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Increased resting-state activity in the cerebellum with mothers having less adaptive sensory processing and trait anxiety
Human Brain Mapping ( IF 4.8 ) Pub Date : 2021-07-16 , DOI: 10.1002/hbm.25594
Nobuko Sakakibara 1, 2 , Kai Makita 1 , Daiki Hiraoka 1, 3 , Ryoko Kasaba 1 , Ryo Kuboshita 4 , Koji Shimada 1, 2, 5 , Takashi X Fujisawa 1, 2 , Akemi Tomoda 1, 2, 6
Affiliation  

Child-rearing mothers with high levels of trait anxiety have a tendency for less adaptive sensory processing, which causes parenting stress. However, the neural mechanisms underlying this sensory processing and trait anxiety remain unclear. We aimed to determine the whole-brain spontaneous neural activity and sensory processing characteristics in mothers with varying parenting stress levels. Using resting-state functional magnetic resonance imaging, we assessed mothers caring for more than one preschool aged (2–5 years) child and presenting with varying levels of sensory processing, trait anxiety, and parenting stress. Spontaneous neural activities in select brain regions were evaluated by whole-brain correlation analyses based on the fractional amplitude of low-frequency fluctuations (fALFF). We found significant positive correlations between levels of sensory processing with trait anxiety and parenting stress. Mothers having less adaptive sensory processing had significantly increased resting-state network activities in the left lobule VI of the cerebellum. Increased fALFF values in the left lobule VI confirmed the mediation effect on the relationship between trait anxiety and sensory processing. A tendency for less adaptive sensory processing involving increased brain activity in lobule VI could be an indicator of maternal trait anxiety and the risk of parenting stress.

中文翻译:

小脑的静息状态活动增加,母亲的适应性感觉处理和特质焦虑较少

具有高度特质焦虑的育儿母亲倾向于缺乏适应性感觉处理,这会导致养育压力。然而,这种感觉处理和特质焦虑背后的神经机制仍不清楚。我们旨在确定具有不同育儿压力水平的母亲的全脑自发神经活动和感觉处理特征。使用静息状态功能磁共振成像,我们评估了照顾一名以上学龄前儿童(2-5 岁)并表现出不同程度的感觉处理、特质焦虑和养育压力的母亲。通过基于低频波动的分数幅度 (fALFF) 的全脑相关分析评估选定大脑区域的自发神经活动。我们发现感觉加工水平与特质焦虑和养育压力之间存在显着的正相关。具有较少适应性感觉处理的母亲显着增加了小脑左小叶VI的静息状态网络活动。左小叶 VI 中增加的 fALFF 值证实了对特质焦虑和感觉处理之间关系的中介作用。涉及小叶VI中大脑活动增加的适应性感觉处理的倾向可能是母亲特质焦虑和育儿压力风险的指标。左小叶 VI 中增加的 fALFF 值证实了对特质焦虑和感觉处理之间关系的中介作用。涉及小叶VI中大脑活动增加的适应性感觉处理的倾向可能是母亲特质焦虑和育儿压力风险的指标。左小叶 VI 中增加的 fALFF 值证实了对特质焦虑和感觉处理之间关系的中介作用。涉及小叶VI中大脑活动增加的适应性感觉处理的倾向可能是母亲特质焦虑和育儿压力风险的指标。
更新日期:2021-09-19
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