Choral singing, performance perception, and immune system changes in salivary immunoglobulin A and cortisol

Author(s): Cesario, T. C., Yousefi, A., Enamoto, H.

Journal/Book: Music Percept. 2000; 18: C/O Journals Division 2000 Center St, Ste 303, Berkeley, CA 94704-1223, USA. Univ Calif Press. 87-106.

Abstract: In a naturalistic pre-post design, samples of saliva were collected from the members of a professional chorale during an early rehearsal (n = 31), a late rehearsal (n = 34) and a public performance (n = 32) of Beethoven's Missa Solemnis. As measures of immune system response, mean levels of secretory immunoglobulin A increased significantly, as a proportion of whole protein, 150% during rehearsals and 240% during;:he performance. Cortisol concentrations decreased significantly an average of 30% during rehearsals and increased 37% during performance. As measured through performance perception rating scales, a group of emotions and other experiential states that singers associated with professional singing were highly predictive of changes in level of secretory immunoglobulin A during the performance condition, but the results for the rehearsal conditions were not significant. The best multiple regression model for performance level of immunoglobulin A (p < .0015) included I,even emotional, cognitive, and evaluative variables generally associated with choral singing, including levels of mood before and during singing, stress, relaxation, feeling ''high,'' detachment/engagement, and specific satisfaction with the immediate performance.

Note: Article Beck RJ, Univ Calif Irvine, Dept Educ, 2001 Berkeley Pl, Irvine,CA 92697 USA

Keyword(s): SECRETION RATE; POWER MOTIVATION; IGA; STRESS; ANXIETY

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