Communication, Sichuan University, Chengdu 610065, China
- School of Design, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Yan Luximon
- School of Design, The Hong Kong Polytechnic University, Hong Kong 999077, China
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5
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Bari S, Kim BW, Vike NL, Lalvani S, Stefanopoulos L, Maglaveras N, Block M, Strawn J, Katsaggelos AK, Breiter HC. A novel approach to anxiety level prediction using small sets of judgment and survey variables. NPJ MENTAL HEALTH RESEARCH 2024; 3:29. [PMID: 38890545 PMCID: PMC11189415 DOI: 10.1038/s44184-024-00074-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 05/16/2024] [Indexed: 06/20/2024]
Abstract
Anxiety, a condition characterized by intense fear and persistent worry, affects millions each year and, when severe, is distressing and functionally impairing. Numerous machine learning frameworks have been developed and tested to predict features of anxiety and anxiety traits. This study extended these approaches by using a small set of interpretable judgment variables (n = 15) and contextual variables (demographics, perceived loneliness, COVID-19 history) to (1) understand the relationships between these variables and (2) develop a framework to predict anxiety levels [derived from the State Trait Anxiety Inventory (STAI)]. This set of 15 judgment variables, including loss aversion and risk aversion, models biases in reward/aversion judgments extracted from an unsupervised, short (2-3 min) picture rating task (using the International Affective Picture System) that can be completed on a smartphone. The study cohort consisted of 3476 de-identified adult participants from across the United States who were recruited using an email survey database. Using a balanced Random Forest approach with these judgment and contextual variables, STAI-derived anxiety levels were predicted with up to 81% accuracy and 0.71 AUC ROC. Normalized Gini scores showed that the most important predictors (age, loneliness, household income, employment status) contributed a total of 29-31% of the cumulative relative importance and up to 61% was contributed by judgment variables. Mediation/moderation statistics revealed that the interactions between judgment and contextual variables appears to be important for accurately predicting anxiety levels. Median shifts in judgment variables described a behavioral profile for individuals with higher anxiety levels that was characterized by less resilience, more avoidance, and more indifference behavior. This study supports the hypothesis that distinct constellations of 15 interpretable judgment variables, along with contextual variables, could yield an efficient and highly scalable system for mental health assessment. These results contribute to our understanding of underlying psychological processes that are necessary to characterize what causes variance in anxiety conditions and its behaviors, which can impact treatment development and efficacy.
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Affiliation(s)
- Sumra Bari
- Department of Computer Science, University of Cincinnati, Cincinnati, OH, USA
| | - Byoung-Woo Kim
- Department of Computer Science, University of Cincinnati, Cincinnati, OH, USA
| | - Nicole L Vike
- Department of Computer Science, University of Cincinnati, Cincinnati, OH, USA
| | - Shamal Lalvani
- Department of Electrical Engineering, Northwestern University, Evanston, IL, USA
| | - Leandros Stefanopoulos
- Department of Electrical Engineering, Northwestern University, Evanston, IL, USA
- Laboratory of Medical Informatics, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Nicos Maglaveras
- Laboratory of Medical Informatics, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Martin Block
- Integrated Marketing Communications, Medill School of Journalism, Northwestern University, Evanston, IL, USA
| | - Jeffrey Strawn
- Department of Psychiatry and Behavioral Neuroscience, College of Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Aggelos K Katsaggelos
- Department of Electrical Engineering, Northwestern University, Evanston, IL, USA
- Department of Computer Science, Northwestern University, Evanston, IL, USA
- Department of Radiology, Northwestern University, Chicago, IL, USA
| | - Hans C Breiter
- Department of Computer Science, University of Cincinnati, Cincinnati, OH, USA.
- Department of Biomedical Engineering, University of Cincinnati, Cincinnati, OH, USA.
- Department of Psychiatry, Massachusetts General Hospital and Harvard School of Medicine, Boston, MA, USA.
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Miotti G, De Marco L, Quaglia D, Grando M, Salati C, Spadea L, Gagliano C, Musa M, Surico PL, Parodi PC, Zeppieri M. Fat or fillers: The dilemma in eyelid surgery. World J Clin Cases 2024; 12:2951-2965. [PMID: 38898854 PMCID: PMC11185368 DOI: 10.12998/wjcc.v12.i17.2951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/22/2024] [Accepted: 05/11/2024] [Indexed: 06/04/2024] Open
Abstract
The aging of the periocular region has always aroused great interest. A fresh, young, and attractive sight determined an ever-greater attention to surgical and non-surgical techniques to obtain this result. In particular, the change in the concept of a young look, considered then "full", led to the increasing use of surgical (fat grafting) or medical (hyaluronic acid) filling techniques. Eyelid rejuvenation became increasingly popular in the field of cosmetic treatments, with a focus on achieving a youthful and refreshed appearance. Among the various techniques available, the choice between using fat grafting or fillers presented a clinical dilemma. In particular, what surgery considered of fundamental importance was a long-lasting result over time. On the other hand, aesthetic medicine considered it fundamental not to have to resort to invasive treatments. But what was the reality? Was there one path better than the other, and above all, was there a better path for patients? The minireview aims to explore the physiopathology, diagnosis, treatment options, prognosis, and future studies regarding this dilemma. We analyzed the literature produced in the last 20 years comparing the two techniques. Current literature reveals advancements in biomaterials, stem cell research and tissue engineering held promise for further enhancing the field of eyelid rejuvenation. The choice between fat grafting and fillers in eyelid cosmetic treatments presented a clinical dilemma. Understanding physiopathology, accurately diagnosing eyelid aging, exploring treatment options, assessing prognosis, and conducting future studies were essential for providing optimal care to patients seeking eyelid rejuvenation.
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Affiliation(s)
- Giovanni Miotti
- Department of Plastic Surgery, University Hospital of Udine, Udine 33100, Italy
| | - Luca De Marco
- Department of Plastic Surgery, University Hospital of Udine, Udine 33100, Italy
| | - Davide Quaglia
- Department of Plastic Surgery, University Hospital of Udine, Udine 33100, Italy
| | - Martina Grando
- Department of Internal Medicine, Azienda Sanitaria Friuli Occidentale, San Vito al Tagliamento 33078, Italy
| | - Carlo Salati
- Department of Ophthalmology, University Hospital of Udine, Udine 33100, Italy
| | - Leopoldo Spadea
- Eye Clinic, Policlinico Umberto I, “Sapienza” University of Rome, Rome 00142, Italy
| | - Caterina Gagliano
- Department of Medicine and Surgery, University of Enna “Kore”, Enna 94100, Italy
- Eye Clinic Catania University San Marco Hospital, Viale Carlo Azeglio Ciampi, Catania 95121, Italy
| | - Mutali Musa
- Department of Optometry, University of Benin, Benin 300283, Nigeria
- Department of Ophthalmology, Africa Eye Laser Centre, Km 7, Benin 300105, Nigeria
| | - Pier Luigi Surico
- Schepens Eye Research Institute of Mass Eye and Ear, Harvard Medical School, Boston, MA 02114, United States
| | - Pier Camillo Parodi
- Department of Plastic Surgery, University Hospital of Udine, Udine 33100, Italy
| | - Marco Zeppieri
- Department of Ophthalmology, University Hospital of Udine, Udine 33100, Italy
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7
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Heerey EA, Clerke AS, Johnson NJ, Patenaude J. The subjective value of genuine smiles guides real-world social behaviour. PLoS One 2024; 19:e0304726. [PMID: 38861570 PMCID: PMC11166336 DOI: 10.1371/journal.pone.0304726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 05/16/2024] [Indexed: 06/13/2024] Open
Abstract
The mechanisms that underpin human social behaviour are poorly understood, in part because natural social behaviour is challenging to study. The task of linking the mechanisms thought to drive social behaviour to specific social behaviours in a manner that maintains ecological validity poses an even greater challenge. Here we report evidence that the subjective value people assign to genuine smiles, as measured in the laboratory, determines their responsiveness to genuine smiles encountered in a naturalistic social interaction. Specifically, participants (university undergraduates; age 17 to 36) who valued genuine smiles to a greater degree also showed stronger attention capture effects to neutral faces that were previously associated with genuine smiles and faster reciprocity of a social partner's smiles in a real social interaction. Additionally, the faster participants responded to the partner's genuine smiles the higher the partner's ratings of interaction quality were after the interaction. These data suggest that individual differences in subjective value of genuine smiles, measured in the lab, is one element that underpins responsiveness to natural genuine smiles and subsequent social outcomes.
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Affiliation(s)
- Erin A. Heerey
- Department of Psychology, The University of Western Ontario, London, ON, Canada
| | - Alexa S. Clerke
- Department of Psychology, The University of Western Ontario, London, ON, Canada
| | | | - Joshua Patenaude
- Department of Psychology, The University of Western Ontario, London, ON, Canada
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8
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Lewis AF, Bohnenkamp R, Myers M, den Ouden DB, Fritz SL, Stewart JC. Effect of positive social comparative feedback on the resting state connectivity of dopaminergic neural pathways: A preliminary investigation. Neurobiol Learn Mem 2024; 212:107930. [PMID: 38692391 DOI: 10.1016/j.nlm.2024.107930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 04/17/2024] [Accepted: 04/28/2024] [Indexed: 05/03/2024]
Abstract
Positive social comparative feedback is hypothesized to generate a dopamine response in the brain, similar to reward, by enhancing expectancies to support motor skill learning. However, no studies have utilized neuroimaging to examine this hypothesized dopaminergic mechanism. Therefore, the aim of this preliminary study was to investigate the effect of positive social comparative feedback on dopaminergic neural pathways measured by resting state connectivity. Thirty individuals practiced an implicit, motor sequence learning task and were assigned to groups that differed in feedback type. One group received feedback about their actual response time to complete the task (RT ONLY), while the other group received feedback about their response time with positive social comparison (RT + POS). Magnetic resonance imaging was acquired at the beginning and end of repetitive motor practice with feedback to measure practice-dependent changes in resting state brain connectivity. While both groups showed improvements in task performance and increases in performance expectancies, ventral tegmental area and the left nucleus accumbens (mesolimbic dopamine pathway) resting state connectivity increased in the RT + POS group but not in the RT ONLY group. Instead, the RT ONLY group showed increased connectivity between ventral tegmental area and primary motor cortex. Positive social comparative feedback during practice of a motor sequence task may induce a dopaminergic response in the brain along the mesolimbic pathway. However, given that absence of effects on expectancies and motor learning, more robust and individualized approaches may be needed to provide beneficial psychological and behavioral effects.
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Affiliation(s)
- Allison F Lewis
- University of South Carolina, Department of Exercise Science, Columbia, SC, USA
| | - Rachel Bohnenkamp
- University of South Carolina, Department of Exercise Science, Columbia, SC, USA
| | - Makenzie Myers
- University of South Carolina, Department of Exercise Science, Columbia, SC, USA
| | - Dirk B den Ouden
- University of South Carolina, Department of Communication Sciences and Disorders, Columbia, SC, USA
| | - Stacy L Fritz
- University of South Carolina, Department of Exercise Science, Columbia, SC, USA
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9
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Vike NL, Bari S, Stefanopoulos L, Lalvani S, Kim BW, Maglaveras N, Block M, Breiter HC, Katsaggelos AK. Predicting COVID-19 Vaccination Uptake Using a Small and Interpretable Set of Judgment and Demographic Variables: Cross-Sectional Cognitive Science Study. JMIR Public Health Surveill 2024; 10:e47979. [PMID: 38315620 PMCID: PMC10953811 DOI: 10.2196/47979] [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: 04/11/2023] [Revised: 08/08/2023] [Accepted: 01/10/2024] [Indexed: 02/07/2024] Open
Abstract
BACKGROUND Despite COVID-19 vaccine mandates, many chose to forgo vaccination, raising questions about the psychology underlying how judgment affects these choices. Research shows that reward and aversion judgments are important for vaccination choice; however, no studies have integrated such cognitive science with machine learning to predict COVID-19 vaccine uptake. OBJECTIVE This study aims to determine the predictive power of a small but interpretable set of judgment variables using 3 machine learning algorithms to predict COVID-19 vaccine uptake and interpret what profile of judgment variables was important for prediction. METHODS We surveyed 3476 adults across the United States in December 2021. Participants answered demographic, COVID-19 vaccine uptake (ie, whether participants were fully vaccinated), and COVID-19 precaution questions. Participants also completed a picture-rating task using images from the International Affective Picture System. Images were rated on a Likert-type scale to calibrate the degree of liking and disliking. Ratings were computationally modeled using relative preference theory to produce a set of graphs for each participant (minimum R2>0.8). In total, 15 judgment features were extracted from these graphs, 2 being analogous to risk and loss aversion from behavioral economics. These judgment variables, along with demographics, were compared between those who were fully vaccinated and those who were not. In total, 3 machine learning approaches (random forest, balanced random forest [BRF], and logistic regression) were used to test how well judgment, demographic, and COVID-19 precaution variables predicted vaccine uptake. Mediation and moderation were implemented to assess statistical mechanisms underlying successful prediction. RESULTS Age, income, marital status, employment status, ethnicity, educational level, and sex differed by vaccine uptake (Wilcoxon rank sum and chi-square P<.001). Most judgment variables also differed by vaccine uptake (Wilcoxon rank sum P<.05). A similar area under the receiver operating characteristic curve (AUROC) was achieved by the 3 machine learning frameworks, although random forest and logistic regression produced specificities between 30% and 38% (vs 74.2% for BRF), indicating a lower performance in predicting unvaccinated participants. BRF achieved high precision (87.8%) and AUROC (79%) with moderate to high accuracy (70.8%) and balanced recall (69.6%) and specificity (74.2%). It should be noted that, for BRF, the negative predictive value was <50% despite good specificity. For BRF and random forest, 63% to 75% of the feature importance came from the 15 judgment variables. Furthermore, age, income, and educational level mediated relationships between judgment variables and vaccine uptake. CONCLUSIONS The findings demonstrate the underlying importance of judgment variables for vaccine choice and uptake, suggesting that vaccine education and messaging might target varying judgment profiles to improve uptake. These methods could also be used to aid vaccine rollouts and health care preparedness by providing location-specific details (eg, identifying areas that may experience low vaccination and high hospitalization).
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Affiliation(s)
- Nicole L Vike
- Department of Computer Science, University of Cincinnati, Cincinnati, OH, United States
| | - Sumra Bari
- Department of Computer Science, University of Cincinnati, Cincinnati, OH, United States
| | - Leandros Stefanopoulos
- Department of Electrical and Computer Engineering, Northwestern University, Evanston, IL, United States
- School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Shamal Lalvani
- Department of Electrical and Computer Engineering, Northwestern University, Evanston, IL, United States
| | - Byoung Woo Kim
- Department of Computer Science, University of Cincinnati, Cincinnati, OH, United States
| | - Nicos Maglaveras
- School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Martin Block
- Integrated Marketing Communications, Medill School, Northwestern University, Evanston, IL, United States
| | - Hans C Breiter
- Department of Computer Science, University of Cincinnati, Cincinnati, OH, United States
- Department of Psychiatry, Massachusetts General Hospital, Harvard School of Medicine, Boston, MA, United States
| | - Aggelos K Katsaggelos
- Department of Electrical and Computer Engineering, Northwestern University, Evanston, IL, United States
- Department of Computer Science, Northwestern University, Evanston, IL, United States
- Department of Radiology, Northwestern University, Evanston, IL, United States
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10
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Vike NL, Bari S, Kim BW, Katsaggelos AK, Blood AJ, Breiter HC. Characterizing major depressive disorder and substance use disorder using heatmaps and variable interactions: The utility of operant behavior and brain structure relationships. PLoS One 2024; 19:e0299528. [PMID: 38466739 PMCID: PMC10927130 DOI: 10.1371/journal.pone.0299528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 02/13/2024] [Indexed: 03/13/2024] Open
Abstract
BACKGROUND Rates of depression and addiction have risen drastically over the past decade, but the lack of integrative techniques remains a barrier to accurate diagnoses of these mental illnesses. Changes in reward/aversion behavior and corresponding brain structures have been identified in those with major depressive disorder (MDD) and cocaine-dependence polysubstance abuse disorder (CD). Assessment of statistical interactions between computational behavior and brain structure may quantitatively segregate MDD and CD. METHODS Here, 111 participants [40 controls (CTRL), 25 MDD, 46 CD] underwent structural brain MRI and completed an operant keypress task to produce computational judgment metrics. Three analyses were performed: (1) linear regression to evaluate groupwise (CTRL v. MDD v. CD) differences in structure-behavior associations, (2) qualitative and quantitative heatmap assessment of structure-behavior association patterns, and (3) the k-nearest neighbor machine learning approach using brain structure and keypress variable inputs to discriminate groups. RESULTS This study yielded three primary findings. First, CTRL, MDD, and CD participants had distinct structure-behavior linear relationships, with only 7.8% of associations overlapping between any two groups. Second, the three groups had statistically distinct slopes and qualitatively distinct association patterns. Third, a machine learning approach could discriminate between CTRL and CD, but not MDD participants. CONCLUSIONS These findings demonstrate that variable interactions between computational behavior and brain structure, and the patterns of these interactions, segregate MDD and CD. This work raises the hypothesis that analysis of interactions between operant tasks and structural neuroimaging might aide in the objective classification of MDD, CD and other mental health conditions.
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Affiliation(s)
- Nicole L. Vike
- Department of Computer Science, University of Cincinnati, Cincinnati, Ohio, United States of America
| | - Sumra Bari
- Department of Computer Science, University of Cincinnati, Cincinnati, Ohio, United States of America
| | - Byoung Woo Kim
- Department of Computer Science, University of Cincinnati, Cincinnati, Ohio, United States of America
| | - Aggelos K. Katsaggelos
- Department of Electrical and Computer Engineering, Northwestern University, Evanston, Illinois, United States of America
- Department of Computer Science, Northwestern University, Evanston, Illinois, United States of America
- Department of Radiology, Northwestern University, Chicago, Illinois, United States of America
| | - Anne J. Blood
- Department of Psychiatry, Mood and Motor Control Laboratory (MAML), Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
- Department of Psychiatry, Laboratory of Neuroimaging and Genetics, Massachusetts General Hospital and Harvard School of Medicine, Boston, Massachusetts, United States of America
| | - Hans C. Breiter
- Department of Computer Science, University of Cincinnati, Cincinnati, Ohio, United States of America
- Department of Psychiatry, Mood and Motor Control Laboratory (MAML), Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
- Department of Psychiatry, Laboratory of Neuroimaging and Genetics, Massachusetts General Hospital and Harvard School of Medicine, Boston, Massachusetts, United States of America
- Department of Biomedical Engineering, University of Cincinnati, Cincinnati, Ohio, United States of America
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11
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Cho E, Yoon SA, Park HJ. Neural processing of prototypicality and simplicity of product design in forming design preferences. PLoS One 2024; 19:e0297148. [PMID: 38241423 PMCID: PMC10798453 DOI: 10.1371/journal.pone.0297148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 12/28/2023] [Indexed: 01/21/2024] Open
Abstract
The current study investigates the neural correlates when processing prototypicality and simplicity-affecting the preference of product design. Despite its significance, not much is known about how our brain processes these visual qualities of design when forming design preferences. We posit that, although fluency is the perceptual judgment accounting for the positive effects of both prototypicality and simplicity on design preference, the neural substrates for the fluency judgment associated with prototypicality would differ from those associated with simplicity. To investigate these issues, we conducted an fMRI study of preference decisions for actual product designs with different levels of prototypicality and simplicity. The results show a significant functional gradient between the preference processing of simplicity and prototypicality-i.e., involvement of the early ventral stream of visual information processing for simplicity evaluation but recruitment of the late ventral stream and parietal-frontal brain regions for prototypicality evaluation. The interaction between the simplicity and prototypicality evaluations was found in the extrastriate cortex in the right hemisphere. The segregated brain involvements suggest that the fluency judgment for prototypicality and simplicity contribute to preference choice in different levels of cognitive hierarchy in the perceptual mechanism of the design preference.
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Affiliation(s)
- Erin Cho
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Shin-Ae Yoon
- Department of Media and Communication, Konkuk University, Seoul, South Korea
- Department of Cognitive Science, Yonsei University, Seoul, South Korea
| | - Hae-Jeong Park
- Department of Cognitive Science, Yonsei University, Seoul, South Korea
- Department of Nuclear Medicine, Department of Psychiatry, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea
- Institute of Human Complexity and Systems Science, Center for Systems and Translational Brain Sciences, InYonsei University, Seoul, Republic of Korea
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12
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Patel B, Koysombat K, Mills EG, Tsoutsouki J, Comninos AN, Abbara A, Dhillo WS. The Emerging Therapeutic Potential of Kisspeptin and Neurokinin B. Endocr Rev 2024; 45:30-68. [PMID: 37467734 PMCID: PMC10765167 DOI: 10.1210/endrev/bnad023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 06/13/2023] [Accepted: 07/11/2023] [Indexed: 07/21/2023]
Abstract
Kisspeptin (KP) and neurokinin B (NKB) are neuropeptides that govern the reproductive endocrine axis through regulating hypothalamic gonadotropin-releasing hormone (GnRH) neuronal activity and pulsatile GnRH secretion. Their critical role in reproductive health was first identified after inactivating variants in genes encoding for KP or NKB signaling were shown to result in congenital hypogonadotropic hypogonadism and a failure of pubertal development. Over the past 2 decades since their discovery, a wealth of evidence from both basic and translational research has laid the foundation for potential therapeutic applications. Beyond KP's function in the hypothalamus, it is also expressed in the placenta, liver, pancreas, adipose tissue, bone, and limbic regions, giving rise to several avenues of research for use in the diagnosis and treatment of pregnancy, metabolic, liver, bone, and behavioral disorders. The role played by NKB in stimulating the hypothalamic thermoregulatory center to mediate menopausal hot flashes has led to the development of medications that antagonize its action as a novel nonsteroidal therapeutic agent for this indication. Furthermore, the ability of NKB antagonism to partially suppress (but not abolish) the reproductive endocrine axis has supported its potential use for the treatment of various reproductive disorders including polycystic ovary syndrome, uterine fibroids, and endometriosis. This review will provide a comprehensive up-to-date overview of the preclinical and clinical data that have paved the way for the development of diagnostic and therapeutic applications of KP and NKB.
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Affiliation(s)
- Bijal Patel
- Section of Investigative Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College School of Medicine, Imperial College London, London, W12 0NN, UK
| | - Kanyada Koysombat
- Section of Investigative Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College School of Medicine, Imperial College London, London, W12 0NN, UK
- Department of Diabetes and Endocrinology, Imperial College Healthcare NHS Trust, 72 Du Cane Rd, London, W12 0HS, UK
| | - Edouard G Mills
- Section of Investigative Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College School of Medicine, Imperial College London, London, W12 0NN, UK
- Department of Diabetes and Endocrinology, Imperial College Healthcare NHS Trust, 72 Du Cane Rd, London, W12 0HS, UK
| | - Jovanna Tsoutsouki
- Section of Investigative Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College School of Medicine, Imperial College London, London, W12 0NN, UK
| | - Alexander N Comninos
- Section of Investigative Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College School of Medicine, Imperial College London, London, W12 0NN, UK
- Department of Diabetes and Endocrinology, Imperial College Healthcare NHS Trust, 72 Du Cane Rd, London, W12 0HS, UK
| | - Ali Abbara
- Section of Investigative Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College School of Medicine, Imperial College London, London, W12 0NN, UK
- Department of Diabetes and Endocrinology, Imperial College Healthcare NHS Trust, 72 Du Cane Rd, London, W12 0HS, UK
| | - Waljit S Dhillo
- Section of Investigative Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College School of Medicine, Imperial College London, London, W12 0NN, UK
- Department of Diabetes and Endocrinology, Imperial College Healthcare NHS Trust, 72 Du Cane Rd, London, W12 0HS, UK
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13
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Valuch C, Pelowski M, Peltoketo VT, Hakala J, Leder H. Let's put a smile on that face-A positive facial expression improves aesthetics of portrait photographs. ROYAL SOCIETY OPEN SCIENCE 2023; 10:230413. [PMID: 37885994 PMCID: PMC10598417 DOI: 10.1098/rsos.230413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 10/02/2023] [Indexed: 10/28/2023]
Abstract
In today's age of social media and smartphones, portraits-such as selfies or pictures of friends and family-are very frequently produced, shared and viewed images. Despite their prevalence, the psychological factors that characterize a 'good' photo-one that people will generally like, keep, and think is especially aesthetically pleasing-are not well understood. Here, we studied how a subtle change in facial expression (smiling) in portraits determines their aesthetic image value (beyond a more positive appearance of the depicted person). We used AI-based image processing tools in a broad set of portrait photographs and generated neutral and slightly smiling versions of the same pictures. Consistent across two experiments, portraits with a subtle smile increased both spontaneous aesthetic preferences in a swiping task as well as improving more explicit aesthetic ratings after prolonged viewing. Participants distinguished between aspects associated with image beauty and the depicted person's attractiveness, resulting in specific interactions between variables related to participant traits, image content, and task. Our study confirms that a subtle-and in this case fully artificial-smile reliably increases the aesthetic quality of portraits, illustrating how current image processing methods can target psychologically important variables and thereby increase the aesthetic value of photographs.
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Affiliation(s)
| | - Matthew Pelowski
- Faculty of Psychology, University of Vienna, Vienna, Austria
- Vienna Cognitive Science Hub, University of Vienna, Vienna, Austria
| | | | - Jussi Hakala
- Huawei Technologies Oy (Finland) Co. Ltd, Tampere, Finland
| | - Helmut Leder
- Faculty of Psychology, University of Vienna, Vienna, Austria
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14
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Johansson C, Folgerø PO. A Face to Love or Trust. Behav Sci (Basel) 2023; 13:494. [PMID: 37366745 DOI: 10.3390/bs13060494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 06/02/2023] [Accepted: 06/08/2023] [Indexed: 06/28/2023] Open
Abstract
This article demonstrates the use of a card sorting game that is suitable for field studies. Subjective judgment in face perception is studied by sorting faces based on attractiveness or trustworthiness. Are beautiful people also trustworthy, or does beauty come with a price? Our first hypothesis is that the two conditions like and trust are different. We investigate this using a sorting game, where participants are asked to sort 27 semi-artificial portraits according to how much they like or trust the faces. The faces are in two different conditions: prototypes and individualized prototypes. Our participants were consistent in their judgments. Participants claim to have reacted to small inconsistencies in facial expressions in the trust condition, and we investigate the relation to anatomical features using a model and Correspondence Analysis.
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Affiliation(s)
- Christer Johansson
- Department of Linguistic Literary and Aesthetic Studies, University of Bergen, 5007 Bergen, Norway
| | - Per Olav Folgerø
- Department of Linguistic Literary and Aesthetic Studies, University of Bergen, 5007 Bergen, Norway
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15
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Hou X, Shang J, Tong S. Neural Mechanisms of the Conscious and Subliminal Processing of Facial Attractiveness. Brain Sci 2023; 13:855. [PMID: 37371335 DOI: 10.3390/brainsci13060855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 05/22/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
The purpose of this study was to investigate the neural activity evoked by facial attractiveness in conscious and subliminal conditions. The 41 participants judged facial attractiveness in a conscious condition and a subliminal condition (backward masking paradigm). The event-related potential (ERP) analysis indicated that in the conscious condition, more attractive faces elicited a longer N1 (80-120 ms) latency than less attractive faces. Moreover, more attractive female faces elicited a larger late positive component (LPC) (350-550 ms) amplitude than less attractive female faces. In the subliminal condition, more attractive faces elicited a longer P1 (140-180 ms) latency than less attractive faces. The present study demonstrated that more attractive faces evoked different early-stage ERPs from that evoked by less attractive faces in both conscious and subliminal conditions. However, the processing of facial attractiveness is obviously weakened in the subliminal condition.
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Affiliation(s)
- Xuejiao Hou
- College of Education, Suihua University, Suihua 152061, China
| | - Junchen Shang
- Department of Medical Humanities, School of Humanities, Southeast University, Nanjing 211189, China
- College of Psychology, Liaoning Normal University, Dalian 116029, China
| | - Shuo Tong
- Beijing Key Laboratory of Learning and Cognition, School of Psychology, Capital Normal University, Beijing 100048, China
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16
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Milani S, Armstrong T, Dalmaijer E, Anwyl-Irvine A, Dawson SJ. Examining Attentional Biases Elicited by Sexual Stimuli Using MouseView.js: An Online Paradigm to Mimic Eye Movements. JOURNAL OF SEX RESEARCH 2023:1-14. [PMID: 37220115 DOI: 10.1080/00224499.2023.2209792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Attention is a key mechanism underlying many aspects of sexuality, with eye-tracking studies revealing that attention is both sustained by sexual stimuli and corresponds with sexual interest. Despite its utility, eye-tracking experiments typically require specialized equipment and are conducted in a laboratory setting. The overarching objective of this research was to assess the utility of a novel online method, MouseView.js, for assessing attentional processing of sexual stimuli outside of a laboratory context. MouseView.js is an open-source, web-based application where the display is blurred to mimic peripheral vision and an aperture is directed using a mouse cursor to fixate on regions of interest within the display. Using a discovery (Study 1, n = 239) and replication (Study 2, n = 483) design, we examined attentional biases to sexual stimuli among two diverse samples with respect to gender/sex and sexual orientation. Results revealed strong attentional biases toward processing sexual stimuli relative to nonsexual stimuli, as well as dwell times that correlated with self-report sexuality measures. Results mirror those observed for laboratory-based eye-tracking research, but using a freely available instrument that mirrors gaze tracking. MouseView.js offers important advantages to traditional eye-tracking methods, including the ability to recruit larger and more diverse samples, and minimizes volunteer biases.
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Affiliation(s)
- Sonia Milani
- Department of Psychology, University of British Columbia
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17
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Starr GG. Aesthetic experience models human learning. Front Hum Neurosci 2023; 17:1146083. [PMID: 37200953 PMCID: PMC10185790 DOI: 10.3389/fnhum.2023.1146083] [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: 01/16/2023] [Accepted: 04/11/2023] [Indexed: 05/20/2023] Open
Abstract
Aesthetic experiences have the potential to promote learning and creativity by enhancing the ability to understand complexity and to integrate novel or disparate information. Offering a theoretical framework for understanding the cognitive benefits of aesthetic experiences, this paper argues they are the necessary outcome of human learning, in which natural objects or artworks are evaluated in a multi-dimensional preference space shaped by Bayesian prediction. In addition, it contends that the brain-states underlying aesthetic experiences harness configurations of the apex three transmodal neural systems-the default mode network, the central executive network, and the salience network-that may offer information-processing advantages by recruiting the brain's high-power communication hubs, thus enhancing potential for learning gain.
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Affiliation(s)
- G. Gabrielle Starr
- Department of Neuroscience and English, Pomona College, Claremont, CA, United States
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18
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Marschallek BE, Löw A, Jacobsen T. You can touch this! Brain correlates of aesthetic processing of active fingertip exploration of material surfaces. Neuropsychologia 2023; 182:108520. [PMID: 36813106 DOI: 10.1016/j.neuropsychologia.2023.108520] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 01/18/2023] [Accepted: 02/17/2023] [Indexed: 02/22/2023]
Abstract
The haptic exploration and aesthetic processing of all kinds of materials' surfaces are part of everyday life. In the present study, functional near-infrared spectroscopy (fNIRS) was used to investigate the brain correlates of active fingertip exploration of material surfaces and subsequent aesthetic judgments of their pleasantness (feels good or bad?). In absence of other sensory modalities, individuals (n = 21) performed lateral movements on a total of 48 textile and wood surfaces varying in terms of their roughness. Behavioral results confirmed the influence of the stimuli's roughness on aesthetic judgments, with smoother textures being rated as feeling better than rough textures. At the neural level, fNIRS activation results revealed an overall increased engagement of the contralateral sensorimotor areas as well as left prefrontal areas. Moreover, the perceived pleasantness modulated specific activations of left prefrontal areas with increasing pleasantness showing greater activations of these regions. Interestingly, this positive relationship between the individual aesthetic judgments and brain activity was most pronounced for smooth woods. These results demonstrate that positively valenced touch by actively exploring material surfaces is linked to left prefrontal activity and extend previous findings of affective touch underlying passive movements on hairy skin. We suggest that fNIRS can be a valuable tool to provide new insights in the field of experimental aesthetics.
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Affiliation(s)
- Barbara E Marschallek
- Experimental Psychology Unit, Helmut Schmidt University/University of the Federal Armed Forces Hamburg, Postbox 700822, 22008, Hamburg, Germany.
| | - Andreas Löw
- Experimental Psychology Unit, Helmut Schmidt University/University of the Federal Armed Forces Hamburg, Postbox 700822, 22008, Hamburg, Germany.
| | - Thomas Jacobsen
- Experimental Psychology Unit, Helmut Schmidt University/University of the Federal Armed Forces Hamburg, Postbox 700822, 22008, Hamburg, Germany.
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19
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Behavioral and physiological sensitivity to natural sick faces. Brain Behav Immun 2023; 110:195-211. [PMID: 36893923 DOI: 10.1016/j.bbi.2023.03.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 03/03/2023] [Accepted: 03/03/2023] [Indexed: 03/11/2023] Open
Abstract
The capacity to rapidly detect and avoid sick people may be adaptive. Given that faces are reliably available, as well as rapidly detected and processed, they may provide health information that influences social interaction. Prior studies used faces that were manipulated to appear sick (e.g., editing photos, inducing inflammatory response); however, responses to naturally sick faces remain largely unexplored. We tested whether adults detected subtle cues of genuine, acute, potentially contagious illness in face photos compared to the same individuals when healthy. We tracked illness symptoms and severity with the Sickness Questionnaire and Common Cold Questionnaire. We also checked that sick and healthy photos were matched on low-level features. We found that participants (N = 109) rated sick faces, compared to healthy faces, as sicker, more dangerous, and eliciting more unpleasant feelings. Participants (N = 90) rated sick faces as more likely to be avoided, more tired, and more negative in expression than healthy faces. In a passive-viewing eye-tracking task, participants (N = 50) looked longer at healthy than sick faces, especially the eye region, suggesting people may be more drawn to healthy conspecifics. When making approach-avoidance decisions, participants (N = 112) had greater pupil dilation to sick than healthy faces, and more pupil dilation was associated with greater avoidance, suggesting elevated arousal to threat. Across all experiments, participants' behaviors correlated with the degree of sickness, as reported by the face donors, suggesting a nuanced, fine-tuned sensitivity. Together, these findings suggest that humans may detect subtle threats of contagion from sick faces, which may facilitate illness avoidance. By better understanding how humans naturally avoid illness in conspecifics, we may identify what information is used and ultimately improve public health.
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20
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Zaidel DW. The art of film: Perspective on neural clues to repeated attraction to movie watching. Neuropsychologia 2023; 180:108485. [PMID: 36680933 DOI: 10.1016/j.neuropsychologia.2023.108485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 01/04/2023] [Accepted: 01/14/2023] [Indexed: 01/20/2023]
Abstract
This article about possible neural underpinning of repeated attraction to watching movies is dedicated to the memory of Prof. Eran Zaidel, who made outstanding contributions to neuroscience (and loved watching movies). The film is an art form crafted by multiple artists from diverse fields, contributing specialized skills, talents, and creativity to the final product. Attention-attraction to all artworks has deep biological roots. Movies have been attracting audiences repeatedly ever since they were introduced over 100 years ago. Although countless studies analyzed the nature of the art, the neural underpinning of repeated attraction to viewing movies has been understudied. Here, clues gleaned from non-film findings are proposed. The perspective suggests that functions of the mesolimbic "reward pathway" associated with pleasure and joy, the brain regions responding to facial beauty, to pictorial art aesthetics, and to music listening with increased dopamine levels are all recruited in the repeated attraction.
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Affiliation(s)
- D W Zaidel
- Dept. of Psychology, Behavioral Neuroscience, University of California, Los Angeles (UCLA), Los Angeles, CA, USA.
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21
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Gutentag T, Tamir M. Putting Effort into Emotion Regulation: Manipulating Desirability and Motivational Strength. AFFECTIVE SCIENCE 2022; 3:878-893. [PMID: 36519146 PMCID: PMC9743940 DOI: 10.1007/s42761-022-00155-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 09/15/2022] [Indexed: 06/17/2023]
Abstract
Although people often want to regulate their emotions, they are sometimes reluctant to invest the necessary effort in doing so. We propose that people could be motivated to invest effort in emotion regulation, by rendering the target emotional state more desirable. Rendering an emotion goal more desirable can motivate people to invest effort in emotion regulation, ultimately facilitating successful emotion regulation. In three studies (N = 452), we show that both inside and outside the lab, rendering calmness more desirable, boosted the motivational strength to increase calmness, increasing the effort people invested to increase calmness, and ultimately made people calmer. This investigation points to the importance of motivational strength as a potential means to promote effort and success in emotion regulation. Supplementary Information The online version contains supplementary material available at 10.1007/s42761-022-00155-0.
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Affiliation(s)
- Tony Gutentag
- Department of Psychology, The Hebrew University of Jerusalem, 91905 Jerusalem, Israel
| | - Maya Tamir
- Department of Psychology, The Hebrew University of Jerusalem, 91905 Jerusalem, Israel
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22
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Chen Y, Huang X, Zhao S. The moderating effect of appearance on the impact of performance rankings in the live streaming market. Front Psychol 2022; 13:1011787. [PMID: 36483730 PMCID: PMC9723466 DOI: 10.3389/fpsyg.2022.1011787] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 11/04/2022] [Indexed: 03/27/2024] Open
Abstract
The live streaming market is becoming increasingly competitive, and relative performance information regarding broadcasters is available to all participants in the live streaming industry, exacerbating the level of competition. Using data from 42,166 live streams by 293 broadcasters, we investigated two benefits of relative performance information in relation to the live streaming business and how these effects vary when the broadcaster appears competent, trustworthy, likable, or attractive. On the basis of economic and social comparison theory, as well as insights from the herd behavior and beauty premium literature, we predicted and found that relative performance information can improve live streaming performance by either increasing broadcaster effort (the effort-eliciting effect) or encouraging viewer participation (the informational effect), with these effects being stronger when broadcasters look more competent, trustworthy, likable, or attractive. The findings of this study contribute to the live streaming literature by demonstrating that providing relative performance information in the live streaming business can yield both effort-eliciting and informational benefits.
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Affiliation(s)
- Yasheng Chen
- Department of Accounting, School of Management, Xiamen University, Xiamen, Fujian, China
| | - Xian Huang
- Department of Accounting, School of Management, Xiamen University, Xiamen, Fujian, China
| | - Sijia Zhao
- Ernst & Young (China) Hua Ming LLP Hangzhou Branch, Hangzhou, China
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23
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Duschek N, Cajkovsky M, Prinz V, Müller D, Hundsamer A, Baierl A, Möllhoff N, Sulovsky M, Frank K. An open-label, 4-week, prospective clinical study evaluating the efficacy and safety of a novel targeted skin care line addressing five common skin conditions. J Cosmet Dermatol 2022; 21:5760-5768. [PMID: 35810352 DOI: 10.1111/jocd.15223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 07/07/2022] [Indexed: 12/27/2022]
Abstract
BACKGROUND Common skin conditions, such as irritated, dry, aging, and oily skin or dark eye circles with periorbital edema, usually do not require pharmaceutical therapy in form of dermatological drugs. They can, however, still affect the quality of life significantly. With the advent of newer cosmetics, a more targeted treatment of these dermatological conditions has become available to the public. There are few clinical studies investigating the efficacy and safety of cosmetics, leaving consumers exposed to potentially false claims of the cosmetic industry. This study aims to assess the efficacy and safety of a novel skin care series addressing the aforementioned five common skin conditions. METHODS This open-label, single-center, 4-week, prospective clinical study evaluated the efficacy and safety of five novel skin care formulations, each targeting one of five common skin issues in 176 study subjects. The primary endpoint parameters for the change in irritated skin, dark and puffy eyes, dry skin, aging skin, and oily skin were assessed through validated questionnaires, scales, and biomedical devices. RESULTS After 4 weeks of topical application of each formulation of a new targeted skin care, a significant improvement in all primary endpoints was detected. No undesirable effects occurred during this study. CONCLUSION This study showed a significant improvement in five common dermatological conditions with a novel targeted skin care series. Moreover, this study leads the way for an overdue critical assessment and certification of cosmetic product claims.
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Affiliation(s)
- Nikolaus Duschek
- Yuvell, Aesthetic Clinic & Clinical Trial Center, Vienna, Austria
| | - Mia Cajkovsky
- Yuvell, Aesthetic Clinic & Clinical Trial Center, Vienna, Austria
| | - Valentina Prinz
- Yuvell, Aesthetic Clinic & Clinical Trial Center, Vienna, Austria
| | - Daniel Müller
- Yuvell, Aesthetic Clinic & Clinical Trial Center, Vienna, Austria
| | - Andrea Hundsamer
- Yuvell, Aesthetic Clinic & Clinical Trial Center, Vienna, Austria
| | - Andreas Baierl
- Department of Statistic and Operations Research, University of Vienna, Vienna, Austria
| | - Nicholas Möllhoff
- Department for Hand, Plastic and Aesthetic Surgery, Ludwig - Maximilian University Munich, Munich, Germany
| | - Monika Sulovsky
- Yuvell, Aesthetic Clinic & Clinical Trial Center, Vienna, Austria
| | - Konstantin Frank
- Department for Hand, Plastic and Aesthetic Surgery, Ludwig - Maximilian University Munich, Munich, Germany
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24
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Birnbaum GE, Zholtack K, Ayal S. Is Infidelity Contagious? Online Exposure to Norms of Adultery and Its Effect on Expressions of Desire for Current and Alternative Partners. ARCHIVES OF SEXUAL BEHAVIOR 2022; 51:3919-3930. [PMID: 35978202 DOI: 10.1007/s10508-022-02392-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 07/24/2022] [Accepted: 07/26/2022] [Indexed: 06/15/2023]
Abstract
Research exploring the determinants of infidelity has mainly focused on individual and relationship characteristics that render relationships vulnerable, paying less attention to the external circumstances that increase the likelihood of straying. The present research examined whether online exposure to norms of adultery would affect expressions of desire for alternative mates. In three studies, romantically involved participants were exposed to others' cheating behavior and then thought of or encountered attractive strangers. Their relationship perceptions and reactions during these experiences (fantasmatic themes, expressed interest in alternative partners, and overt flirtation with them in Studies 1-3, respectively) were recorded. Results showed that following exposure to others' cheating behavior, participants were less likely to devalue the attractiveness of alternative partners and to be committed to their relationship. These findings suggest that exposure to adultery norms decreases the awareness of long-term priorities of relationship maintenance, lessening the resistance to the temptation of attractive alternatives.
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Affiliation(s)
- Gurit E Birnbaum
- Baruch Ivcher School of Psychology, Reichman University (IDC, Herzliya), P.O. Box 167, 46150, Herzliya, Israel.
| | - Kobi Zholtack
- Baruch Ivcher School of Psychology, Reichman University (IDC, Herzliya), P.O. Box 167, 46150, Herzliya, Israel
| | - Shahar Ayal
- Baruch Ivcher School of Psychology, Reichman University (IDC, Herzliya), P.O. Box 167, 46150, Herzliya, Israel
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25
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Chowdhury S, Verma S, Debnath T. Self-Esteem in Rhinoplasty Patients: A Comparative Study. Indian J Otolaryngol Head Neck Surg 2022; 74:1571-1575. [PMID: 36452576 PMCID: PMC9702218 DOI: 10.1007/s12070-021-02734-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 06/27/2021] [Indexed: 10/20/2022] Open
Abstract
Self-esteem is one of the most important psychological aspect of cosmetic surgery, in our case aesthetic rhinoplasty surgery. Self-esteem can be described as one's attitude towards ownself. Our aim is to assess the self-esteem pre-operatively in patients seeking aesthetic rhinoplasty with respect to those seeking functional rhinoplasty and also compare the post-operative improvement in the self-esteem in those patients. This is a Prospective comparative study in a Tertiary care centre. A total of 48 patients who were planned to undergo rhinoplasty over a period of 1 year in a tertiary care centre, A total of 48 patients (24 requiring aesthetic rhinoplasty and the rest functional rhinoplasty),grouped according to their primary objective, were asked to fill up Rosenberg's self-esteem scale pre-operatively and 6 months post-operatively. Independent t test was used for data analysis. The mean value of self-esteem in aesthetic rhinoplasty group was significantly lower as compared to functional rhinoplasty and there was also significant improvement of self-esteem score post -operatively in the aesthetic rhinoplasty group. Age,gender, marital status, socio-economic status and educational backgrounds were analyzed and there was no significant differences in these factors on comparison between the two groups. Our study showed that self-esteem is an important parameter in cosmetic surgery as patients opting for aesthetic rhinoplasty had lower self-esteem score pre-operatively and there was significant improvement of these scores post-operatively.
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Affiliation(s)
- Subhadeep Chowdhury
- Department of ENT, R.G. KAR Medical College and Hospital, 2/92, Sree Colony P.O. Regent Estate, Kolkata, 700092 India
| | - Sweta Verma
- Department of ENT, R.G. KAR Medical College and Hospital, C/O Purusottam Kumar Uma Charan Bose Lane, Budhanath Chowk, Jogsar, Bhagalpur, Bihar 812001 India
| | - Tithi Debnath
- Department of ENT, R.G. KAR Medical College and Hospital, Farm Side Road, P.O. Chinsurah(R.S), Hooghly, West Bengal 712102 India
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26
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Seeing attractive faces challenges inhibitory control, especially when mindful. PLoS One 2022; 17:e0273913. [PMID: 36048784 PMCID: PMC9436117 DOI: 10.1371/journal.pone.0273913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 08/17/2022] [Indexed: 11/19/2022] Open
Abstract
Previous studies have suggested positive effects of mindfulness on inhibitory control (stopping behaviour). However, scarce previous studies suggest the relationship may depend on context. We provide first evidence that inhibitory control is challenged when perceiving attractive faces, especially when being mindful. Specifically, we investigated the relationship between mindfulness and inhibitory control and the moderating role of a social reward context (being exposed to attractive opposite sex faces). Participants (n = 50) between 18–43 years old (M = 25, SD = 5.4) filled out questionnaires assessing standard demographic variables and dispositional mindfulness. Subsequently, they performed a Go/No-go task with a neutral condition and attractive faces condition. Results showed that inhibitory control was challenged in the attractive condition relative to the neutral condition, p = 0.019. Dispositional mindfulness was negatively correlated with inhibitory performance, but only in the attractive faces condition (r = -0.32, p = 0.024). Results did not support a moderating role of gender. Finally, though post-hoc, higher mindfulness was associated with reduced perceived attractiveness of presented faces (r = -0.33, p = 0.019). However, the relationship between mindfulness and reduced inhibitory control could not be explained by mindfulness associated reduced attractiveness. Taken together, results show that mindfulness challenges inhibitory control when perceiving attractive faces. This implies that mindfulness interventions aimed at enhancing inhibitory control, may not render the desired effect in a context of being exposed to attractive faces. Though certainly plausible, it remains an open question whether results generalize to other reward contexts as well.
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Arai T, Nittono H. Cosmetic makeup enhances facial attractiveness and affective neural responses. PLoS One 2022; 17:e0272923. [PMID: 35969525 PMCID: PMC9377592 DOI: 10.1371/journal.pone.0272923] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 07/25/2022] [Indexed: 11/23/2022] Open
Abstract
Although it is well established that cosmetic makeup enhances perceived facial attractiveness, few studies have examined whether facial makeup modulates neural responses to face images. This study investigated behavioral and attractiveness-related brain responses to self-applied makeup, focusing on the N170, early posterior negativity, P300, and late positive potential components of event-related brain potentials. A total of 77 Japanese women participated in two experiments (N = 34 and 43 for Experiments 1 and 2, respectively). Experiment 1 assessed the effects of self-applied makeup on attractiveness-related event-related potential amplitudes using facial images during a makeup identification task in which makeup was directly relevant to task demands. Experiment 2 examined the effects of self-applied makeup using images of one’s own face and another female’s face when performing a gender classification task, where the presence of makeup had no explicit connection to facial gender classification. In both experiments, faces with makeup were rated as more attractive and elicited more negative early posterior negativity and more positive late positive potential components, regardless of the participant’s own face or another person’s face. These findings suggest that people are spontaneously motivated to pay visual attention to faces with makeup, which supports the idea that makeup adds reward value to the facial appearance of the human. Moreover, neural evidence empirically confirmed that the benefits of makeup are not just limited to how others see your face but also extend to how you see your own face.
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Affiliation(s)
- Tomohiro Arai
- Shiseido Co., Ltd. MIRAI Technology Institute, Kanagawa, Japan
- * E-mail:
| | - Hiroshi Nittono
- Graduate School of Human Sciences, Osaka University, Suita, Japan
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28
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Pan Y, Jin J, Wan Y, Wu Y, Wang F, Xu S, Zhu L, Xu J, Rao H. Beauty affects fairness: facial attractiveness alters neural responses to unfairness in the ultimatum game. Brain Imaging Behav 2022; 16:2497-2505. [PMID: 35821158 DOI: 10.1007/s11682-022-00705-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/28/2022] [Accepted: 07/05/2022] [Indexed: 11/24/2022]
Abstract
Human faces consist of rich information for social interactions and facial attractiveness is a key dimension affecting social decisions. Previous studies have indicated that human players are less likely to refuse an unfair offer from proposers with high facial attractiveness in the Ultimatum Game (UG). However, the neural mechanisms underlying such beauty premium effect remain unclear. In this study, we used functional magnetic resonance imaging (fMRI) and examined the effects of facial attractiveness on brain responses to fair and unfair offers in the UG. Behavioral data showed that subjects were overall prone to refuse unfair offers across conditions but were more likely to accept unfair offers from higher facial attractive proposers than those from lower facial attractive proposers. Imaging data showed that unfair offers induced greater activity in the anterior insula and medial prefrontal cortex (MePFC) compared to those in fair offers condition for both high and low facial attractive proposers. Moreover, the acceptance rate of unfair offers positively correlated with the MePFC activity for high facial attractive proposers and negatively correlated with the anterior insula activity for low facial attractive proposers. These findings suggest that facial attractiveness modulates brain responses to unfairness through altering the roles of emotion and cognitive motivation in social interactions.
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Affiliation(s)
- Yu Pan
- Center for Magnetic Resonance Imaging Research & Key Laboratory of Applied Brain and Cognitive Sciences, School of Business and Management, Shanghai International Studies University, Shanghai, China
| | - Jia Jin
- Center for Magnetic Resonance Imaging Research & Key Laboratory of Applied Brain and Cognitive Sciences, School of Business and Management, Shanghai International Studies University, Shanghai, China
| | - Yan Wan
- School of Economics and Management, Beijing University of Posts and Telecommunications, Beijing, China
| | - Yujia Wu
- School of Economics and Management, Beijing University of Posts and Telecommunications, Beijing, China
| | - Fenghua Wang
- Center for Magnetic Resonance Imaging Research & Key Laboratory of Applied Brain and Cognitive Sciences, School of Business and Management, Shanghai International Studies University, Shanghai, China
| | - Sihua Xu
- Center for Magnetic Resonance Imaging Research & Key Laboratory of Applied Brain and Cognitive Sciences, School of Business and Management, Shanghai International Studies University, Shanghai, China
| | - Lian Zhu
- School of Journalism and Communication, Shanghai International Studies University, Shanghai, China
| | - Jing Xu
- Center for Magnetic Resonance Imaging Research & Key Laboratory of Applied Brain and Cognitive Sciences, School of Business and Management, Shanghai International Studies University, Shanghai, China.
| | - Hengyi Rao
- Center for Magnetic Resonance Imaging Research & Key Laboratory of Applied Brain and Cognitive Sciences, School of Business and Management, Shanghai International Studies University, Shanghai, China. .,Center for Functional Neuroimaging, Department of Neurology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
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29
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Mai L, Köchling A, Wehner MC. “This Student Needs to Stay Back”: To What Degree Would Instructors Rely on the Recommendation of Learning Analytics? SN COMPUTER SCIENCE 2022; 3:259. [PMID: 35531570 PMCID: PMC9053119 DOI: 10.1007/s42979-022-01137-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 04/06/2022] [Indexed: 11/30/2022]
Abstract
Learning analytics (LA) systems are becoming a new source of advice for instructors. Using LA provides new insights into learning behaviours and occurring problems about learners. Educational platforms collect a wide range of data while learners use them, for example, time spent on the platform, passed exams, and completed tasks and provide recommendations in terms of predicted learning success based on LA. In turn, LA might increase efficiency and objectivity in the grading process. In this paper, we examine how instructors react to the platform’s automatic recommendations and to which extent they consider them when judging learners. Drawing on an adaptive choice-based experimental research design and a sample of 372 instructors, we analyze whether and to what degree instructors are influenced by the provided data and recommendations of an unknown LA system. In a follow-up study with 95 teachers, we describe the differences in the use of data between learners and the influence of early warning systems. All in all, we show the influence of automatic evaluation on teachers.
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Affiliation(s)
- Linda Mai
- Heinrich-Heine-University Düsseldorf, Faculty of Business Administration and Economics, Universitätsstr. 1, 40225 Düsseldorf, Germany
| | - Alina Köchling
- Heinrich-Heine-University Düsseldorf, Faculty of Business Administration and Economics, Universitätsstr. 1, 40225 Düsseldorf, Germany
| | - Marius Claus Wehner
- Heinrich-Heine-University Düsseldorf, Faculty of Business Administration and Economics, Universitätsstr. 1, 40225 Düsseldorf, Germany
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30
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Ueda R. Neural Processing of Facial Attractiveness and Romantic Love: An Overview and Suggestions for Future Empirical Studies. Front Psychol 2022; 13:896514. [PMID: 35774950 PMCID: PMC9239166 DOI: 10.3389/fpsyg.2022.896514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/25/2022] [Indexed: 11/25/2022] Open
Abstract
Romantic love is universally observed in human communities, and the manner in which a person chooses a long-term romantic partner has been a central question in studies on close relationships. Numerous empirical psychological studies have demonstrated that facial attractiveness greatly impacts initial romantic attraction. This close link was further investigated by neuroimaging studies showing that both viewing attractive faces and having romantic thoughts recruit the reward system. However, it remains unclear how our brains integrate perceived facial attractiveness into initial romantic attraction. In addition, it remains unclear how our brains shape a persistent attraction to a particular person through interactions; this persistent attraction is hypothesized to contribute to a long-term relationship. After reviewing related studies, I introduce methodologies that could help address these questions.
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Affiliation(s)
- Ryuhei Ueda
- Institute for the Future of Human Society, Kyoto University, Kyoto, Japan
- Center for Information and Neural Networks, National Institute of Information and Communications Technology, Osaka, Japan
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Neural substrates of brand equity: applying a quantitative meta-analytical method for neuroimage studies. Heliyon 2022; 8:e09702. [PMID: 35734557 PMCID: PMC9207674 DOI: 10.1016/j.heliyon.2022.e09702] [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: 09/12/2021] [Revised: 01/29/2022] [Accepted: 06/06/2022] [Indexed: 11/24/2022] Open
Abstract
Although the concept of brand equity has been investigated using various approaches, a comprehensive neural basis for brand equity remains unclear. The default mode network (DMN) as a mental process might influence brand equity related consumers' decision-making, as reported in the marketing literature. While studies on the overlapping regions between the DMN and value-based decision-making related brain regions have been reported in neuroscience literature, relationships between the DMN and a neural mechanism of brand equity have not been clarified. The aim of our study is to identify neural substrates of brand equity and examine brand equity-related mental processes by comparing them to the DMN. To determine the neural substrates of brand equity, we first carried out the activation likelihood estimation (ALE) meta-analysis. We examined 26 studies using branded objects as experimental stimuli for the ALE. Next, we set the output regions from ALE as the region of interest for meta-analytic connectivity modeling (MACM). Further, we compared the brand equity-related brain network (BE-RBN) revealed by the MACM with the DMN. We confirmed that the BE-RBN brain regions overlap with the medial temporal lobule (MTL) sub-system, a module composed of the DMN but excluding the retrosplenial cortex. Further, we discovered that several brain regions apart from the DMN are also distinctive BE-RBN brain regions (i.e., the insula, the inferior frontal gyrus, amygdala, ventral striatum, parietal region). We decoded the BE-RBN brain regions using the BrandMap module. The decoded results revealed that the brand equity-related mental processes are complex constructs integrated via multiple mental processes such as self-referential, reward, emotional, memory, and sensorimotor processing. Our study demonstrated that the DMN alone is insufficient to engage in brand equity-related mental processes. Therefore, marketers are required to make strategic plans to integrate the five consumer's multiple mental processes while building brand equity.
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32
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Qi Y, Ying J. Gender Biases in the Accuracy of Facial Judgments: Facial Attractiveness and Perceived Socioeconomic Status. Front Psychol 2022; 13:884888. [PMID: 35712144 PMCID: PMC9194569 DOI: 10.3389/fpsyg.2022.884888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 05/02/2022] [Indexed: 11/13/2022] Open
Abstract
Many studies demonstrate that people form their first impression of a stranger based on facial appearance, and these impressions influence their subsequent decisions and behaviors. However, much less research has examined the factors that moderate the accuracy of first impressions based on a photo of face. The present study included three experiments to explore gender differences in the accuracy of impressions based on faces. The results showed that people judge facial attractiveness more accurately for female faces than for male faces while giving more accurate wealth judgments for male faces than for female faces. Interestingly, although we did not find a significant correlation between confidence ratings and the accuracy of wealth rating, we recognized a significant moderate correlation between confidence ratings and the accuracy of attractiveness ratings when female participants rated male faces. To our knowledge, the present study is the first to reveal gender biases in the accuracy of impression judgments based on facial appearance. These findings imply a significant influence of traditional gender roles on accurate facial judgments.
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Affiliation(s)
- Yue Qi
- Department of Psychology, Renmin University of China, Beijing, China
| | - Jia Ying
- Graduate School of Education, University of Pennsylvania, Philadelphia, PA, United States
- *Correspondence: Jia Ying,
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33
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Murphy DAJ, Xie J, Harmer CJ, Browning M, Pulcu E. Dynamic modulation of inequality aversion in human interpersonal negotiations. Commun Biol 2022; 5:359. [PMID: 35422086 PMCID: PMC9010408 DOI: 10.1038/s42003-022-03318-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/25/2022] [Indexed: 11/13/2022] Open
Abstract
Negotiating with others about how finite resources should be distributed is an important aspect of human social life. However, little is known about mechanisms underlying human social-interactive decision-making in gradually evolving environments. Here, we report results from an iterative Ultimatum Game (UG), in which the proposer’s facial emotions and offer amounts were sampled probabilistically based on the participant’s decisions. Our model-free results confirm the prediction that both the proposer’s facial emotions and the offer amount should influence acceptance rates. Model-based analyses extend these findings, indicating that participants’ decisions in the UG are guided by aversion to inequality. We highlight that the proposer’s facial affective reactions to participant decisions dynamically modulate how human decision-makers perceive self–other inequality, relaxing its otherwise negative influence on decision values. This cognitive model underlies how offers initially rejected can gradually become more acceptable under increasing affective load (predictive accuracy ~86%). Furthermore, modelling human choice behaviour isolated the role of the central arousal systems, assessed by measuring pupil size. We demonstrate that pupil-linked central arousal systems selectively encode a key component of subjective decision values: the magnitude of self–other inequality. Taken together, our results demonstrate that, under affective influence, aversion to inequality is a malleable cognitive process. The effect of a proposer’s facial emotions on a receiver’s likelihood to accept offers in an iterative Ultimatum Game is unknown. Here, modelling participant behaviour demonstrates that facial emotions dynamically tune participants’ inequality aversion.
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34
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Subliminal audio-visual temporal congruency in music videos enhances perceptual pleasure. Neurosci Lett 2022; 779:136623. [DOI: 10.1016/j.neulet.2022.136623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 03/31/2022] [Accepted: 04/05/2022] [Indexed: 11/19/2022]
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35
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Leder H, Hakala J, Peltoketo VT, Valuch C, Pelowski M. Swipes and Saves: A Taxonomy of Factors Influencing Aesthetic Assessments and Perceived Beauty of Mobile Phone Photographs. Front Psychol 2022; 13:786977. [PMID: 35295400 PMCID: PMC8918498 DOI: 10.3389/fpsyg.2022.786977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 01/26/2022] [Indexed: 12/05/2022] Open
Abstract
Digital images taken by mobile phones are the most frequent class of images created today. Due to their omnipresence and the many ways they are encountered, they require a specific focus in research. However, to date, there is no systematic compilation of the various factors that may determine our evaluations of such images, and thus no explanation of how users select and identify relatively “better” or “worse” photos. Here, we propose a theoretical taxonomy of factors influencing the aesthetic appeal of mobile phone photographs. Beyond addressing relatively basic/universal image characteristics, perhaps more related to fast (bottom-up) perceptual processing of an image, we also consider factors involved in the slower (top-down) re-appraisal or deepened aesthetic appreciation of an image. We span this taxonomy across specific types of picture genres commonly taken—portraits of other people, selfies, scenes and food. We also discuss the variety of goals, uses, and contextual aspects of users of mobile phone photography. As a working hypothesis, we propose that two main decisions are often made with mobile phone photographs: (1) Users assess images at a first glance—by swiping through a stack of images—focusing on visual aspects that might be decisive to classify them from “low quality” (too dark, out of focus) to “acceptable” to, in rare cases, “an exceptionally beautiful picture.” (2) Users make more deliberate decisions regarding one’s “favorite” picture or the desire to preserve or share a picture with others, which are presumably tied to aspects such as content, framing, but also culture or personality, which have largely been overlooked in empirical research on perception of photographs. In sum, the present review provides an overview of current focal areas and gaps in research and offers a working foundation for upcoming research on the perception of mobile phone photographs as well as future developments in the fields of image recording and sharing technology.
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Affiliation(s)
- Helmut Leder
- Department of Cognition, Emotion, and Methods in Psychology, Faculty of Psychology, University of Vienna, Vienna, Austria
- *Correspondence: Helmut Leder,
| | - Jussi Hakala
- Huawei Technologies Oy (Finland) Co. Ltd, Tampere, Finland
| | | | - Christian Valuch
- Department of Cognition, Emotion, and Methods in Psychology, Faculty of Psychology, University of Vienna, Vienna, Austria
| | - Matthew Pelowski
- Department of Cognition, Emotion, and Methods in Psychology, Faculty of Psychology, University of Vienna, Vienna, Austria
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36
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Martinez-Saito M, Andraszewicz S, Klucharev V, Rieskamp J. Mine or Ours? Neural Basis of the Exploitation of Common-Pool Resources. Soc Cogn Affect Neurosci 2022; 17:837-849. [PMID: 35104883 PMCID: PMC9433840 DOI: 10.1093/scan/nsac008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 12/01/2021] [Accepted: 01/27/2022] [Indexed: 12/01/2022] Open
Abstract
Why do people often exhaust unregulated common (shared) natural resources but manage to preserve similar private resources? To answer this question, in this study we combine a neurobiological, economic and cognitive modeling approach. Using functional magnetic resonance imaging on 50 participants, we show that a sharp decrease of common and private resources is associated with deactivation of the ventral striatum, a brain region involved in the valuation of outcomes. Across individuals, when facing a common resource, ventral striatal activity is anticorrelated with resource preservation (less harvesting), whereas with private resources the opposite pattern is observed. This indicates that neural value signals distinctly modulate behavior in response to the depletion of common vs private resources. Computational modeling suggested that overharvesting of common resources was facilitated by the modulatory effect of social comparison on value signals. These results provide an explanation of people’s tendency to over-exploit unregulated common natural resources.
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Affiliation(s)
- Mario Martinez-Saito
- International Laboratory of Social Neurobiology, Institute of Cognitive Neuroscience, HSE University, Russian Federation, Moscow 101000, Russia
| | - Sandra Andraszewicz
- Department of Humanities, Social and Political Sciences, ETH Zurich, Zurich 8006, Swiss Confederation
- Department of Psychology, University of Basel, Basel 4055, Swiss Confederation
| | - Vasily Klucharev
- International Laboratory of Social Neurobiology, Institute of Cognitive Neuroscience, HSE University, Russian Federation, Moscow 101000, Russia
| | - Jörg Rieskamp
- Correspondence should be addressed to Jörg Rieskamp, Department of Psychology, University of Basel, Basel 4055, Swiss Confederation. E-mail:
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37
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Tzanoulinou S, Musardo S, Contestabile A, Bariselli S, Casarotto G, Magrinelli E, Jiang YH, Jabaudon D, Bellone C. Inhibition of Trpv4 rescues circuit and social deficits unmasked by acute inflammatory response in a Shank3 mouse model of Autism. Mol Psychiatry 2022; 27:2080-2094. [PMID: 35022531 PMCID: PMC9126815 DOI: 10.1038/s41380-021-01427-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 12/08/2021] [Accepted: 12/23/2021] [Indexed: 12/14/2022]
Abstract
Mutations in the SHANK3 gene have been recognized as a genetic risk factor for Autism Spectrum Disorder (ASD), a neurodevelopmental disease characterized by social deficits and repetitive behaviors. While heterozygous SHANK3 mutations are usually the types of mutations associated with idiopathic autism in patients, heterozygous deletion of Shank3 gene in mice does not commonly induce ASD-related behavioral deficit. Here, we used in-vivo and ex-vivo approaches to demonstrate that region-specific neonatal downregulation of Shank3 in the Nucleus Accumbens promotes D1R-medium spiny neurons (D1R-MSNs) hyperexcitability and upregulates Transient Receptor Potential Vanilloid 4 (Trpv4) to impair social behavior. Interestingly, genetically vulnerable Shank3+/- mice, when challenged with Lipopolysaccharide to induce an acute inflammatory response, showed similar circuit and behavioral alterations that were rescued by acute Trpv4 inhibition. Altogether our data demonstrate shared molecular and circuit mechanisms between ASD-relevant genetic alterations and environmental insults, which ultimately lead to sociability dysfunctions.
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Affiliation(s)
- Stamatina Tzanoulinou
- grid.8591.50000 0001 2322 4988Department of Fundamental Neuroscience, CMU, University of Geneva, Geneva, Switzerland ,grid.9851.50000 0001 2165 4204Present Address: Department of Biomedical Sciences (DSB), FBM, University of Lausanne, Lausanne, Switzerland
| | - Stefano Musardo
- grid.8591.50000 0001 2322 4988Department of Fundamental Neuroscience, CMU, University of Geneva, Geneva, Switzerland
| | - Alessandro Contestabile
- grid.8591.50000 0001 2322 4988Department of Fundamental Neuroscience, CMU, University of Geneva, Geneva, Switzerland
| | - Sebastiano Bariselli
- grid.8591.50000 0001 2322 4988Department of Fundamental Neuroscience, CMU, University of Geneva, Geneva, Switzerland
| | - Giulia Casarotto
- grid.8591.50000 0001 2322 4988Department of Fundamental Neuroscience, CMU, University of Geneva, Geneva, Switzerland
| | - Elia Magrinelli
- grid.8591.50000 0001 2322 4988Department of Fundamental Neuroscience, CMU, University of Geneva, Geneva, Switzerland
| | - Yong-hui Jiang
- grid.47100.320000000419368710Department of Genetics, Yale University School of Medicine, New Haven, CT 06520 USA
| | - Denis Jabaudon
- grid.8591.50000 0001 2322 4988Department of Fundamental Neuroscience, CMU, University of Geneva, Geneva, Switzerland
| | - Camilla Bellone
- Department of Fundamental Neuroscience, CMU, University of Geneva, Geneva, Switzerland.
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38
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Mills EG, Yang L, Abbara A, Dhillo WS, Comninos AN. Current Perspectives on Kisspeptins Role in Behaviour. Front Endocrinol (Lausanne) 2022; 13:928143. [PMID: 35757400 PMCID: PMC9225141 DOI: 10.3389/fendo.2022.928143] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 05/11/2022] [Indexed: 11/21/2022] Open
Abstract
The neuropeptide kisspeptin is now well-established as the master regulator of the mammalian reproductive axis. Beyond the hypothalamus, kisspeptin and its cognate receptor are also extensively distributed in extra-hypothalamic brain regions. An expanding pool of animal and human data demonstrates that kisspeptin sits within an extensive neuroanatomical and functional framework through which it can integrate a range of internal and external cues with appropriate neuroendocrine and behavioural responses. In keeping with this, recent studies reveal wide-reaching effects of kisspeptin on key behaviours such as olfactory-mediated partner preference, sexual motivation, copulatory behaviour, bonding, mood, and emotions. In this review, we provide a comprehensive update on the current animal and human literature highlighting the far-reaching behaviour and mood-altering roles of kisspeptin. A comprehensive understanding of this important area in kisspeptin biology is key to the escalating development of kisspeptin-based therapies for common reproductive and related psychological and psychosexual disorders.
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Affiliation(s)
- Edouard G. Mills
- Section of Endocrinology and Investigative Medicine, Imperial College London, London, United Kingdom
| | - Lisa Yang
- Section of Endocrinology and Investigative Medicine, Imperial College London, London, United Kingdom
| | - Ali Abbara
- Section of Endocrinology and Investigative Medicine, Imperial College London, London, United Kingdom
| | - Waljit S. Dhillo
- Section of Endocrinology and Investigative Medicine, Imperial College London, London, United Kingdom
- Department of Endocrinology, Imperial College Healthcare National Health Service (NHS) Trust, London, United Kingdom
- *Correspondence: Waljit S. Dhillo, ; Alexander N. Comninos,
| | - Alexander N. Comninos
- Section of Endocrinology and Investigative Medicine, Imperial College London, London, United Kingdom
- Department of Endocrinology, Imperial College Healthcare National Health Service (NHS) Trust, London, United Kingdom
- *Correspondence: Waljit S. Dhillo, ; Alexander N. Comninos,
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39
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de Abreu MS, Costa F, Giacomini ACVV, Demin KA, Zabegalov KN, Maslov GO, Kositsyn YM, Petersen EV, Strekalova T, Rosemberg DB, Kalueff AV. Towards Modeling Anhedonia and Its Treatment in Zebrafish. Int J Neuropsychopharmacol 2021; 25:293-306. [PMID: 34918075 PMCID: PMC9017771 DOI: 10.1093/ijnp/pyab092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 11/11/2021] [Accepted: 12/14/2021] [Indexed: 11/14/2022] Open
Abstract
Mood disorders, especially depression, are a major cause of human disability. The loss of pleasure (anhedonia) is a common, severely debilitating symptom of clinical depression. Experimental animal models are widely used to better understand depression pathogenesis and to develop novel antidepressant therapies. In rodents, various experimental models of anhedonia have already been developed and extensively validated. Complementing rodent studies, the zebrafish (Danio rerio) is emerging as a powerful model organism to assess pathobiological mechanisms of affective disorders, including depression. Here, we critically discuss the potential of zebrafish for modeling anhedonia and studying its molecular mechanisms and translational implications.
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Affiliation(s)
- Murilo S de Abreu
- School of Pharmacy, Southwest University, Chongqing, China,Bioscience Institute, University of Passo Fundo, Passo Fundo, RS, Brazil,Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia
| | - Fabiano Costa
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Natural and Exact Sciences Center, Federal University of Santa Maria, Santa Maria, Brazil
| | - Ana C V V Giacomini
- Bioscience Institute, University of Passo Fundo, Passo Fundo, RS, Brazil,Graduate Program in Environmental Sciences, University of Passo Fundo, Passo Fundo, RS, Brazil
| | - Konstantin A Demin
- Drug Screening Platform, School of Pharmacy, Southwest University, Chongqing, China,Ural Federal University, Ekaterinburg, Russia,Institute of Experimental Medicine, Almazov National Medical Research Centre, St. Petersburg, Russia
| | | | - Gleb O Maslov
- Ural Federal University, Ekaterinburg, Russia,Neurobiology Program, Sirius University of Science and Technology, Sochi, Russia
| | - Yuriy M Kositsyn
- Neurobiology Program, Sirius University of Science and Technology, Sochi, Russia
| | - Elena V Petersen
- Laboratory of Cell and Molecular Biology and Neurobiology, Moscow Institute of Physics and Technology, Moscow, Russia
| | - Tatiana Strekalova
- Department of Preventive Medicine, Maastricht Medical Center Annadal, Maastricht, Netherlands,Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, University of Maastricht, Maasticht, the Netherlands,Laboratory of Psychiatric Neurobiology, Institute of Molecular Medicine and Department of Normal Physiology, Sechenov 1st Moscow State Medical University, Moscow, Russia,Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - Denis B Rosemberg
- Graduate Program in Biological Sciences: Toxicological Biochemistry, Natural and Exact Sciences Center, Federal University of Santa Maria, Santa Maria, Brazil,Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, Santa Maria, Brazil
| | - Allan V Kalueff
- School of Pharmacy, Southwest University, Chongqing, China,Drug Screening Platform, School of Pharmacy, Southwest University, Chongqing, China,Ural Federal University, Ekaterinburg, Russia,Russian Research Center of Radiology and Surgical Technologies, Ministry of Healthcare of Russian Federation, St. Petersburg, Russia,Institute of Experimental Medicine, Almazov National Medical Research Centre, St. Petersburg, Russia,Novosibirsk State University, Novosibisk, Russia,Scientific Research Institute of Neurosciences and Medicine, Novosibirsk, Russia,Correspondence: Allan V. Kalueff, PhD, School of Pharmacy, Southwest University, Chongqing, China ()
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40
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Oxytocin enhances neural approach towards social and non-social stimuli of high personal relevance. Sci Rep 2021; 11:23589. [PMID: 34880300 PMCID: PMC8655079 DOI: 10.1038/s41598-021-02914-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 11/08/2021] [Indexed: 12/31/2022] Open
Abstract
Oxytocin (OT) plays a pivotal role in a variety of complex social behaviors by modulating approach-avoidance motivational tendencies, but recently, its social specificity has been challenged. Here, a randomized, double-blind, placebo-controlled study was conducted with forty young adult men, investigating the effect of a single-dose of OT (24 IU) on behavioral and neural approach-avoidance. Frontal alpha asymmetry, indexing neurophysiological approach-avoidance, was obtained from electroencephalographic recordings while participants were presented with a series of pictures, individually rated in terms of personal relevance (i.e., high versus low positive/negative emotional evocativeness) and categorized as social or non-social. Additionally, participants could prolong (approach) or shorten (avoid) the viewing-time of each picture, providing a measure of behavioral approach-avoidance. Intranasal OT enhanced both behavioral and neural approach (increased viewing-time), particularly towards negatively valenced pictures of both social and non-social nature, thus challenging the notion that OT's effects are specific to social stimuli. Neurally, OT specifically amplified approach-related motivational salience of stimuli that were self-rated to have high personal relevance, but irrespective of their social nature or rated affective valence (positive/negative). Together, these findings provide support to the General Approach-Avoidance Hypothesis of OT, suggesting a role of OT in amplifying the motivational salience of environmental stimuli with high (personal) relevance, but irrespective of their social/non-social nature.Clinical Trial Number: The study design was registered at ClinicalTrials.gov (NCT04443647; 23/06/2020; https://clinicaltrials.gov/ct2/show/NCT04443647 ).
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41
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Ueda R, Abe N. Neural Representations of the Committed Romantic Partner in the Nucleus Accumbens. Psychol Sci 2021; 32:1884-1895. [PMID: 34822306 DOI: 10.1177/09567976211021854] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Having an intimate romantic relationship is an important aspect of life. Dopamine-rich reward regions, including the nucleus accumbens (NAcc), have been identified as neural correlates for both emotional bonding with the partner and interest in unfamiliar attractive nonpartners. Here, we aimed to disentangle the overlapping functions of the NAcc using multivoxel pattern analysis, which can decode the cognitive processes encoded in particular neural activity. During functional MRI scanning, 46 romantically involved men performed the social-incentive-delay task, in which a successful response resulted in the presentation of a dynamic and positive facial expression from their partner and unfamiliar women. Multivoxel pattern analysis revealed that the spatial patterns of NAcc activity could successfully discriminate between romantic partners and unfamiliar women during the period in which participants anticipated the target presentation. We speculate that neural activity patterns within the NAcc represent the relationship partner, which might be a key neural mechanism for committed romantic relationships.
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Affiliation(s)
- Ryuhei Ueda
- Kokoro Research Center, Kyoto University.,Center for Information and Neural Networks, National Institute of Information and Communications Technology, Osaka, Japan
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42
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Ding F, Jia Y, Cheng G, Wu L, Hu T, Zhang D. Secure Attachment Priming Amplifies Approach Motivation for Infant Faces Among Childless Adults. Front Psychol 2021; 12:736379. [PMID: 34777122 PMCID: PMC8578675 DOI: 10.3389/fpsyg.2021.736379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 10/05/2021] [Indexed: 11/13/2022] Open
Abstract
Existing studies have indicated that priming secure attachment alters adults' neural responses to infant faces. However, no study has examined whether this effect exists for motivational behavioral responses, and none of the previous studies included adult faces as a baseline to determine whether the security prime enhances responses to human faces in general or infant faces alone. To address this limitation, the current study recruited 160 unmarried and childless adults in the first phase, and all of them completed a battery of questionnaires, including the Interest in Infants, the Experiences in Close Relationships (ECR), and State Adult Attachment Measure (SAAM). A week later, after priming, 152 (76 security-primed vs. 76 neutrally primed) participants completed the SAAM and a behavioral program assessing their motivational responses to both adult and infant faces (i.e., liking, representational, and evoked responses). A manipulation check showed that the security prime was effective. Then, generalized linear mixed-effects models (GLMMs) showed that security priming enhances adults' liking, representational, and evoked responses (three components of the motivational system) only to infant faces and not to adult faces. Moreover, hierarchical regression analysis indicated that, even after security priming, there was a substantial linear relationship between positive motivation toward infant faces and the state of adult secure attachment. In summary, this study demonstrated for the first time that promoting the state of adult secure attachment can effectively enhance the effect size of the baby face schema. The current results were interpreted according to Bowlby's view of the attachment behavioral system.
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Affiliation(s)
- Fangyuan Ding
- Faculty of Psychology, Southwest University, Chongqing, China.,Center for Mental Health Education, Southwest University, Chongqing, China
| | - Yuncheng Jia
- Faculty of Psychology, Southwest University, Chongqing, China.,Center for Mental Health Education, Southwest University, Chongqing, China
| | - Gang Cheng
- School of Psychology, Guizhou Normal University, Guiyang, China.,Center for Rural Children and Adolescents Mental Health Education, Guizhou Normal University, Guiyang, China
| | - Lili Wu
- Brain and Cognitive Neuroscience Research Center, Liaoning Normal University, Dalian, China
| | - Tianqiang Hu
- Faculty of Psychology, Southwest University, Chongqing, China.,Center for Mental Health Education, Southwest University, Chongqing, China
| | - Dajun Zhang
- Faculty of Psychology, Southwest University, Chongqing, China.,Center for Mental Health Education, Southwest University, Chongqing, China
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43
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Cheng Q, Han Z, Liu S, Kong Y, Weng X, Mo L. Neural responses to facial attractiveness in the judgments of moral goodness and moral beauty. Brain Struct Funct 2021; 227:843-863. [PMID: 34767078 DOI: 10.1007/s00429-021-02422-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 10/27/2021] [Indexed: 02/05/2023]
Abstract
The judgments of moral goodness and moral beauty objectively refer to the perception and evaluation of moral traits, which are generally influenced by facial attractiveness. For centuries, people have equated beauty with the possession of positive qualities, but it is not clear whether the association between beauty and positive qualities exerts a similarly implicit influence on people's responses to moral goodness and moral beauty, how it affects those responses, and what is the neural basis for such an effect. The present study is the first to examine the neural responses to facial attractiveness in the judgments of moral goodness and moral beauty. We found that beautiful faces in both moral judgments activated the left ventral occipitotemporal cortices sensitive to the geometric configuration of the faces, demonstrating that both moral goodness and moral beauty required the automatic visual analysis of geometrical configuration of attractive faces. In addition, compared to beautiful faces during moral goodness judgment, beautiful faces during moral beauty judgment induced unique activity in the ventral medial prefrontal cortex and midline cortical structures involved in the emotional-valenced information about attractive faces. The opposite comparison elicited specific activity in the left superior temporal cortex and premotor area, which play a critical role in the recognition of facial identity. Our results demonstrated that the neural responses to facial attractiveness in the process of higher order moral decision-makings exhibit both task-general and task-specific characteristics. Our findings contribute to the understanding of the essence of the relationship between morality and aesthetics.
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Affiliation(s)
- Qiuping Cheng
- School of Psychology, South China Normal University, No. 55 West Zhongshan Avenue, Tianhe District, Guangzhou, 510631, China
- Key Laboratory of Brain, Cognition and Education Sciences (South China Normal University), Ministry of Education, Guangzhou, China
- Center for Studies of Psychological Application, South China Normal University, Guangzhou, 510631, China
- Guangdong Key Laboratory of Mental Health and Cognitive Science, South China Normal University, Guangzhou, 510631, China
| | - Zhili Han
- School of Psychology, South China Normal University, No. 55 West Zhongshan Avenue, Tianhe District, Guangzhou, 510631, China
- Shanghai Key Laboratory of Brain Functional Genomics (Ministry of Education), School of Psychology and Cognitive Science, East China Normal University, Shanghai, 200062, China
- NYU-ECNU Institute of Brain and Cognitive Science, New York University, Shanghai, 200062, China
| | - Shun Liu
- School of Psychology, South China Normal University, No. 55 West Zhongshan Avenue, Tianhe District, Guangzhou, 510631, China
- Key Laboratory of Brain, Cognition and Education Sciences (South China Normal University), Ministry of Education, Guangzhou, China
- Center for Studies of Psychological Application, South China Normal University, Guangzhou, 510631, China
- Guangdong Key Laboratory of Mental Health and Cognitive Science, South China Normal University, Guangzhou, 510631, China
| | - Yilong Kong
- School of Music, South China Normal University, Guangzhou, 510631, China
| | - Xuchu Weng
- School of Psychology, South China Normal University, No. 55 West Zhongshan Avenue, Tianhe District, Guangzhou, 510631, China
- Key Laboratory of Brain, Cognition and Education Sciences (South China Normal University), Ministry of Education, Guangzhou, China
- Center for Studies of Psychological Application, South China Normal University, Guangzhou, 510631, China
- Guangdong Key Laboratory of Mental Health and Cognitive Science, South China Normal University, Guangzhou, 510631, China
| | - Lei Mo
- School of Psychology, South China Normal University, No. 55 West Zhongshan Avenue, Tianhe District, Guangzhou, 510631, China.
- Key Laboratory of Brain, Cognition and Education Sciences (South China Normal University), Ministry of Education, Guangzhou, China.
- Center for Studies of Psychological Application, South China Normal University, Guangzhou, 510631, China.
- Guangdong Key Laboratory of Mental Health and Cognitive Science, South China Normal University, Guangzhou, 510631, China.
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44
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Yuan G, Liu G, Wei D. Roles of P300 and Late Positive Potential in Initial Romantic Attraction. Front Neurosci 2021; 15:718847. [PMID: 34720856 PMCID: PMC8552996 DOI: 10.3389/fnins.2021.718847] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 09/03/2021] [Indexed: 11/16/2022] Open
Abstract
Initial romantic attraction (IRA) refers to a series of positive reactions to potential romantic partners at the initial encounter; it evolved to promote mate selection, allowing individuals to focus their mating efforts on their preferred potential mates. After decades of effort, we now have a deeper understanding of the evolutionary value and dominant factors of IRA; however, little is known regarding the brain mechanisms related to its generation and evaluation. In this study, we combined classic event-related potential analysis with dipole-source analysis to examine electroencephalogram (EEG) signals generated while participants assessed their romantic interest in potential partners. The EEG signals were categorized into IRA-engendered and unengendered conditions based on behavioral indicators. We found that the faces elicited multiple late positivities, including P300 over the occipital-parietal regions and late positive potentials (LPPs) over the anterior regions. When compared to faces that did not engender IRA, faces that did engender IRA elicited (1) enhanced P300 over the parietal regions and heightened neural activity in the insula and cingulate cortex and (2) larger LPPs over the anterior regions and heightened neural activity in the orbitofrontal cortex, dorsolateral prefrontal cortex, cingulate cortex, frontal eye field, visual cortex, and insula. These results suggest IRA is generated and evaluated by an extensive brain network involved in emotion processing, attention control, and social evaluations. Furthermore, these findings indicate that P300 and LPP may represent different cognitive processes during IRA.
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Affiliation(s)
- Guangjie Yuan
- College of Electronic and Information Engineering, Southwest University, Chongqing, China
- Chongqing Collaborative Innovation Center for Brain Science, Chongqing, China
- Institute of Affective Computing and Information Processing, Southwest University, Chongqing, China
- Chongqing Key Laboratory of Nonlinear Circuits and Intelligent Information Processing, Chongqing, China
| | - Guangyuan Liu
- College of Electronic and Information Engineering, Southwest University, Chongqing, China
- Chongqing Collaborative Innovation Center for Brain Science, Chongqing, China
- Institute of Affective Computing and Information Processing, Southwest University, Chongqing, China
- Chongqing Key Laboratory of Nonlinear Circuits and Intelligent Information Processing, Chongqing, China
- Faculty of Psychology, Southwest University, Chongqing, China
- Key Laboratory of Cognition and Personality, Ministry of Education, Chongqing, China
| | - Dongtao Wei
- Faculty of Psychology, Southwest University, Chongqing, China
- Key Laboratory of Cognition and Personality, Ministry of Education, Chongqing, China
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45
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Yuan M, Zeng J, Wang A, Shang J. Would It Be Better if Instructors Technically Adjust Their Image or Voice in Online Courses? Impact of the Way of Instructor Presence on Online Learning. Front Psychol 2021; 12:746857. [PMID: 34621230 PMCID: PMC8491790 DOI: 10.3389/fpsyg.2021.746857] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 08/24/2021] [Indexed: 11/13/2022] Open
Abstract
This study investigated the effects of the changes in the image and voice of instructors in online video courses on online learner's learning achievement, social presence, learning satisfaction, and academic emotion. Two simultaneous online experiments were conducted with 122 college students in the image experiment, where the course videos varied in terms of the instructor's image (original image, face-beautified image, virtual image, and no image), and 93 college students in the voice experiment, where the course videos varied in terms of the instructor's voice (original voice, mutated voice, computer-synthesized voice). The results showed that learners viewing videos without instructor images had better learning achievements and less academic boredom relative to those who viewed videos with instructor images. However, the real instructor images were able to promote learners' learning satisfaction of instructor-student interaction more than no image and virtual image and promote satisfaction of instructor teaching more than virtual image. Meanwhile, learners' evaluation of the real instructor images was better than that of the virtual instructor image, and their evaluation of the face-beautified instructor image was better than the original image. Moreover, learners evaluated real instructor voices better than the computer-synthesized voice. In addition, the linear regression analysis revealed that the evaluations of both instructor's image and voice had a positive relationship with learners' social presence, learning satisfaction, and enjoyment, whereas they had a negative relationship with learner's boredom. And the evaluation of the instructor's image positively predicted student's transfer learning achievement. Thus, we suggested that the way of instructor presence should be well-designed and integrated with the course's instructional design and image and voice processing technology can be applied to assist online video course development.
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Affiliation(s)
- Mingze Yuan
- Lab of Learning Sciences, Graduate School of Education, Peking University, Beijing, China
| | - Jialing Zeng
- Lab of Learning Sciences, Graduate School of Education, Peking University, Beijing, China.,Department of Human Development, Teachers College, Columbia University, New York, NY, United States
| | - Aihua Wang
- Lab of Learning Sciences, Graduate School of Education, Peking University, Beijing, China
| | - Junjie Shang
- Lab of Learning Sciences, Graduate School of Education, Peking University, Beijing, China
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46
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Jo S, Kim HC, Lustig N, Chen G, Lee JH. Mixed-effects multilevel analysis followed by canonical correlation analysis is an effective fMRI tool for the investigation of idiosyncrasies. Hum Brain Mapp 2021; 42:5374-5396. [PMID: 34415651 PMCID: PMC8519860 DOI: 10.1002/hbm.25627] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
We report that regions-of-interest (ROIs) associated with idiosyncratic individual behavior can be identified from functional magnetic resonance imaging (fMRI) data using statistical approaches that explicitly model individual variability in neuronal activations, such as mixed-effects multilevel analysis (MEMA). We also show that the relationship between neuronal activation in fMRI and behavioral data can be modeled using canonical correlation analysis (CCA). A real-world dataset for the neuronal response to nicotine use was acquired using a custom-made MRI-compatible apparatus for the smoking of electronic cigarettes (e-cigarettes). Nineteen participants smoked e-cigarettes in an MRI scanner using the apparatus with two experimental conditions: e-cigarettes with nicotine (ECIG) and sham e-cigarettes without nicotine (SCIG) and subjective ratings were collected. The right insula was identified in the ECIG condition from the χ2 -test of the MEMA but not from the t-test, and the corresponding activations were significantly associated with the similarity scores (r = -.52, p = .041, confidence interval [CI] = [-0.78, -0.17]) and the urge-to-smoke scores (r = .73, p <.001, CI = [0.52, 0.88]). From the contrast between the two conditions (i.e., ECIG > SCIG), the right orbitofrontal cortex was identified from the χ2 -tests, and the corresponding neuronal activations showed a statistically meaningful association with similarity (r = -.58, p = .01, CI = [-0.84, -0.17]) and the urge to smoke (r = .34, p = .15, CI = [0.09, 0.56]). The validity of our analysis pipeline (i.e., MEMA followed by CCA) was further evaluated using the fMRI and behavioral data acquired from the working memory and gambling tasks available from the Human Connectome Project.
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Affiliation(s)
- Sungman Jo
- Department of Brain and Cognitive Engineering, Korea University, Seoul, Republic of Korea
| | - Hyun-Chul Kim
- Department of Brain and Cognitive Engineering, Korea University, Seoul, Republic of Korea.,Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Niv Lustig
- Department of Brain and Cognitive Engineering, Korea University, Seoul, Republic of Korea
| | - Gang Chen
- Scientific and Statistical Computing Core, NIMH/NIH/DHHS, Bethesda, Maryland
| | - Jong-Hwan Lee
- Department of Brain and Cognitive Engineering, Korea University, Seoul, Republic of Korea
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47
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Masaoka Y, Sugiyama H, Yoshida M, Yoshikawa A, Honma M, Koiwa N, Kamijo S, Watanabe K, Kubota S, Iizuka N, Ida M, Ono K, Izumizaki M. Odors Associated With Autobiographical Memory Induce Visual Imagination of Emotional Scenes as Well as Orbitofrontal-Fusiform Activation. Front Neurosci 2021; 15:709050. [PMID: 34413723 PMCID: PMC8369471 DOI: 10.3389/fnins.2021.709050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 07/14/2021] [Indexed: 11/28/2022] Open
Abstract
Specific odors can induce memories of the past, especially those associated with autobiographical and episodic memory. Odors associated with autobiographical memories have been found to elicit stronger activation in the orbitofrontal cortex, hippocampus, and parahippocampus compared with odors not linked to personal memories. Here, we examined whether continuous odor stimuli associated with autobiographical memories could activate the above olfactory areas in older adults and speculated regarding whether this odor stimulation could have a protective effect against age-related cognitive decline. Specifically, we used functional magnetic resonance imaging to investigate the relationship between blood oxygen levels in olfactory regions and odor-induced subjective memory retrieval and emotions associated with autobiographical memory in older adults. In our group of healthy older adults, the tested odors induced autobiographical memories that were accompanied by increasing levels of retrieval and the feeling of being "brought back in time." The strength of the subjective feelings, including vividness of the memory and degree of comfort, impacted activation of the left fusiform gyrus and left posterior orbitofrontal cortex. Further, our path model suggested that the strength of memory retrieval and of the emotions induced by odor-evoked autobiographical memories directly influenced neural changes in the left fusiform gyrus, and impacted left posterior orbitofrontal cortex activation through the left fusiform response.
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Affiliation(s)
- Yuri Masaoka
- Department of Physiology, Showa University School of Medicine, Tokyo, Japan
| | | | - Masaki Yoshida
- Department of Ophthalmology, Jikei University School of Medicine, Tokyo, Japan
| | - Akira Yoshikawa
- Department of Physiology, Showa University School of Medicine, Tokyo, Japan
| | - Motoyasu Honma
- Department of Physiology, Showa University School of Medicine, Tokyo, Japan
| | - Nobuyoshi Koiwa
- Human Arts and Sciences Research Center, University of Human Arts and Sciences, Saitama, Japan
| | - Shotaro Kamijo
- Department of Physiology, Showa University School of Medicine, Tokyo, Japan
| | - Keiko Watanabe
- Department of Neurology, Showa University School of Medicine, Tokyo, Japan
| | - Satomi Kubota
- Department of Neurology, Showa University School of Medicine, Tokyo, Japan
| | - Natsuko Iizuka
- Department of Neurology, Showa University School of Medicine, Tokyo, Japan
| | - Masahiro Ida
- National Hospital Organization Mito Medical Center, Ibaragiken, Japan
| | - Kenjiro Ono
- Department of Neurology, Showa University School of Medicine, Tokyo, Japan
| | - Masahiko Izumizaki
- Department of Physiology, Showa University School of Medicine, Tokyo, Japan
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48
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Isik AI, Vessel EA. From Visual Perception to Aesthetic Appeal: Brain Responses to Aesthetically Appealing Natural Landscape Movies. Front Hum Neurosci 2021; 15:676032. [PMID: 34366810 PMCID: PMC8336692 DOI: 10.3389/fnhum.2021.676032] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 06/29/2021] [Indexed: 11/13/2022] Open
Abstract
During aesthetically appealing visual experiences, visual content provides a basis for computation of affectively tinged representations of aesthetic value. How this happens in the brain is largely unexplored. Using engaging video clips of natural landscapes, we tested whether cortical regions that respond to perceptual aspects of an environment (e.g., spatial layout, object content and motion) were directly modulated by rated aesthetic appeal. Twenty-four participants watched a series of videos of natural landscapes while being scanned using functional magnetic resonance imaging (fMRI) and reported both continuous ratings of enjoyment (during the videos) and overall aesthetic judgments (after each video). Although landscape videos engaged a greater expanse of high-level visual cortex compared to that observed for images of landscapes, independently localized category-selective visual regions (e.g., scene-selective parahippocampal place area and motion-selective hMT+) were not significantly modulated by aesthetic appeal. Rather, a whole-brain analysis revealed modulations by aesthetic appeal in ventral (collateral sulcus) and lateral (middle occipital sulcus, posterior middle temporal gyrus) clusters that were adjacent to scene and motion selective regions. These findings suggest that aesthetic appeal per se is not represented in well-characterized feature- and category-selective regions of visual cortex. Rather, we propose that the observed activations reflect a local transformation from a feature-based visual representation to a representation of "elemental affect," computed through information-processing mechanisms that detect deviations from an observer's expectations. Furthermore, we found modulation by aesthetic appeal in subcortical reward structures but not in regions of the default-mode network (DMN) nor orbitofrontal cortex, and only weak evidence for associated changes in functional connectivity. In contrast to other visual aesthetic domains, aesthetically appealing interactions with natural landscapes may rely more heavily on comparisons between ongoing stimulation and well-formed representations of the natural world, and less on top-down processes for resolving ambiguities or assessing self-relevance.
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Affiliation(s)
- Ayse Ilkay Isik
- Department of Neuroscience, Max Planck Institute for Empirical Aesthetics, Frankfurt am Main, Germany
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49
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Ainsworth M, Sallet J, Joly O, Kyriazis D, Kriegeskorte N, Duncan J, Schüffelgen U, Rushworth MFS, Bell AH. Viewing Ambiguous Social Interactions Increases Functional Connectivity between Frontal and Temporal Nodes of the Social Brain. J Neurosci 2021; 41:6070-6086. [PMID: 34099508 PMCID: PMC8276745 DOI: 10.1523/jneurosci.0870-20.2021] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 04/19/2021] [Accepted: 04/28/2021] [Indexed: 11/25/2022] Open
Abstract
Social behavior is coordinated by a network of brain regions, including those involved in the perception of social stimuli and those involved in complex functions, such as inferring perceptual and mental states and controlling social interactions. The properties and function of many of these regions in isolation are relatively well understood, but less is known about how these regions interact while processing dynamic social interactions. To investigate whether the functional connectivity between brain regions is modulated by social context, we collected fMRI data from male monkeys (Macaca mulatta) viewing videos of social interactions labeled as "affiliative," "aggressive," or "ambiguous." We show activation related to the perception of social interactions along both banks of the superior temporal sulcus, parietal cortex, medial and lateral frontal cortex, and the caudate nucleus. Within this network, we show that fronto-temporal functional connectivity is significantly modulated by social context. Crucially, we link the observation of specific behaviors to changes in functional connectivity within our network. Viewing aggressive behavior was associated with a limited increase in temporo-temporal and a weak increase in cingulate-temporal connectivity. By contrast, viewing interactions where the outcome was uncertain was associated with a pronounced increase in temporo-temporal, and cingulate-temporal functional connectivity. We hypothesize that this widespread network synchronization occurs when cingulate and temporal areas coordinate their activity when more difficult social inferences are being made.SIGNIFICANCE STATEMENT Processing social information from our environment requires the activation of several brain regions, which are concentrated within the frontal and temporal lobes. However, little is known about how these areas interact to facilitate the processing of different social interactions. Here we show that functional connectivity within and between the frontal and temporal lobes is modulated by social context. Specifically, we demonstrate that viewing social interactions where the outcome was unclear is associated with increased synchrony within and between the cingulate cortex and temporal cortices. These findings suggest that the coordination between the cingulate and temporal cortices is enhanced when more difficult social inferences are being made.
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Affiliation(s)
- Matthew Ainsworth
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, United Kingdom, CB2 7EF
- Department of Experimental Psychology, University of Oxford, Oxford, United Kingdom, OX2 6GG
| | - Jérôme Sallet
- Department of Experimental Psychology, University of Oxford, Oxford, United Kingdom, OX2 6GG
- Wellcome Centre for Integrative Neuroimaging, University of Oxford, Oxford, United Kingdom, OX3 9DU
- Inserm, Stem Cell and Brain Research Institute U1208, Université Lyon 1, 69500 Bron, France
| | - Olivier Joly
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, United Kingdom, CB2 7EF
| | - Diana Kyriazis
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, United Kingdom, CB2 7EF
| | - Nikolaus Kriegeskorte
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, United Kingdom, CB2 7EF
- Zuckerman Mind Brain Institute, Columbia University, New York, New York, NY 10027
| | - John Duncan
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, United Kingdom, CB2 7EF
- Department of Experimental Psychology, University of Oxford, Oxford, United Kingdom, OX2 6GG
| | - Urs Schüffelgen
- Department of Experimental Psychology, University of Oxford, Oxford, United Kingdom, OX2 6GG
- Wellcome Centre for Integrative Neuroimaging, University of Oxford, Oxford, United Kingdom, OX3 9DU
| | - Matthew F S Rushworth
- Department of Experimental Psychology, University of Oxford, Oxford, United Kingdom, OX2 6GG
- Wellcome Centre for Integrative Neuroimaging, University of Oxford, Oxford, United Kingdom, OX3 9DU
| | - Andrew H Bell
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, United Kingdom, CB2 7EF
- Department of Experimental Psychology, University of Oxford, Oxford, United Kingdom, OX2 6GG
- Wellcome Centre for Integrative Neuroimaging, University of Oxford, Oxford, United Kingdom, OX3 9DU
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Matyjek M, Bayer M, Dziobek I. Pupillary Responses to Faces Are Modulated by Familiarity and Rewarding Context. Brain Sci 2021; 11:brainsci11060794. [PMID: 34208579 PMCID: PMC8235004 DOI: 10.3390/brainsci11060794] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 06/10/2021] [Accepted: 06/14/2021] [Indexed: 11/29/2022] Open
Abstract
Observing familiar (known, recognisable) and socially relevant (personally important) faces elicits activation in the brain’s reward circuit. Although smiling faces are often used as social rewards in research, it is firstly unclear whether familiarity and social relevance modulate the processing of faces differently, and secondly whether this processing depends on the feedback context, i.e., if it is different when smiles are delivered depending on performance or in the absence of any action (passive viewing). In this preregistered study, we compared pupillary responses to smiling faces differing in subjective familiarity and social relevance. They were displayed in a passive viewing task and in an active task (a speeded visual short-term memory task). The pupils were affected only in the active task and only by subjective familiarity. Contrary to expectations, smaller dilations were observed in response to more familiar faces. Behavioural ratings supported the superior rewarding context of the active task, with higher reward ratings for the game than the passive task. This study offers two major insights. Firstly, familiarity plays a role in the processing of social rewards, as known and unknown faces influence the autonomic responses differently. Secondly, the feedback context is crucial in reward research as positive stimuli are rewarding when they are dependent on performance.
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Affiliation(s)
- Magdalena Matyjek
- Berlin School of Mind and Brain, Humboldt-Universität zu Berlin, Luisenstr. 56, 10117 Berlin, Germany; (M.B.); (I.D.)
- Institute of Psychology, Humboldt-Universität zu Berlin, Rudower Chaussee, 12489 Berlin, Germany
- Correspondence:
| | - Mareike Bayer
- Berlin School of Mind and Brain, Humboldt-Universität zu Berlin, Luisenstr. 56, 10117 Berlin, Germany; (M.B.); (I.D.)
- Institute of Psychology, Humboldt-Universität zu Berlin, Rudower Chaussee, 12489 Berlin, Germany
| | - Isabel Dziobek
- Berlin School of Mind and Brain, Humboldt-Universität zu Berlin, Luisenstr. 56, 10117 Berlin, Germany; (M.B.); (I.D.)
- Institute of Psychology, Humboldt-Universität zu Berlin, Rudower Chaussee, 12489 Berlin, Germany
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