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Top-down regulation of left temporal cortex by hypnotic amusia for rhythm: A pilot study on mismatch Negativity

机译:催眠性失语自上而下调节左颞叶皮质节律:失配负性的初步研究

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摘要

To evaluate the effect of hypnotically induced amusia for rhythm (a condition in which individuals are unable to recognize melodies or rhythms) on mismatch negativity (MMN), 5 highly (HH) and 5 poorly (LH) hypnotizable nonmusician volunteers underwent MMN recording before and during a hypnotic suggestion for amusia. MMN amplitude was recorded using a 19-channel montage and then processed using the low-resolution electromagnetic tomography (LORETA) to localize its sources. MMN amplitude was significantly decreased during hypnotic amusia (p <.04) only in HH, where the LORETA maps of MMN showed a decreased source amplitude in the left temporal lobe, suggesting a hypnotic top-down regulation of activity of these areas and that these changes can be assessed by neurophysiological investigations.
机译:若要评估催眠性失眠引起的节奏(个人无法识别旋律或节奏的状况)对失配负(MMN)的影响,对5位高度(HH)和5位弱(LH)可催眠的非音乐家志愿者进行MMN记录,然后进行在对催眠的催眠建议中。使用19通道蒙太奇记录MMN振幅,然后使用低分辨率电磁层析成像(LORETA)处理以定位其源。仅在HH中,催眠性失语期间MMN幅度显着降低(p <.04),其中MMN的LORETA图显示左颞叶的源幅度降低,表明这些区域活动的催眠自上而下调节,并且这些变化可以通过神经生理学调查来评估。

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