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Moffat R, Caruana N, Cross ES. Inhibiting responses under the watch of a recently synchronized peer increases self-monitoring: evidence from functional near-infrared spectroscopy. Open Biol 2024; 14:230382. [PMID: 38378138 PMCID: PMC10878812 DOI: 10.1098/rsob.230382] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 01/30/2024] [Indexed: 02/22/2024] Open
Abstract
Developing motor synchrony with a peer (through interventions such as the mirror game) can yield collaborative, cognitive and social benefits. However, it is also well established that observation by an audience can improve cognition. The combined and relative advantages offered by motor synchronization and audience effects are not yet understood. It is important to address this gap to determine the extent to which synchronizing activities might interact with the positive effects of an audience. In this preregistered study, we investigate the extent to which response inhibition may be improved when observed by a peer after motor synchronization with this peer. We compare behavioural and cortical (functional near-infrared spectroscopy; fNIRS) measures of inhibition between synchronized and non-synchronized dyads and find that the presence of a synchronized peer-audience introduces a speed-accuracy trade-off, consisting of slower reaction times and improved accuracy. This co-occurs with cortical activation in bilateral inferior frontal and middle prefrontal cortices, which are implicated in monitoring and maintenance of social alignment. Our findings have implications for carers and support people, who may benefit from synchronizing activities for rehabilitating inhibition and social skills in clinical settings.
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Affiliation(s)
- R. Moffat
- School of Psychological Sciences, Macquarie University, Sydney, New South Wales 2109, Australia
- Professorship for Social Brain Sciences, ETH Zurich, Zurich 8092, Switzerland
| | - N. Caruana
- School of Psychological Sciences, Macquarie University, Sydney, New South Wales 2109, Australia
- College of Education, Psychology and Social Work, Flinders University, Bedford Park, South Australia, Australia
| | - E. S. Cross
- School of Psychological Sciences, Macquarie University, Sydney, New South Wales 2109, Australia
- MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Westmead Innovation Quarter Building U, Westmead New South Wales 2145, Australia
- Institute of Neuroscience and Psychology, University of Glasgow, Glasgow G12 8QB, UK
- Professorship for Social Brain Sciences, ETH Zurich, Zurich 8092, Switzerland
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Ishihara T, Hashimoto S, Tamba N, Hyodo K, Matsuda T, Takagishi H. The links between physical activity and prosocial behavior: an fNIRS hyperscanning study. Cereb Cortex 2024; 34:bhad509. [PMID: 38183181 DOI: 10.1093/cercor/bhad509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/22/2023] [Accepted: 11/22/2023] [Indexed: 01/07/2024] Open
Abstract
The prevalence of physically inactive lifestyles in modern society raises concerns about the potential association with poor brain health, particularly in the lateral prefrontal cortex, which is crucial for human prosocial behavior. Here, we explored the relationship between physical activity and prosocial behavior, focusing on potential neural markers, including intra-brain functional connectivity and inter-brain synchrony in the lateral prefrontal cortex. Forty participants, each paired with a stranger, completed two experimental conditions in a randomized order: (i) face-to-face and (ii) face stimulus (eye-to-eye contact with a face stimulus of a fictitious person displayed on the screen). Following each condition, participants played economic games with either their partner or an assumed person displayed on the screen. Neural activity in the lateral prefrontal cortex was recorded by functional near-infrared spectroscopy hyperscanning. Sparse multiset canonical correlation analysis showed that a physically inactive lifestyle was covaried with poorer reciprocity, greater trust, shorter decision-making time, and weaker intra-brain connectivity in the dorsal lateral prefrontal cortex and poorer inter-brain synchrony in the ventral lateral prefrontal cortex. These associations were observed exclusively in the face-to-face condition. Our findings suggest that a physically inactive lifestyle may alter human prosocial behavior by impairing adaptable prosocial decision-making in response to social factors through altered intra-brain functional connectivity and inter-brain synchrony.
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Affiliation(s)
- Toru Ishihara
- Graduate School of Human Development and Environment, Kobe University, 3-11 Tsurukabuto, Nada-ku, Kobe 657-8501, Japan
| | - Shinnosuke Hashimoto
- Graduate School of Human Development and Environment, Kobe University, 3-11 Tsurukabuto, Nada-ku, Kobe 657-8501, Japan
| | - Natsuki Tamba
- Faculty of Global Human Sciences, Kobe University, 3-11 Tsurukabuto, Nada-ku, Kobe 657-8501, Japan
| | - Kazuki Hyodo
- Physical Fitness Research Institute, Meiji Yasuda Life Foundation of Health and Welfare, Tobuki 150, Hachioji, Tokyo 192-0001, Japan
| | - Tetsuya Matsuda
- Tamagawa University Brain Science Institute, 6-1-1 Tamagawagakuen, Machida, Tokyo 194-8610, Japan
| | - Haruto Takagishi
- Tamagawa University Brain Science Institute, 6-1-1 Tamagawagakuen, Machida, Tokyo 194-8610, Japan
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Zhang Y, Liu D, Zhang P, Li T, Li Z, Gao F. Combining robust level extraction and unsupervised adaptive classification for high-accuracy fNIRS-BCI: An evidence on single-trial differentiation between mentally arithmetic- and singing-tasks. Front Neurosci 2022; 16:938518. [PMID: 36300170 PMCID: PMC9589108 DOI: 10.3389/fnins.2022.938518] [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: 05/07/2022] [Accepted: 09/12/2022] [Indexed: 11/18/2022] Open
Abstract
Functional near-infrared spectroscopy (fNIRS) is a safe and non-invasive optical imaging technique that is being increasingly used in brain-computer interfaces (BCIs) to recognize mental tasks. Unlike electroencephalography (EEG) which directly measures neural activation, fNIRS signals reflect neurovascular-coupling inducing hemodynamic response that can be slow in time and varying in the pattern. The established classifiers extend the EEG-ones by mostly employing the feature based supervised models such as the support vector machine (SVM) and linear discriminant analysis (LDA), and fail to timely characterize the level-sensitive hemodynamic pattern. A dedicated classifier is desired for intentional activity recognition of fNIRS-BCI, including the adaptive acquisition of response relevant features and accurate discrimination of implied ideas. To this end, we herein propose a specifically-designed joint adaptive classification method that combines a Kalman filtering (KF) for robust level extraction and an adaptive Gaussian mixture model (a-GMM) for enhanced pattern recognition. The simulative investigations and paradigm experiments have shown that the proposed KF/a-GMM classification method can effectively track the random variations of task-evoked brain activation patterns, and improve the accuracy of single-trial classification task of mental arithmetic vs. mental singing, as compared to the conventional methods, e.g., those that employ combinations of the band-pass filtering (BPF) based feature extractors (mean, slope, and variance, etc.) and the classical recognizers (GMM, SVM, and LDA). The proposed approach paves a promising way for developing the real-time fNIRS-BCI technique.
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Affiliation(s)
- Yao Zhang
- College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin, China
| | - Dongyuan Liu
- College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin, China
| | - Pengrui Zhang
- College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin, China
| | - Tieni Li
- College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin, China
| | - Zhiyong Li
- College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin, China
| | - Feng Gao
- College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin, China
- Tianjin Key Laboratory of Biomedical Detecting Techniques and Instruments, Tianjin University, Tianjin, China
- *Correspondence: Feng Gao
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Sinko L, Regier P, Curtin A, Ayaz H, Rose Childress A, Teitelman AM. Neural correlates of cognitive control in women with a history of sexual violence suggest altered prefrontal cortical activity during cognitive processing. WOMEN'S HEALTH (LONDON, ENGLAND) 2022; 18:17455057221081326. [PMID: 35225075 PMCID: PMC8883288 DOI: 10.1177/17455057221081326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 01/31/2022] [Accepted: 02/01/2022] [Indexed: 06/14/2023]
Abstract
OBJECTIVE Women's experiences of sexual violence can be not only psychologically and physically traumatizing but may also have lasting effects on brain functions, including cognitive control relating to the inhibition and processing of emotion. Thus, the purpose of this pilot study is to explore underlying neural correlates of sexual violence's impact on cognitive control in women. METHODS Thirty women (aged 21-30 years) participants underwent a quantitative survey along with an affect-congruent Go-NoGo task. Prefrontal activity was monitored using functional near-infrared spectroscopy, a portable neuroimaging technology. An analysis of variance tested for main effects of the condition (Go versus NoGo), group (sexual violence versus no prior sexual violence), and potential interactions. RESULTS Fifteen of 30 women reported a history of childhood (n = 5) and/or adult (n = 12) sexual violence. Those with sexual violence histories reported significantly higher depression, anxiety, and posttraumatic stress symptoms, as well as increased impulsivity compared to their peers. Behavioral performance did not differ between the groups; however, functional near-infrared spectroscopy data revealed a significant (group × condition) interaction in Optodes 13 and 16. Women with histories of sexual violence had a significantly lower response during the "NoGo" condition and a heightened response during the "Go" condition, in the right dorsolateral prefrontal cortex. CONCLUSION These results suggest altered prefrontal cortical activity during cognitive processing in women with a history of sexual violence, showing hypoactivity during response inhibition and hyperactivity to the positive stimuli. These findings have strong translational promise for innovative assessment and prevention of untoward effects among women with sexual violence.
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Affiliation(s)
- Laura Sinko
- Department of Nursing, College of Public Health, Temple University, Philadelphia, PA, USA
| | - Paul Regier
- Department of Psychiatry, Center for Studies of Addiction, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Adrian Curtin
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA
| | - Hasan Ayaz
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA
- School of Nursing, University of Pennsylvania, Philadelphia, PA, USA
- Department of Psychology, College of Arts and Sciences, Drexel University, Philadelphia, PA, USA
- Drexel Solutions Institute, Drexel University, Philadelphia, PA, USA
- Center for Injury Research and Prevention, Children’s Hospital of Philadelphia, Philadelphia, PA, USA
| | - Anna Rose Childress
- Department of Psychiatry, Center for Studies of Addiction, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Anne M Teitelman
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA
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