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Auditory Stimulation

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Vitor Engracia Valenti – 1st expert on this subject based on the ideXlab platform

  • The effects of musical Auditory Stimulation on cardiorespiratory variables after aerobic exercise
    Science & Sports, 2018
    Co-Authors: Rayana Loch Gomes, Luiz Carlos M. Vanderlei, Luana Almeida Gonzaga, D. M. Garner, R.l. De Marco, Vitor Engracia Valenti

    Abstract:

    Summary Objective To investigate the effect of music Auditory Stimulation on cardiorespiratory parameters in recovery from exercise. Methods Thirty-five healthy men underwent an experimental protocol with three steps: maximal exercise test, control protocol and music protocol. The control protocol consisted of 15 minutes of rest, followed by 30 minutes of exercise on a treadmill and 60 minutes of recovery. In the music protocol volunteers were exposed to music Auditory Stimulation during exercise and recovery from exercise. We analyzed the following parameters: heart rate, blood pressure, respiratory rate and blood oxygen level during the initial rest stage and recovery. Results Statistical differences in heart rate between rest and post exercise (P  Conclusion Music Auditory Stimulation accelerated the recovery of heart rate and systolic blood pressure, however we can not state that this method alone can improve recovery after exercise in healthy subjects.

  • Heart Rate Variability and Acute Musical Auditory Stimulation
    Journal of Cardiology and Therapy, 2016
    Co-Authors: Rayana Loch Gomes, Luiz Carlos M. Vanderlei, Luana Almeida Gonzaga, Joana Zambrano Chambrone, Vitor Engracia Valenti

    Abstract:

    INTRODUCTION: It was observed that Auditory Stimulation with music influences the cardiovascular system. In this study, we described the relationship between musical Auditory Stimulation and heart rate variability (HR). METHOD: Searches were performed with the Medline, SciELO, Lilacs and Cochrane databases using the following keywords: “Music,” “autonomic nervous system”, “sympathetic nervous system”, “parasympathetic nervous system”, “heart rate” and “ECG”. RESULTS: Some studies showed that relaxant music acutely increase HRV through spectral analysis, while others reported that exciting music reduces global HRV. CONCLUSION: Music present acute responses that may be different depending on the style.

  • Symbolic Analysis of Heart Rate Variability During Exposure to Musical Auditory Stimulation.
    Alternative Therapies in Health and Medicine, 2016
    Co-Authors: Franciele Marques Vanderlei, Luiz Carlos De Abreu, David M. Garner, Vitor Engracia Valenti

    Abstract:

    BACKGROUND: In recent years, the application of nonlinear methods for analysis of heart rate variability (HRV) has increased. However, studies on the influence of music on cardiac autonomic modulation in those circumstances are rare. OBJECTIVE: The research team aimed to evaluate the acute effects on HRV of selected Auditory Stimulation by 2 musical styles, measuring the results using nonlinear methods of analysis: Shannon entropy, symbolic analysis, and correlation-dimension analysis. DESIGN: Prospective control study in which the volunteers were exposed to music and variables were compared between control (no Auditory Stimulation) and during exposure to music. SETTING: All procedures were performed in a sound-proofed room at the Faculty of Science and Technology at Sao Paulo State University (UNESP), Sao Paulo, Brazil. PARTICIPANTS: Participants were 22 healthy female students, aged between 18 and 30 y. INTERVENTION: Prior to the actual intervention, the participants remained at rest for 20 min, and then they were exposed to one of the selected types of music, either classical baroque (64-84 dB) or heavy-metal (75-84 dB). Each musical session lasted a total of 5 min and 15 s. At a point occurring up to 1 wk after that day, the participants listened to the second type of music. The 2 types of music were delivered in a random sequence that depended on the group to which the participant was assigned. OUTCOME MEASURES: The study analyzed the following HRV indices through Shannon entropy; symbolic analysis-0V%, 1V%, 2LV%, and 2ULV%; and correlation-dimension analysis. RESULTS: During exposure to Auditory Stimulation by heavy-metal or classical baroque music, the study established no statistically significant variations regarding the indices for the Shannon entropy; the symbolic analysis-0V%, 1V%, and 2ULV%; and the correlation-dimension analysis. However, during heavy-metal music, the 2LV% index in the symbolic analysis was reduced compared with the controls. CONCLUSIONS: Auditory Stimulation with the heavy-metal music reduced the parasympathetic modulation of HRV, whereas no significant changes occurred in cardiac autonomic modulation during exposure to the classical music.

Luiz Carlos De Abreu – 2nd expert on this subject based on the ideXlab platform

  • Auditory Stimulation with music influences the geometric indices of heart rate variability in response to the postural change maneuver.
    Noise & Health, 2020
    Co-Authors: Bianca C. R. De Castro, Luiz Carlos De Abreu, Heraldo Lorena Guida, Celso Ferreira, Carlos Bandeira De Mello Monteiro, Adriano L. Roque, Renata S Marcomini, Fernando Adami, Viviane F. Ribeiro, Fernando Luiz Affonso Fonseca

    Abstract:

    It is poor in the literature the behavior of the geometric indices of heart rate variability (HRV) during the musical Auditory Stimulation. The objective is to investigate the acute effects of classic musical Auditory Stimulation on the geometric indexes of HRV in women in response to the postural change maneuver (PCM). We evaluated 11 healthy women between 18 and 25 years old. We analyzed the following indices: Triangular index, Triangular interpolation of RR intervals and Poincarι plot (standard deviation of the instantaneous variability of the beat-to beat heart rate [SD1], standard deviation of long-term continuous RR interval variability and Ratio between the short – and long-term variations of RR intervals [SD1/SD2] ratio). HRV was recorded at seated rest for 10 min. The women quickly stood up from a seated position in up to 3 s and remained standing still for 15 min. HRV was recorded at the following periods: Rest, 0-5 min, 5-10 min and 10-15 min during standing. In the second protocol, the subject was exposed to Auditory musical Stimulation (Pachelbel-Canon in D) for 10 min at seated position before standing position. Shapiro-Wilk to verify normality of data and ANOVA for repeated measures followed by the Bonferroni test for parametric variables and Friedman’s followed by the Dunn’s posttest for non-parametric distributions. In the first protocol, all indices were reduced at 10-15 min after the volunteers stood up. In the protocol musical Auditory Stimulation, the SD1 index was reduced at 5-10 min after the volunteers stood up compared with the music period. The SD1/SD2 ratio was decreased at control and music period compared with 5-10 min after the volunteers stood up. Musical Auditory Stimulation attenuates the cardiac autonomic responses to the PCM.

  • Symbolic Analysis of Heart Rate Variability During Exposure to Musical Auditory Stimulation.
    Alternative Therapies in Health and Medicine, 2016
    Co-Authors: Franciele Marques Vanderlei, Luiz Carlos De Abreu, David M. Garner, Vitor Engracia Valenti

    Abstract:

    BACKGROUND: In recent years, the application of nonlinear methods for analysis of heart rate variability (HRV) has increased. However, studies on the influence of music on cardiac autonomic modulation in those circumstances are rare. OBJECTIVE: The research team aimed to evaluate the acute effects on HRV of selected Auditory Stimulation by 2 musical styles, measuring the results using nonlinear methods of analysis: Shannon entropy, symbolic analysis, and correlation-dimension analysis. DESIGN: Prospective control study in which the volunteers were exposed to music and variables were compared between control (no Auditory Stimulation) and during exposure to music. SETTING: All procedures were performed in a sound-proofed room at the Faculty of Science and Technology at Sao Paulo State University (UNESP), Sao Paulo, Brazil. PARTICIPANTS: Participants were 22 healthy female students, aged between 18 and 30 y. INTERVENTION: Prior to the actual intervention, the participants remained at rest for 20 min, and then they were exposed to one of the selected types of music, either classical baroque (64-84 dB) or heavy-metal (75-84 dB). Each musical session lasted a total of 5 min and 15 s. At a point occurring up to 1 wk after that day, the participants listened to the second type of music. The 2 types of music were delivered in a random sequence that depended on the group to which the participant was assigned. OUTCOME MEASURES: The study analyzed the following HRV indices through Shannon entropy; symbolic analysis-0V%, 1V%, 2LV%, and 2ULV%; and correlation-dimension analysis. RESULTS: During exposure to Auditory Stimulation by heavy-metal or classical baroque music, the study established no statistically significant variations regarding the indices for the Shannon entropy; the symbolic analysis-0V%, 1V%, and 2ULV%; and the correlation-dimension analysis. However, during heavy-metal music, the 2LV% index in the symbolic analysis was reduced compared with the controls. CONCLUSIONS: Auditory Stimulation with the heavy-metal music reduced the parasympathetic modulation of HRV, whereas no significant changes occurred in cardiac autonomic modulation during exposure to the classical music.

  • effects of Auditory Stimulation with music of different intensities on heart period
    Journal of Traditional and Complementary Medicine, 2016
    Co-Authors: Joice Anaize Tonon Do Amaral, Luiz Carlos De Abreu, Heraldo Lorena Guida, Viviani Barnabe, Franciele Marques Vanderlei, Vitor Engracia Valenti

    Abstract:

    Various studies have indicated that music therapy with relaxant music improves cardiac function of patients treated with cardiotoxic medication and heavy-metal music acutely reduces heart rate variability (HRV). There is also evidence that white noise Auditory Stimulation above 50 dB causes cardiac autonomic responses. In this study, we aimed to evaluate the acute effects of musical Auditory Stimulation with different intensities on cardiac autonomic regulation. This study was performed on 24 healthy women between 18 and 25 years of age. We analyzed HRV in the time [standard deviation of normal-to-normal RR intervals (SDNN), percentage of adjacent RR intervals with a difference of duration >50 ms (pNN50), and root-mean square of differences between adjacent normal RR intervals in a time interval (RMSSD)] and frequency [low frequency (LF), high frequency (HF), and LF/HF ratio] domains. HRV was recorded at rest for 10 minutes. Subsequently, the volunteers were exposed to baroque or heavy-metal music for 5 minutes through an earphone. The volunteers were exposed to three equivalent sound levels (60–70, 70–80, and 80–90 dB). After the first baroque or heavy-metal music, they remained at rest for 5 minutes and then they were exposed to the other music. The sequence of songs was randomized for each individual. Heavy-metal musical Auditory Stimulation at 80–90 dB reduced the SDNN index compared with control (44.39 ± 14.40 ms vs. 34.88 ± 8.69 ms), and Stimulation at 60–70 dB decreased the LF (ms2) index compared with control (668.83 ± 648.74 ms2 vs. 392.5 ± 179.94 ms2). Baroque music at 60–70 dB reduced the LF (ms2) index (587.75 ± 318.44 ms2 vs. 376.21 ± 178.85 ms2). In conclusion, heavy-metal and baroque musical Auditory Stimulation at lower intensities acutely reduced global modulation of the heart and only heavy-metal music reduced HRV at higher intensities.

Heraldo Lorena Guida – 3rd expert on this subject based on the ideXlab platform

  • Auditory Stimulation with music influences the geometric indices of heart rate variability in response to the postural change maneuver.
    Noise & Health, 2020
    Co-Authors: Bianca C. R. De Castro, Luiz Carlos De Abreu, Heraldo Lorena Guida, Celso Ferreira, Carlos Bandeira De Mello Monteiro, Adriano L. Roque, Renata S Marcomini, Fernando Adami, Viviane F. Ribeiro, Fernando Luiz Affonso Fonseca

    Abstract:

    It is poor in the literature the behavior of the geometric indices of heart rate variability (HRV) during the musical Auditory Stimulation. The objective is to investigate the acute effects of classic musical Auditory Stimulation on the geometric indexes of HRV in women in response to the postural change maneuver (PCM). We evaluated 11 healthy women between 18 and 25 years old. We analyzed the following indices: Triangular index, Triangular interpolation of RR intervals and Poincarι plot (standard deviation of the instantaneous variability of the beat-to beat heart rate [SD1], standard deviation of long-term continuous RR interval variability and Ratio between the short – and long-term variations of RR intervals [SD1/SD2] ratio). HRV was recorded at seated rest for 10 min. The women quickly stood up from a seated position in up to 3 s and remained standing still for 15 min. HRV was recorded at the following periods: Rest, 0-5 min, 5-10 min and 10-15 min during standing. In the second protocol, the subject was exposed to Auditory musical Stimulation (Pachelbel-Canon in D) for 10 min at seated position before standing position. Shapiro-Wilk to verify normality of data and ANOVA for repeated measures followed by the Bonferroni test for parametric variables and Friedman’s followed by the Dunn’s posttest for non-parametric distributions. In the first protocol, all indices were reduced at 10-15 min after the volunteers stood up. In the protocol musical Auditory Stimulation, the SD1 index was reduced at 5-10 min after the volunteers stood up compared with the music period. The SD1/SD2 ratio was decreased at control and music period compared with 5-10 min after the volunteers stood up. Musical Auditory Stimulation attenuates the cardiac autonomic responses to the PCM.

  • effects of Auditory Stimulation with music of different intensities on heart period
    Journal of Traditional and Complementary Medicine, 2016
    Co-Authors: Joice Anaize Tonon Do Amaral, Luiz Carlos De Abreu, Heraldo Lorena Guida, Viviani Barnabe, Franciele Marques Vanderlei, Vitor Engracia Valenti

    Abstract:

    Various studies have indicated that music therapy with relaxant music improves cardiac function of patients treated with cardiotoxic medication and heavy-metal music acutely reduces heart rate variability (HRV). There is also evidence that white noise Auditory Stimulation above 50 dB causes cardiac autonomic responses. In this study, we aimed to evaluate the acute effects of musical Auditory Stimulation with different intensities on cardiac autonomic regulation. This study was performed on 24 healthy women between 18 and 25 years of age. We analyzed HRV in the time [standard deviation of normal-to-normal RR intervals (SDNN), percentage of adjacent RR intervals with a difference of duration >50 ms (pNN50), and root-mean square of differences between adjacent normal RR intervals in a time interval (RMSSD)] and frequency [low frequency (LF), high frequency (HF), and LF/HF ratio] domains. HRV was recorded at rest for 10 minutes. Subsequently, the volunteers were exposed to baroque or heavy-metal music for 5 minutes through an earphone. The volunteers were exposed to three equivalent sound levels (60–70, 70–80, and 80–90 dB). After the first baroque or heavy-metal music, they remained at rest for 5 minutes and then they were exposed to the other music. The sequence of songs was randomized for each individual. Heavy-metal musical Auditory Stimulation at 80–90 dB reduced the SDNN index compared with control (44.39 ± 14.40 ms vs. 34.88 ± 8.69 ms), and Stimulation at 60–70 dB decreased the LF (ms2) index compared with control (668.83 ± 648.74 ms2 vs. 392.5 ± 179.94 ms2). Baroque music at 60–70 dB reduced the LF (ms2) index (587.75 ± 318.44 ms2 vs. 376.21 ± 178.85 ms2). In conclusion, heavy-metal and baroque musical Auditory Stimulation at lower intensities acutely reduced global modulation of the heart and only heavy-metal music reduced HRV at higher intensities.

  • The Effects of Musical Auditory Stimulation of Different Intensities on Geometric Indices of Heart Rate Variability.
    Alternative Therapies in Health and Medicine, 2015
    Co-Authors: Joice Anaize Tonon Do Amaral, Luiz Carlos De Abreu, Heraldo Lorena Guida, Franciele Marques Vanderlei, David M. Garner, Elaine Osorio, Vitor Engracia Valenti

    Abstract:

    BACKGROUND: Music has been proven to promote changes in cardiac autonomic modulation. However, it is not clear whether the effects of the Auditory Stimulation on heart rate variability (HRV) are dependent on its intensity. OBJECTIVE: The study intended to investigate the acute effects on the geometric HRV indices of Auditory Stimulation with heavy metal and baroque music using different intensities of Auditory Stimulation. DESIGN: The study was a nonrandomized, clinical trial. SETTING: The study was conducted at the facility of the Faculty of Sciences of the Sao Paulo State University, on the campus in Marilia, Brazil. PARTICIPANTS: Participants were 24 healthy women aged between 18 and 27 y. INTERVENTION: HRV was recorded for each participant for 10 min at rest. Subsequently, participants were exposed to baroque or heavy metal music through an earphone. They were exposed to 3 equivalent sound levels-60-70 decibels (dB), 70-80 dB, and 80-90 dB-for 5 min in each intensity range. After the first session of baroque or heavy metal music, participants rested for an additional 5 min. Then they were exposed to the other musical style. The first style played for each musical period was randomly selected for all individuals and then the other style would be played automatically for the second session. OUTCOME MEASURES: The HRV analysis was performed using the following geometrical methods: (1) the triangular index (RRtri), (2) the triangular interpolation of the RR interval histogram (TINN), and (3) the Poincare plot, using SD1-the standard deviation of the instantaneous variability of the beat-to beat heart rate (HR), SD2-the standard deviation of the long-term, continuous, RR interval variability, and the SD1/SD2 ratio-the ratio between the short- and long-term variations among the RR intervals. RESULTS: The classic baroque music by Johann Pachelbel, “Canon in D Major,” did not induce significant changes in the geometric indices of HRV at 60-70 dB, 70-80 dB, or 80-90 dB. However, Auditory Stimulation with heavy metal music, using “Heavy Metal Universe” by Gamma Ray, decreased the RRtri, TINN, and SD2 at 2 specific sound pressures (60-70 dB and 80-90 dB). CONCLUSIONS: Auditory Stimulation with the selected baroque music did not alter cardiac autonomic modulation, but the selected, heavy metal style of music in the lower and higher intensities reduced the global component of HRV acutely.