Correlates of Attention in the Cingulate Cortex During Gambling in Humans

Correlates of Attention in the Cingulate Cortex During Gambling in Humans
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人类赌博期间扣带皮层注意力的相关性

DOI:
10.1109/embc44109.2020.9175499
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发表时间:
2020
期刊:
42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC
影响因子:
--
通讯作者:
Sarma, Sridevi V.
Sarma, Sridevi V.
中科院分区:
--
文献类型:
--
作者:
Taylor, Christopher;Greene, Patrick;D'Aleo, Raina;Breault, Macauley Smith;Steinhardt, Cynthia;Gonzalez-Martinez, Jorge;Sarma, Sridevi V.

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人们每天都会做出多次决定。然而,有些决定比其他决定更容易做出,可能需要更多的关注才能确保积极的结果。在赌博过程中,人们应该尝试计算与决策相关的预期回报和风险。未能分配注意力和神经资源来估计这些价值可能代价高昂,在某些情况下可能会导致破产。大脑中的阿尔法频段(8-12赫兹)振荡功率被认为反映了注意力,但这如何影响财务决策并未得到很好的理解。使用9名执行赌博任务的人类受试者的局部场电位记录,我们比较了低注意力和高注意力试验期间扣带皮质(CC)的阿尔法波段功率。我们发现,在低注意力试验中显示注视线索后的2秒时间内,阿尔法波段的能量往往更高。
People make decisions multiple times on a daily basis. However, some decisions are easier to make than others and perhaps require more attention to ensure a positive outcome. During gambling, one should attempt to compute the expected rewards and risks associated with decisions. Failing to allocate attention and neural resources to estimate these values can be costly, and in some cases can lead to bankruptcy. Alpha-band (8-12 Hz) oscillatory power in the brain is thought to reflect attention, but how this influences financial decision making is not well understood. Using local field potential recordings in nine human subjects performing a gambling task, we compared alpha-band power from the cingulate cortex (CC) during trials of low and high attention. We found that alpha-band power tended to be higher during a 2 second window after a fixation cue was shown in low attention trials.
DOI: 10.1176/appi.ajp.162.12.2322
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