家庭肥胖风险较高的儿童在超重状态发展之前表现出执行功能缺陷
Alaina L Pearce1, Kyle Hallisky1, Barbara J Rolls1
1Department of Nutritional Science, Pennsylvania State University, University Park, Pennsylvania, USA.
Obesity (Silver Spring, Md.)
|October 4, 2023
概括
患肥胖家族风险较高的儿童表现出执行功能受损,特别是抑制性控制和工作记忆,甚至在肥胖发展之前. 这表明执行功能缺陷可能会在有风险的年轻人中先于肥胖.
科学领域:
- 儿童心理学 儿童心理学
- 肥胖问题研究研究
- 神经科学是一个神经科学.
背景情况:
- 肥胖的家族风险是儿童肥胖的重要预测因素.
- 执行功能,包括抑制控制和工作记忆,对于认知发展和行为调节至关重要.
- 了解肥胖风险的早期标志物对于及时干预至关重要.
研究的目的:
- 调查健康体重但家族肥胖风险不同的儿童在执行功能方面是否表现出差异.
- 为了比较家庭肥胖风险高和低的儿童之间的执行功能.
- 检查家族风险,儿童肥胖和执行功能之间的关联.
主要方法:
- 评估了93名没有肥胖症的儿童 (年龄为7至8岁) 的队列.
- 家庭风险取决于母亲的体重状况.
- 用去/不去,停止信号和N-back任务来评估执行功能;使用DXA测量脂肪度.
主要成果:
- 与低风险儿童相比,高家族风险的儿童表现出较差的抑制控制.
- 高家族风险和更大的儿童肥胖都与高认知负载下工作记忆表现较差有关.
- 家庭风险对执行功能的相对影响要大得多,而不是人体脂肪的百分比.
结论:
- 在高家族风险的儿童中,执行功能缺陷可能会先于肥胖的发展.
- 这些发现强调了家族因素在塑造早期执行功能和肥胖风险方面的作用.
- 需要进一步的研究来澄清将母亲肥胖与儿童执行功能和肥胖风险联系在一起的机制.
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