生命早期的发作改变了习惯行为形成和前-前电路动力学
Michelle L Kloc1, Madeline G Shultes1, R Davi Pressman1
1Epilepsy, Cognition, and Development Group, Department of Neurological Sciences, University of Vermont Larner College of Medicine, Burlington, VT, USA.
Epilepsy & behavior : E&B
|June 23, 2023
概括
在老鼠中,早期发作 (ELS) 令人惊的是减少了习惯形成,与强迫症 (OCD) 模型不同. 这表明,改变前-状回路时间协调可能会影响强迫症和的并发症.
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.
- 计算神经科学是一种神经科学.
背景情况:
- 强迫症 (OCD) 和经常同时发生,影响生活质量.
- 这两种疾病都涉及过度刺激的神经回路,暗示了潜在的共同病理.
- 了解强迫症和之间的联系可能会揭示共同的电路机制.
研究的目的:
- 调查早期发作 (ELS) 是否会改变习惯形成,这是强迫症强迫行为的一个模型.
- 为了检查ELS大鼠的前-状回路活动和时间协调.
- 探索ELS如何影响对跨磁刺激 (TMS) 等干预措施的敏感性.
主要方法:
- 在老鼠中诱导的早期发作 (ELS).
- 在ELS大鼠和对照中评估习惯形成.
- 测量时间协调 (相连贯性,-联) 在前-上回路 (侧轨前皮质,背中状体).
- 使用皮层电刺激来模拟TMS效应.
主要成果:
- 患有ELS的老鼠的习惯形成明显低于对照组.
- 在ELS大鼠中观察到时间协调发生变化:前-上回路中的相连贯性降低和-马合.
- 与对照组相比,ELS大鼠对皮层刺激的敏感性不同.
结论:
- 与假设相反,ELS会损害习惯形成,而不是促进习惯形成.
- 前-状回路的时间协调变化与ELS有关,可能是行为变化的基础.
- 研究结果表明,ELS中的电路级变化可能会影响治疗反应,就像对TMS的治疗反应一样,在强迫症和中.
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Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
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Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
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