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Yoneta N, Watanabe H, Shimojo A, Takano K, Saito T, Yagyu K, Shiraishi H, Yokosawa K, Boasen J. Magnetoencephalography Hyperscanning Evidence of Differing Cognitive Strategies Due to Social Role During Auditory Communication. Front Neurosci 2022; 16:790057. [PMID: 35983225 PMCID: PMC9380591 DOI: 10.3389/fnins.2022.790057] [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: 10/06/2021] [Accepted: 06/23/2022] [Indexed: 11/30/2022] Open
Abstract
Auditory communication is an essential form of human social interaction. However, the intra-brain cortical-oscillatory drivers of auditory communication exchange remain relatively unexplored. We used improvisational music performance to simulate and capture the creativity and turn-taking dynamics of natural auditory communication. Using magnetoencephalography (MEG) hyperscanning in musicians, we targeted brain activity during periods of music communication imagery, and separately analyzed theta (5–7 Hz), alpha (8–13 Hz), and beta (15–29 Hz) source-level activity using a within-subjects, two-factor approach which considered the assigned social role of the subject (leader or follower) and whether communication responses were improvisational (yes or no). Theta activity related to improvisational communication and social role significantly interacted in the left isthmus cingulate cortex. Social role was furthermore differentiated by pronounced occipital alpha and beta amplitude increases suggestive of working memory retention engagement in Followers but not Leaders. The results offer compelling evidence for both musical and social neuroscience that the cognitive strategies, and correspondingly the memory and attention-associated oscillatory brain activities of interlocutors during communication differs according to their social role/hierarchy, thereby indicating that social role/hierarchy needs to be controlled for in social neuroscience research.
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Affiliation(s)
- Nano Yoneta
- Graduate School of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Hayato Watanabe
- Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
- Department of Child Studies, Toyooka Junior College, Toyooka, Japan
- Department of Child and Adolescent Psychiatry, Hokkaido University Hospital, Sapporo, Japan
| | - Atsushi Shimojo
- Department of Child and Adolescent Psychiatry, Hokkaido University Hospital, Sapporo, Japan
| | - Kazuyoshi Takano
- Graduate School of Health Sciences, Hokkaido University, Sapporo, Japan
| | - Takuya Saito
- Department of Child and Adolescent Psychiatry, Hokkaido University Hospital, Sapporo, Japan
| | - Kazuyori Yagyu
- Department of Child and Adolescent Psychiatry, Hokkaido University Hospital, Sapporo, Japan
| | - Hideaki Shiraishi
- Department of Pediatrics, Hokkaido University Hospital, Sapporo, Japan
| | - Koichi Yokosawa
- Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
- *Correspondence: Koichi Yokosawa,
| | - Jared Boasen
- Faculty of Health Sciences, Hokkaido University, Sapporo, Japan
- Tech3Lab, HEC Montréal, Montréal, QC, Canada
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Processing time affects sequential memory performance beginning at the level of visual encoding. PLoS One 2022; 17:e0265719. [PMID: 35320312 PMCID: PMC8942227 DOI: 10.1371/journal.pone.0265719] [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: 05/03/2021] [Accepted: 03/07/2022] [Indexed: 11/19/2022] Open
Abstract
Electrophysiological studies have demonstrated that theta-band activity is useful for investigating neural mechanisms of memory. However, mechanisms specifically driving memory performance remain poorly understood. In sequential memory, performance can be artificially attenuated by shortening the inter-stimulus interval (ISI) between memory item presentations. Therefore, we sought to clarify the mechanisms of sequential memory performance by analyzing theta-band (4–8 Hz) activity recorded via magnetoencephalogram in 33 participants during performance of a sequential memory task where memory items were presented at either slow or fast rates in accordance with longer or shorter ISIs, respectively. Particularly in the slow task, theta activity clearly modulated in accordance with the presentation of memory items. Common cortical target regions in the occipital and frontal cortex were identified in both tasks and related to visual encoding and memory maintenance, respectively. Compared to the slow task, occipital-theta activity was significantly lower in the fast task from the midterm until the ending of encoding, in correspondence with significantly lower recall for memory items in this same period. Meanwhile, despite a loss of clarity in responsiveness to individual memory items in the fast task, frontal-theta activity was not different between tasks and exhibited particularly strong responses in both tasks during the holding period prior to recall. Our results indicate that shorter processing time erodes sequential memory performance beginning at the level of visual encoding.
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Pavlov YG, Kotchoubey B. Oscillatory brain activity and maintenance of verbal and visual working memory: A systematic review. Psychophysiology 2020; 59:e13735. [PMID: 33278030 DOI: 10.1111/psyp.13735] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 11/04/2020] [Accepted: 11/10/2020] [Indexed: 12/15/2022]
Abstract
Brain oscillations likely play a significant role in the storage of information in working memory (WM). Despite the wide popularity of the topic, current attempts to summarize the research in the field are narrative reviews. We address this gap by providing a descriptive systematic review, in which we investigated oscillatory correlates of maintenance of verbal and visual information in WM. The systematic approach enabled us to challenge some common views popularized by previous research. The identified literature (100 EEG/MEG studies) highlighted the importance of theta oscillations in verbal WM: frontal midline theta enhanced with load in most verbal studies, while more equivocal results have been obtained in visual studies. Increasing WM load affected alpha activity in most studies, but the direction of the effect was inconsistent: the ratio of studies that found alpha increase versus decrease with increasing load was 80/20% in the verbal WM domain and close to 60/40% in the visual domain. Alpha asymmetry (left < right) was a common finding in both verbal and visual WM studies. Beta and gamma activity studies yielded the least convincing data: a diversity in the spatial and frequency distribution of beta activity prevented us from making a coherent conclusion; gamma rhythm was virtually neglected in verbal WM studies with no systematic support for sustained gamma changes during the delay in EEG studies in general.
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Affiliation(s)
- Yuri G Pavlov
- Institute of Medical Psychology and Behavioral Neurobiology, University of Tübingen, Tübingen, Germany.,Department of Psychology, Ural Federal University, Ekaterinburg, Russian Federation
| | - Boris Kotchoubey
- Institute of Medical Psychology and Behavioral Neurobiology, University of Tübingen, Tübingen, Germany
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