感觉运动反控制功能障碍作为创伤后应激障碍的标志物
Jonathon R Howlett1, Heekyeong Park2, Martin P Paulus3
1VA San Diego Healthcare System, San Diego, California; Department of Psychiatry, University of California San Diego, La Jolla, California.
概括
患有创伤后应激障碍 (PTSD) 的人表现出感觉运动控制缺陷,特别是驱动 (Kp) 和缓冲 (Kd) 参数. 这些发现强调了与其他精神疾病相比,PTSD中明显的控制功能障碍.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 控制系统工程 控制系统工程
背景情况:
- 创伤后应激障碍 (PTSD) 与情绪,认知和感觉运动领域的抑制控制缺陷有关.
- 快速评估运动处理 (RAMP) 范式为传感运动控制提供了可靠的测量方法.
- 这项研究使用RAMP范式研究了PTSD中的感觉运动控制.
研究的目的:
- 为了研究患有PTSD的个体的感觉运动控制缺陷.
- 将PTSD中的对照表现与健康对照和非PTSD精神病组进行比较.
- 为了确定受PTSD影响的特定控制参数.
主要方法:
- 使用了快速评估电机处理 (RAMP) 的范式.
- 研究了40名患有PTSD的人,40名心情/焦虑障碍的人,以及40名健康对照人.
- 估计的比例导数控制参数:Kp (驱动) 和Kd (减压).
主要成果:
- 与健康和情绪/焦虑组相比,患有PTSD的个体表现出明显较低的Kp (驱动力).
- 在控制颜色词抑制后,Kp的这些差异仍然存在.
- Kd (缓解) 显著调解了PTSD和Kp缺陷之间的关系,占效果的96%.
结论:
- 动态控制范式有效地揭示了PTSD中的控制功能障碍.
- 特定的精神疾病可能会独特地影响感觉运动控制子组件.
- 研究结果表明,在不同的精神病诊断中,有不同的感觉运动控制概况.
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