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本文采用近红外光学漫射成象技术成功观测了左右前额区在知觉与语义编码中的活动． 发现大脑在完成上述两任务时，左前额的活动显著地强于右前额，语义加工引起的活动显著地强于知觉加工． 对于每一侧而言，与浅加工相比，深加工时的活动主要集中在下前额叶．上述结果进一步证实了左前额叶在语义加工中的作用．
In this paper, near-infrared optical diffusion imaging technique was used to successfully observe the activities of the left and right foreheads in perceptual and semantic coding. Finding the brain to perform both of these tasks, the activity of the left frontal was significantly stronger than that of the right frontal and semantic processing caused significantly more activity than perceptual processing. For each side, compared with the shallow processing, deep-processing activities mainly in the lower prefrontal lobe. The above results further confirm the role of left prefrontal semantic processing.