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Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
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The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
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在功能神经疾病中预测编码的精度动态.

Stanley Lyndon1,2,3

  • 1Harvard Medical School, Boston, MA 02115, USA.

Brain : a journal of neurology
|March 13, 2026
PubMed
概括

功能神经障碍 (FND) 涉及到来自改变大脑调节的真正症状,而不是组织损伤. 这种新模型解释FND是一个精确控制问题,有助于诊断和治疗.

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.
  • 临床神经学 临床神经学

背景情况:

  • 功能神经障碍 (FND) 呈现出复杂的,残疾的症状,结构完整性保持,具有挑战性的诊断和患者理解.
  • FND的症状是真实的,源于大脑调节的改变,而不是意识控制或组织损伤.

研究的目的:

  • 为了解功能神经障碍 (FND) 提供一个临床适用的框架,通过将其重新定义为预测编码中的精确控制障碍.
  • 解释FND症状背后的机制,指导诊断和治疗策略.

主要方法:

  • 模拟大脑的预测编码精度作为一个由兴奋和重新校准影响的动态量.
  • 使用一个四层次的等级模型 (情感,整感受,自感受,脊柱) 来说明症状的产生.
  • 分析激发如何影响预测权重和反抑制以产生FND症状.

主要成果:

  • 兴奋可以暂时导致不适应性预测占主导地位,抑制纠正反并导致各种FND症状.
  • 该模型解释了FND特征的迹象,如分心,引和放弃弱点.
  • 该框架澄清了FND中减少代理人的主观经验,而不暗示模仿.

结论:

关键词:
积极的推理推理.自主性兴奋的自主性兴奋动态精度控制的动态精度控制功能性神经系统疾病 功能性神经系统疾病失去代理机构的权力预测编码的预测编码.

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  • 预测编码精度框架为患者解释FND症状提供了一个直观的模型.
  • 它为物理治疗,心理治疗和正念/生物反等疗法提供了理由,通过准唤醒和精确重新校准.
  • 这种方法统一了诊断,沟通和治疗计划,为FND的精准指导护理奠定了基础.