证据表明,间隔计数神经元在科普的灰色树的呼叫识别中发挥着关键作用
Vinayak G Kamath1, Anwesha Mukhopadhyay2, Rishi K Alluri2
1School of Biological Sciences, University of Utah, Salt Lake City, UT, 84112, USA. vinayak.gopalakrishnakamath@utah.edu.
概括
女青使用精确的呼叫时间来识别伴侣. 大脑中的间隔计数神经元 (ICN) 对于这种物种的识别至关重要,在广告呼叫中响应时间模式.
科学领域:
- 神经伦理学 神经伦理学
- 生物声学是一种生物声学.
- 听觉神经科学 听觉神经科学
背景情况:
- 物种识别依赖于用于生殖隔离的声信号定时.
- 安 (青) 的交配呼叫具有对伴侣选择至关重要的脉冲列车的特点.
- 希拉花的雌性使用雄性广告呼叫脉率来选择伴侣.
研究的目的:
- 调查Hyla chrysoscelis伴侣识别中时间选择性的神经基础.
- 测试间隔计数神经元 (ICN) 在处理特定物种呼叫时间方面的作用.
- 在听觉信号中区分神经元对正规和不规则的时间模式的反应.
主要方法:
- 行为声学测定与操纵脉冲列车时间规律性.
- 在体内外细胞记录听觉中脑神经元.
- 对间隔计数神经元 (ICN) 和长间隔神经元 (LIN) 活动的分析.
主要成果:
- 雌性Hyla chrysoscelis对暂时不规则的电话表现出较低的声触反应.
- 随着脉冲间隔 (IPI) 的增加,ICN的活性下降,反映了行为敏感性.
- 长间隔神经元 (LINs) 对暂时不规则的刺激做出了更强烈的反应.
结论:
- 广告网络对于调解同类广告的行为选择性至关重要,称为时间模式.
- 线路可能在处理其他更不规则的听觉信号类型中发挥作用.
- 在ICN中中脑时间计算直接为Hyla chrysoscelis的特定物种识别奠定了基础.
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