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一般认为:对成人高强度的听刺激,有可能使心率加快,而低强度的听刺激,则使心率减慢。在刺激开始时心率变慢,重复同一刺激后会逐渐习惯。最近Mulac及Gerber认为听刺激后的心率改变为一种全或无现象。在婴儿,听刺激引起心率加快。在较大的婴儿,心事加快之前可有极小的减缓。3～5个月的婴儿,对语言刺激会有较明显的心率减缓。在成人,心率反应是加快或是减缓与其所处的条件有关。
Generally believed that: high-intensity adult hearing stimulation, it is possible to make the heart rate, and low-intensity listening stimuli, then the heart rate slows. Heart rate slows down at the start of the stimulus and gradually gets used to the same stimulus. Recently, Mulac and Gerber thought the heart rate after a stimulus was changed to be all or nothing. In infants, listening to stimulate the heart rate. In larger babies, there is minimal delay before things get faster. 3 to 5 months of infants, the language stimulation will have more obvious heart rate. In adults, heart rate response is to speed up or slow down with the conditions in which it is concerned.