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局部的非侵蚀性神经调节辐射的核 Accumbens 改善自愿的过度饮酒迷你猪

Chun-I Yeh¹, Ke-Hsin Chen², Chia-Hsuan Lin³

¹Department of Psychology, National Taiwan University, Taipei, Taiwan; Neurobiology and Cognitive Science Center, National Taiwan University, Taipei, Taiwan; Graduate Institute of Brain and Mind Science, College of Medicine, National Taiwan University, Taipei, Taiwan.

Neuromodulation : journal of the International Neuromodulation Society

|December 16, 2025

概括

低剂量聚焦大脑辐射针对核 (NAc) 显著降低了猪的过度饮酒. 这种非侵入性神经调节方法显示出治疗成行为而不会造成组织损伤的前景.

科学领域:

神经科学是一个神经科学.
放射学放射学是一门学科.
行为科学行为科学

背景情况:

以前的研究表明,低剂量的焦点辐射诱导神经调节而不会损伤组织.
这种技术在治疗适应不良行为的潜力仍然未被探索.

研究的目的:

评估非侵入性,非消耗性,双边辐射的核聚合体 (NAc) 的治疗神经调节潜力.
在大型动物模型中评估焦点NAc辐射在减少自愿过度饮酒的有效性.
测试该假设,NAc内的焦点辐射可以改善类似上的行为.

主要方法:

在MRI指导下,李过度饮酒的微型猪接受了双边NAc立体辐射 (Dmax = 30 Gy,5毫米聚合器).
在辐射后的一年内,使用渐进式固定比率 (PFR) 任务量化了自愿饮酒量.
脑部MRI扫描每3个月进行一次,以监测辐射诱导的结构异常.

主要成果:

双边焦点NAc照射导致自愿饮酒量显著下降.
在术后观察到酒精摄入量减少,并持续下降9个月.
在整个1年的随访期间,自愿饮酒量仍低于治疗前水平.
在NAc中没有检测到辐射诱导的结构异常.

结论:

双边核内的低剂量,非消光的焦点辐射有效地减少了慢性过度自愿饮酒.
这种非侵入性神经调节技术在大型动物模型中显示了对成行为的治疗潜力.
焦点NAc照射为治疗物质使用障碍提供了一个有希望的途径,而不会导致可观察到的组织损伤.

关键词:

酒精使用障碍使用障碍.通过神经调节进行神经调节.中核 (NAc) 的核心 (nucleus accumbens) 已经形成.放射性外科手术放射性外科

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