The brain substance is involved both in anticipating a particularly thrilling musical moment and in feeling the rush from it, researchers found.

调查者发现，听音乐时，人们在期待下一个激动人心的节拍和感受音乐的律动时都需要用到这种化学物质。

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The problem associated with the addition of brain substance to the diet is associated with bad taste and unpleasant attributes of the brain substance.

将脑物质加入至膳食中的相关问题是与脑物质的不良味道和不愉快性质有关。

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Brain injury in late period term infants mainly had cystoid alteration and atrophy in brain substance while preterm infants had mainly white matter malacia surrounding the brain ventricle.

晚期脑损伤足月儿以脑实质内囊腔样改变和脑萎缩改变为主，早产儿以脑室周匿白质软化为主。

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For instance, Merck and Pfizer spent years trying to develop drugs that worked on a mysterious brain chemical called substance P.

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Growth hormone is a naturally occurring substance secreted by the brain that helps guide growth in childhood and maintain muscle mass during adulthood.

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Why would such an oddball substance be found in the brain at all?

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