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首页> 外文期刊>Journal of cognitive enhancement >Cold Stimuli on the Cheeks Activate the Left Ventrolateral Prefrontal Cortex and Enhance Cognitive Performance
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Cold Stimuli on the Cheeks Activate the Left Ventrolateral Prefrontal Cortex and Enhance Cognitive Performance

机译：脸颊上的冷刺激激活左侧腹侧前额叶皮层并增强认知性能

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摘要

Activation of the cerebral prefrontal cortex (PFC) has been reported to play important roles in neurocognitive functions, such as learning and cognitive performance. An increasing number of human studies using near-infrared spectroscopy (NIRS) have extensively investigated the activation of the PFC associated with cognitive tasks. However, the association of cold stimulus with neurocognitive function and PFC activation has not been elucidated using NIRS. We examined the effect of cold stimulus on the cheeks on the activation of the cerebral PFC using NIRS in 18 adult male participants. We also examined the percent change in cognitive performance related to the activation of the PFC in the Stroop cognitive test with and without cold stimulus. Cold stimulus on the cheeks significantly increased blood flow bilaterally in the PFC, including the left dorsolateral regions. An increase in the cognitive performance on the Stroop cognitive test was significantly associated with the cold stimulus, which coincided with enhanced activation of the left dorsolateral region of the PFC. Therefore, cold stimulus on the cheeks may lead to enhanced Stroop cognitive performance, accompanied by the activation of the left dorsolateral region of the PFC. Cold stimuli may be applied on the cheeks to improve cognitive performance by enhancing the PFC activities via trigeminal nerve stimulation in the daily life. Furthermore, the findings of the present study provide insights for practical, non-pharmaceutical interventions using cold stimuli for cognitive enhancement in the elderly.
机译：据报道，脑前额叶皮层（PFC）的激活在神经认知功能（例如学习和认知表现）中起着重要作用。使用近红外光谱法（NIR）的人类研究越来越多，已广泛研究了与认知任务相关的PFC的激活。然而，尚未使用NIRS阐明冷刺激与神经认知功能和PFC激活的关联。我们检查了冷刺激对脸颊的影响对18名成年男性参与者中NIR的脑PFC激活。我们还检查了与PFC在Stroop认知测试中的激活相关的认知性能的百分比变化，并没有冷刺激。脸颊上的冷刺激在PFC（包括左侧外侧区域）的双侧双侧显着增加。 Stroop认知测试中认知性能的提高与冷刺激显着相关，这与PFC左背外侧区域的激活增强相吻合。因此，脸颊上的冷刺激可能会导致Stroop认知性能增强，并伴随着PFC的左背外侧区域的激活。可以通过在日常生活中通过三叉神经刺激来增强PFC活性来提高脸颊上的冷刺激以改善认知性能。此外，本研究的发现为实用，非药物干预措施提供了见解，该干预措施使用冷刺激来增强老年人的认知能力。

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