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Music performance anxiety (MPA) manifests itself at mental, physiological, and behavioral levels. The present study investigated how the experience of the three levels of symptoms changes over time, and how musicians cope with these temporal changes in MPA symptoms. To this end, we conducted a questionnaire survey in which 38 student musicians freely commented on their experiences of mental and physical changes, as well as their coping strategies for these changes. This was examined during five different time periods around public performance, extending from the beginning of the preparation for a public performance until shortly before the next public performance. The free-text comments obtained from the questionnaire were analyzed thematically and classified into different response themes. We then examined the temporal changes in the frequency of comments on each response theme. We further conducted a semi-structured interview involving eight musicians to explore the responses to the questionnaire in greater detail. We analyzed the contents of the free-text comments obtained from the questionnaire and the interview for each response theme, focusing on the most frequently mentioned sub-themes. The results indicate that musicians started to experience mental MPA symptoms (e.g., negative feelings) as soon as they began to prepare for public performance. To cope with mental symptoms, musicians employed mental strategies such as positive thinking/self-talk and concentration both before and during public performance. The experience of physiological MPA symptoms (e.g., increased heart rate) peaked shortly before public performance and remained throughout performance. To cope with a variety of physiological symptoms, musicians employed physical strategies, especially deep breathing and exercise, shortly before public performance. In contrast, behavioral MPA symptoms (e.g., tremor) were experienced mostly during public performance. Some musicians also reported experiencing the actual impairment of performance quality. To avoid this, musicians employed a variety of practicing techniques (e.g., playing at a slower tempo) during the preparation for public performance and performing techniques (e.g., paying attention to expressions) during public performance. Together, the present findings indicate that mental, physiological, and behavioral symptoms of MPA exhibit differential timelines and that musicians effectively utilize different coping strategies according to the temporal changes in MPA symptoms.

Abstract Sense of agency (SoA), a feeling that one’s voluntary actions produce events in the external world, is a key factor behind every goal-directed human behaviour. Recent studies have demonstrated that SoA is reduced when one’s voluntary action causes negative outcomes, compared to when it causes positive outcomes. It is yet unclear whether this emotional modulation of SoA is caused by predicting the outcome valence (prediction hypothesis) or by retrospectively interpreting the outcome (postdiction hypothesis). To address this, we emulated a social situation where one’s voluntary action was followed by either another’s negative emotional vocalisation or positive emotional vocalisation. Crucially, the relation between an action and the emotional valence of its outcome was predictable in some blocks of trials, but unpredictable in other blocks. Quantitative, implicit measures of SoA based on the intentional binding effect supported the prediction hypothesis. Our findings imply that the social-emotional modulation of SoA is based on predicting the emotional valence of action outcomes.

We investigated differences in trunk rotation patterns during baseball batting in eight skilled (collegiate level) players and nine unskilled novices using high-speed video cameras. The maximum angle during the backswing, angle at bat-ball impact, and angular displacement during the forward swing were analyzed for data on upper torso, pelvis, and torso-pelvis interaction (trunk twist) angles. We also noted movement variability in these angles over 10 trials, which was calculated as the standard deviation. The timing of the maximum angle during the backswing and variability was also analyzed. Statistical analysis revealed that angular displacements in the upper torso, pelvis, and torso-pelvis interaction were significantly larger in skilled players than in unskilled novices (p < 0.001, p < 0.001, and p < 0.05, respectively). The timing of the maximum pelvis angle during the backswing was significantly later in skilled players than in unskilled novices (p < 0.05). Movement variability in angular displacement during the forward swing and timing during the backswing were significantly greater in unskilled novices than skilled players. Although many previous studies reported the importance of angular velocity in trunk rotation during baseball batting, our results indicate that angular displacement and movement variability during trunk rotation are also key components for understanding the proficiency of skilled baseball players and unskilled novices.