痴迷强迫症和并发性抑郁症的多模式预测 深脑电极提供的严重程度和能量
Saurabh Hinduja1, Ali Darzi1, Itir Onal Ertugrul2
1Department of Psychology, University of Pittsburgh, Pittsburgh, PA 15213 USA.
概括
研究人员开发了一种使用随机森林的新方法,从患者采访中准确预测强迫症 (OCD) 和抑郁症严重程度,以及深度大脑刺激 (DBS) 能量传递.
科学领域:
- 神经科学是一个神经科学.
- 计算精神病学是一种计算精神病学.
- 医疗技术 医疗技术 医学技术
背景情况:
- 开发对强迫症 (OCD) 严重程度和并发性抑郁症的客观措施对于治疗至关重要.
- 深度大脑刺激 (DBS) 是一种新兴的强迫症治疗方法,需要精确的能量传递.
- 目前对强迫症和抑郁症严重程度的评估方法可能是主观的,耗时的.
研究的目的:
- 创建可靠,有效和有效的测量强迫症严重程度,并发性抑郁症严重程度和DBS提供的总电能 (TEED).
- 评估随机森林回归模型在预测这些结果中的有效性.
- 探索基于行为指标的自动闭环DBS定位的潜力.
主要方法:
- 训练并比较随机森林回归模型的数据从六名参与者接受DBS耐火性强迫症.
- 在不同时间点的开放式采访中收集多模式行为数据 (视觉,听觉).
- 利用混合效应随机森林回归与Shapley特征减少用于预测和特征选择.
主要成果:
- 混合效应随机森林回归强烈预测了强迫症严重程度 (ICC=0.83),并发性抑郁症 (ICC=0.87) 和TEED (ICC=0.81).
- 多模式行为测量显著超过单模式测量.
- 特征选择大大减少了特征的数量,同时提高了预测准确性.
结论:
- 随机森林回归模型可以从行为采访数据中可靠和有效地预测强迫症严重程度,抑郁症严重程度和DBS能量传递.
- 这种多式联通方式为开发自动化,闭环DBS系统提供了一个有前途的途径.
- 这些发现支持在神经精神病学中整合计算方法进行客观的临床评估和治疗优化.
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