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Background: The evaluation and treatment of disorders of consciousness(DOC) is a challenging undertaking. Now many neuroimaging techniques were used to detect the level of consciousness and electroencephagram(EEG) was widely used because of its high temporal resolution. Music would be an effective for DOC, due to its highly arousal value. Preferred music was near to persons, so that it would excite more range of cortical and increase the functional connectivity between cortices.
Methods: The exploratory study included 15 health controls and 30 DOC, with 15 minimally conscious state(MCS) and 15 vegetative state(VS). After 5 minutes baseline silence, they listened to relaxing music(RM), preferred music(PM) and amplitude modulated sound(AMS), with 5 minutes baseline silence in the end, meanwhile EEG recorded their cortical activity. Each music was appropriately 5 minutes and separated by 3 minutes washout.
Discussion: The study would verify the effect of preferred music to the functional connectivity of DOC. Music would excite the networks related to consciousness by cross-modal.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Disorders of consciousness(DOC) | Experimental | The participants in this arm are disorders of consciousness, containing of vegetative state(VS) and minimally conscious state(MCS). |
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| Health control | Other | They are health people with normal hearing, acting as a control for DOC group. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Listening to music | Other | After 5 minutes baseline, participants would listen to three kinds of music with 3 minutes washout and another 5 minutes baseline in the end, while EEG would record their cortical activity. And the order of the three kinds of music is random. |
| Measure | Description | Time Frame |
|---|---|---|
| Functional connectivity for Baseline EEG | EEG would record participants' cortical activity while they are keeping quiet with their eyes opened for 5 minutes, and parameters relative to functional connectivity which could be calculated from offline EEG data. The EEG data would be separated to five frequency bands: δ (1-4 Hz), θ (4-8 Hz), α (8-13 Hz), β (13-30 Hz), and γ (30-45 Hz) and the functional connectivity would be calculated by each frequency bands. | After approximately 5 minutes baseline. |
| Functional connectivity for relaxing music EEG | EEG would record participants' cortical activity while they are listening to relaxing music for approximately 5 minutes, and parameters relative to functional connectivity which could be calculated from offline EEG data. The EEG data would be separated to five frequency bands: δ (1-4 Hz), θ (4-8 Hz), α (8-13 Hz), β (13-30 Hz), and γ (30-45 Hz) and the functional connectivity would be calculated by each frequency bands. | After approximately 5 minutes relaxing music. |
| Functional connectivity for preferred music EEG | EEG would record participants' cortical activity while they are listening to preferred music for approximately 5 minutes, and parameters relative to functional connectivity which could be calculated from offline EEG data. The EEG data would be separated to five frequency bands: δ (1-4 Hz), θ (4-8 Hz), α (8-13 Hz), β (13-30 Hz), and γ (30-45 Hz) and the functional connectivity would be calculated by each frequency bands. | After approximately 5 minutes preferred music. |
| Functional connectivity for amplitude modulated sound EEG | EEG would record participants' cortical activity while they are listening to amplitude modulation sound for approximately 6 minutes, and parameters relative to functional connectivity which could be calculated from offline EEG data. The EEG data would be separated to five frequency bands: δ (1-4 Hz), θ (4-8 Hz), α (8-13 Hz), β (13-30 Hz), and γ (30-45 Hz) and the functional connectivity would be calculated by each frequency bands. |
| Measure | Description | Time Frame |
|---|---|---|
| Heart Rate Variability(HRV) for baseline | Another two electrodes would be placed upon the hands and record participants' heart rate. HRV would be analyzed offline. | After approximately 5 minutes baseline. |
| Heart Rate Variability(HRV) for relaxing music |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Qiuyi M Xiao, BSc | Contact | +8618302083474 | 2936404912@qq.com | |
| Qiuyou Xie, PhD | Contact | +8613903019604 | 764942251@qq.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Zhujiang Hospital of Southern Medical University | Recruiting | Guangzhou | Guangdong | 510280 | China |
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| ID | Term |
|---|---|
| D003244 | Consciousness Disorders |
| ID | Term |
|---|---|
| D019954 | Neurobehavioral Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
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| After approximately 6 minutes amplitude modulated sound. |
Another two electrodes would be placed upon the hands and record participants' heart rate. HRV would be analyzed offline. |
| After approximately 5 minutes relaxing music. |
| Heart Rate Variability(HRV) for preferred music | Another two electrodes would be placed upon the hands and record participants' heart rate. HRV would be analyzed offline. | After approximately 5 minutes preferred music. |
| Heart Rate Variability(HRV) for amplitude modulated sound | Another two electrodes would be placed upon the hands and record participants' heart rate. HRV would be analyzed offline. | After approximately 6 minutes amplitude modulated sound. |
| The Music Therapy Assessment Tool for Awareness in Disorders of Consciousness(MATADOC) | A scale contains three sub-scale, such as Principal Subscale: Essential Categories(scoring from 0 to 17, with the higher scores, the better status), Musical parameter and behavioural response type(scoring from 13 to 26, with the higher scores, the better status), Clinical information to inform goal setting and clinical care. The music therapist would give score from watching the video after study. | After approximately 5 minutes preferred music. |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D019965 | Neurocognitive Disorders |
| D001523 | Mental Disorders |