Development of Inhibitory Control during Infancy

项目摘要/摘要 随着第一年后期抑制过程的出现，婴儿开始表现出原始的自愿行为。 监管。我们的研究是一项发展认知神经科学对儿童精神发育的检查 抑制性控制。使用纵向设计，我们将测试行为和神经生理学水平 分析反映了婴儿期两种特定类型的抑制控制的差异：注意抑制和 认知抑制。从5到12个月大的婴儿每月观察一次，并进行完全抑制控制 在记录大脑电生理的同时完成任务。我们将使用行为、EEG功率和EEG连贯性 描述抑制性控制过程类型的发展。我们提议的研究对以下方面至关重要 了解早期认知发展。科学界需要进行这样的研究 表征早期认知的正常轨迹，以区分个体发展差异 从非最优轨迹。我们的研究将为抑制控制提供基础科学基础工作。 我们将回答三个研究问题。1)抑制控制的绩效分布是怎样的 任务？2)在不同类型的抑制性控制任务上的表现是否与每个年龄相关？3)什么是 两种抑制性对照的5~12月龄生长速度？

PROJECT SUMMARY / ABSTRACT With the emergence of inhibitory processes late in the first year, infants begin to exhibit primitive voluntary regulation. Our investigation is a developmental cognitive neuroscience examination of the development of inhibitory control. Using a longitudinal design, we will test whether behavioral and neurophysiological levels of analysis reflect distinctions in two specific types of inhibitory control during infancy: attention inhibition and cognitive inhibition. Infants will be seen monthly from 5 to 12 months of age and complete inhibitory control tasks while brain electrophysiology is recorded. We will use behavior, EEG power, and EEG coherence to characterize the development of types of inhibitory control processes. Our proposed study is critical for understanding early cognitive development. There is a need in the scientific community for research that characterizes normal trajectories in early cognition in order to distinguish individual differences in development from non-optimal trajectories. Our study will provide that basic science foundational work on inhibitory control. We will address three research questions. 1) What is the distribution of performance on the inhibitory control tasks? 2) Is performance on the different types of inhibitory control tasks correlated at each age? 3) What are growth rates of the two types of inhibitory control from 5 to 12 months of age?