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Experimental modulation of mood by acoustic stimulation and its effect on exertional dyspnoea
  1. Pramod Sharma1,
  2. Liam Hall1,2,
  3. Norman R Morris1,3,
  4. Surendran Sabapathy1,
  5. Lewis Adams1
  1. 1 Menzies Health Institute Queensland, School of Allied Health Sciences, Griffith University, Gold Coast, Queensland, Australia
  2. 2 Faculty of Health, Deakin University, Burwood, Victoria, Australia
  3. 3 Metro North Hospital and Health Service, The Prince Charles Hospital, Brisbane, Queensland, Australia
  1. Correspondence to Dr Pramod Sharma, Menzies Health Institute Queensland, School of Allied Health Sciences, Griffith University, Gold Coast, QLD 4222, Australia; pramod.sharma{at}


We examined the interactions between acoustically driven mood modulation and dyspnoea. Following familiarisation, 18 healthy participants attended three experimental sessions on separate days performing two 5 min treadmill tests with a 30 min interval per session while listening to either a positive, negative or neutral set of standardised International Affective Digitised Sounds (IADS). Participants rated intensity and affective domains of dyspnoea during the first exercise test and mood during the second. Mood valence was significantly higher when listening to positive (mean (95% CI): 6.5 (5.9–7.2)) compared with negative sounds (3.6 (2.9–4.4); p<0.001). Dyspnoea intensity and affect were statistically significantly lower when listening to positive (2.4 (1.8–2.9) and 1.3 (0.7–1.9)) compared with negative IADS (3.2 (2.3–3.7), p=0.013 and 2.3 (1.3–3.3), p=0.009). These findings indicate that acoustically induced mood changes influence exertional dyspnoea.

  • exercise
  • perception of asthma/breathlessness

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  • PS and LH contributed equally.

  • Contributors PS made the primary contributions to the conception of this work with LH, NRM, SS and LA contributing substantially to its design. PS and LH were primarily responsible for data acquisition, analysis and interpretation and were assisted by LA, NRM and SS. Initial drafting of the manuscript was carried out by LH and PS with LA, SS and NRM providing critical revision.

  • Funding This study was supported by Griffith University New Researcher Grant awarded to PS and the National Health and Medical Research Council Grant APP597411 awarded to LA and NRM.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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