Wang Chun-Hao, Lo Yu-Hui, Pan Chien-Yu, Chen Fu-Chen, Liang Wei-Kuang, Tsai Chia-Liang
Institute of Physical Education, Health & Leisure Studies, National Cheng Kung University, Taiwan, Republic of China.
Department of Physical Education, National Kaohsiung Normal University, Taiwan, Republic of China.
Psychophysiology. 2015 Jun;52(6):801-12. doi: 10.1111/psyp.12402. Epub 2014 Dec 22.
Children with developmental coordination disorder (DCD) have been demonstrated to show attentional orienting deficits. The neural mechanism, however, has thus far remained elusive. Here, we measure oscillations in the EEG associated with attentional orienting to address this issue. The EEG was recorded from DCD children and typical developing (TD) controls during an eye-gaze cueing paradigm. DCD group responded more slowly than TD group across all conditions. Additionally, TD group showed higher frontal midline theta activities in both valid and invalid conditions relative to a neutral condition, with such an effect absent in the DCD group. Theta oscillations might reflect attentional processing in relation to the cues being performed in TD group, with the lessened modulation of theta in DCD group possibly reflecting a deficit in attentional orienting. Possible explanations for the DCD-TD differences in theta oscillation and attentional orienting are discussed.
患有发育性协调障碍(DCD)的儿童已被证明存在注意力定向缺陷。然而,其神经机制迄今仍不清楚。在此,我们测量与注意力定向相关的脑电图振荡以解决这一问题。在一个目光注视提示范式中,记录了DCD儿童和发育正常(TD)对照组的脑电图。在所有条件下,DCD组的反应都比TD组慢。此外,相对于中性条件,TD组在有效和无效条件下均表现出更高的额中线θ活动,而DCD组则没有这种效应。θ振荡可能反映了TD组中与提示相关的注意力处理过程,而DCD组中θ调制的减弱可能反映了注意力定向方面的缺陷。我们讨论了DCD组和TD组在θ振荡和注意力定向方面差异的可能解释。