一个相对价值决定的上升到值过程
Vikram Vijayan1, Fei Wang2,3, Kaiyu Wang2,4
1Laboratory of Integrative Brain Function and Howard Hughes Medical Institute, The Rockefeller University, New York, NY, USA. vvijayan@rockefeller.edu.
Nature
|July 5, 2023
概括
果
科学领域:
- 神经科学
- 动物的行为
- 昆虫生理学
背景情况:
- 对于快速决策的神经信号是已知的,
- Drosophila melanogaster表现出复杂的卵巢选择行为持续数分钟.
- 特定的神经元,OviDNs,参与启动卵子沉积运动程序.
研究的目的:
- 调查Drosophila中自动决定相对价值的神经机制.
- 在卵巢选择过程中描述卵巢DNA的活性.
- 确定调节决策过程的电路元件.
主要方法:
- 在Drosophila大脑中DN活动的成像.
- 扰动性实验以评估ovidN活动的必要性和充分性.
- 识别和功能分析一个反复的神经电路输入到oviDNs.
主要成果:
- 卵子DNA中的特定信号与卵子制备,基质价值和决策相关.
- 这种信号表现出上升到值的动态,影响决策时间和结果.
- 涉及多种细胞类型的反复循环对于卵巢DN功能和产卵至关重要.
结论:
- 一个由ovidn调节的上升到值的过程是的自动,相对价值决定的基础.
- 这种神经过程的低值变化调节了决策时间和选择.
- 确定了复杂行为决策的神经基础.
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