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慢性,可重复使用,多日神经像素记录在自由移动操作者行为期间.

Zhimin Song1, Abigail Alpers2, Kasey Warner2

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此摘要是机器生成的。

研究人员开发了一种用于慢性Neuropixels探头记录在自由移动的老鼠,使探头重复使用研究复杂行为期间的大脑活动的方法.

关键词:
认知灵活性 认知灵活性深度大脑刺激 刺激大脑配对的协同学习学习.设置换班班的时间.

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科学领域:

  • 神经科学是一个神经科学.
  • 电子生理学 电子生理学
  • 行为科学 行为科学

背景情况:

  • 电生理学记录对于理解大脑功能至关重要.
  • 神经像素探测器提供高分辨率的神经活动数据,但成本昂贵,并且仅限于急性,头部固定设置.
  • 以前的方法允许探头重复使用,但没有针对自由移动行为进行优化.

研究的目的:

  • 开发和验证一种用于慢性Neuropixels探针植入,扩张和重复使用在自由移动的老鼠中的方法.
  • 在复杂的操作行为过程中实现高密度的神经记录.
  • 提高神经像素记录在移动受试者的稳定性和可靠性.

主要方法:

  • 使用3D打印的外用于Neuropixels探针和头部,避免直接固定头骨进行探测.
  • 开发了一种稳定的电缆设置和受保护的头台连接,用于在自由移动的老鼠中进行慢性记录.
  • 在参与两个不同的操作行为任务的老鼠中进行了慢性记录.

主要成果:

  • 在操作任务期间,在自由移动的老鼠中成功实现了慢性单或双探头神经像素记录.
  • 证明了Neuropixels 1.0探针的可重复使用性,在检索和重新植入后,单个单位的持续高产量.
  • 在不同的行为范式中验证了方法的有效性.

结论:

  • 这种方法显著扩大了Neuropixels技术对自由移动的制剂和更广泛的物种的适用性.
  • 开发的方法在复杂的行为过程中促进了长期的神经记录,有助于研究认知和行为.
  • 慢性,可重复使用的Neuropixels录音为先进的神经科学研究提供了具有成本效益和多功能性的解决方案.