Name: appetitive associative olfactory learning in drosophila larvae
Uploaded: 2013-02-18T12:00:00
Description: Watch this Scientific Journal Video about Appetitive Associative Olfactory Learning in Drosophila Larvae at JoVE.com

我们要特别感谢他们的实验装置和意见的手稿上的技术指导，的格柏实验室的成员。我们也感谢柳博芙·Pankevych飞的维修保养及野生型各州股票。这项工作是支持的DFG授予，的SNF授予31003A_132812 / 1和康斯坦茨大学的Zukunftskolleg（TH1584/1-1所有的AST）。

1。准备<ol><li> 果蝇野生型幼虫被提出，在25°C和60％-80％的湿度在14/10光/暗周期。对于控制的确切年龄的幼虫始终成一小瓶（6厘米的高度和直径2.5 cm），其中包括约6毫升的标飞的食物，男10例，女20例。苍蝇产卵12小时，并在第二天被转移到一个新的小瓶。 5-6天后产蛋幼虫达到馈送第三龄期，如果在25℃引发，现在可以被用于行为实验。然而，一个具有确保只幼虫，仍然是在食品?...

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<html>在果蝇幼虫所描述的设置允许关联嗅觉学习的同等小学大脑内的调查。方法很简单，价格便宜，易于在实验室建立的，并不需要高科技设备9。我们提出了一个版本的实验中，研究食欲联想学习，加强果糖奖励11。所描述的设置是根据一系列的参数化的全面的调查研究，训练试验的数目的变化的，单一的检测与质量测定，保留时间，使用的气味和气味的浓度和性别9,15...

<table border="1"><tbody><tr><td> 的试剂的名称 </td><td> 公司 </td><td> 目录编号 </td><td> CAS号 </td></tr><tr><td>果糖</td><td>西格玛</td><td> 47740 </td><td> 57-48-7 </td></tr><tr><td>氯化钠</td><td> Fluka公司</td><td> 71350 </td><td> 7647-14-5 </td></tr><tr><td>琼脂糖</td><td>西格玛</td><td> A5093 </td><td> 9012-36-6 </td></tr><tr><td> 1 - 辛醇</td><td>西格玛</td><td> 12012 </td><td> 111-87-5 </td></tr><tr><td>乙酸戊酯</td><td>西格玛</td><td> 46022 </td><td> 628-63-7 </td></tr><tr><td>灯油</td><td>西格玛</td><td> 18512 </td><td> 8012-95-1 </td></tr></tbody></table>

appetitive associative olfactory learning in drosophila larvae

在下面，我们将介绍的食欲联想在果蝇嗅觉学习方法的细节。的设置，与遗传干扰的组合，提供了一个手柄来分析在一个简单的幼虫脑特异性关联学习的神经细胞和分子的基本面。 生物可以用过去的经验来调整现在的行为。这种行为的潜在的收购可以定义为学习，这些记忆痕迹的潜力，1-4的物理基础。神经科学家试图了解这些过程是如何组织的分子和神经元在大脑中的变化，通过使用各种方法模式生物，从昆虫到脊椎动物5,6。对于这样的努力是有帮助的使用是简单和实验模型系统，。 果蝇幼虫已被证明是满足这些需求的基础上提供强大的行为分析，存在的各种转基因技术的基本组织的神经系统，包括约10000个神经元（虽然与一些让步：认知的限制，一些行为的选择，和丰富的经验可疑）7-10 。 果蝇幼虫可以形成协会气味和食欲的味觉增强，如糖​​11-14之间。在一个标准的检测，在实验室中成立B.格柏，动物收到两气味的倒数培训：第一组的幼虫接触到的气味，连同与味觉增强剂（白糖奖励），随后接触到的气味B没有加固9。同时接收倒数第二组的幼虫经历气味A的训练，而没有加固，随后暴露于气味乙加固（糖的奖励）。在下面的两个群体是工商业污水附加费特德自己的喜好两者之间的气味。相对较高的奖励气味的偏好反映联想学习 - 的性能指数（PI）。有关的各项性能指标的关联性的结论是令人信服的，因为除了从应急的气味和促味剂，其它参数，如气味和奖励曝光，通过时间和处理没有显着差异，两组9。

图1A示出了概述幼虫嗅觉联想学习的实验程序。通过配对两个气味之一与糖奖励幼虫获得表达朝向比较风范气味的奖励的气味中的一个有吸引力的响应潜在的行为。两组的幼虫始终的培训，通过配对的气味OCT或AM的增强剂。性能指数（PI）测量的相关功能之间的相互培训的群体偏好的差异。 在相关功能进行了分析，在转基因幼虫，基本感觉运动能力的测试是必需?...

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Appetitive Associative Olfactory Learning in Drosophila Larvae

果蝇幼虫能联想到刺激气味，味觉奖励。在这里，我们描述了一个简单的行为范式，使食欲关联嗅觉学习分析。

欲求联想嗅觉学习<em&gt;果蝇</em&gt;幼虫

In the following we describe the methodological  details of appetitive associative olfactory learning in Drosophila larvae. The setup, in combination with ...

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Neuroscience

Appetitive Associative Olfactory Learning in Drosophila Larvae

C. elegans Positive Butanone Learning, Short-term, and Long-term Associative Memory Assays

C. elegans Positive Butanone Learning, Short-term, and Long-term Associative Memory Assays

线虫的积极丁酮学习，短期，长期联想记忆检测

The memory of experiences and learned information is critical for organisms to make choices that aid their survival. C. elegans navigates its environment ...

科研

神经科学

Assaying Locomotor, Learning, and Memory Deficits in Drosophila Models of Neurodegeneration

Assaying Locomotor, Learning, and Memory Deficits in Drosophila Models of Neurodegeneration

含量的运动能力，学习和记忆的赤字果蝇</em神经退行性疾病>模型

Advances in genetic methods have enabled the study of genes involved in human neurodegenerative diseases using Drosophila as a model system1. Most of ...

Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae

Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae

局部和全局的方法评估热痛觉<em&gt;果蝇</em&gt;幼虫

In this article, we demonstrate assays to study thermal nociception in Drosophila larvae. One assay involves spatially-restricted (local) stimulation of ...

Visualization of Proprioceptors in Drosophila Larvae and Pupae

Visualization of Proprioceptors in Drosophila Larvae and Pupae

可视化本体感受器<em&gt;果蝇</em&gt;幼虫和蛹

Proprioception is the ability to sense the motion, or position, of body parts by responding to stimuli arising within the body. In fruitflies and other ...

Drosophila Adult Olfactory Shock Learning

Drosophila Adult Olfactory Shock Learning

果蝇嗅觉成人学习的冲击

Drosophila have been used in classical conditioning experiments for over 40 years, thus greatly facilitating our understanding of memory, including the ...

Light Preference Assay to Study Innate and Circadian Regulated Photobehavior in Drosophila Larvae

Light Preference Assay to Study Innate and Circadian Regulated Photobehavior in Drosophila Larvae

光偏好的检测，以研究的先天和昼夜调节感光特性<em&gt;果蝇</em&gt;幼虫

Light acts as environmental signal to control animal behavior at various levels. The Drosophila larval nervous system is used as a unique model to answer ...

Whole Mount Immunolabeling of Olfactory Receptor Neurons in the Drosophila Antenna

Whole Mount Immunolabeling of Olfactory Receptor Neurons in the Drosophila Antenna

嗅觉受体神经元在全山免疫标记<em&gt;果蝇</em&gt;天线

Odorant molecules bind to their target receptors in a precise and coordinated manner. Each receptor recognizes a specific signal and relays this ...

Electrophysiological Method for Recording Intracellular Voltage Responses of Drosophila Photoreceptors and Interneurons to Light Stimuli In Vivo

Electrophysiological Method for Recording Intracellular Voltage Responses of Drosophila Photoreceptors and Interneurons to Light Stimuli In Vivo

为记录细胞内电压响应电法<em&gt;果蝇</em&gt;光感受器和中间对光刺激<em&gt;在体内</em

Voltage responses of insect photoreceptors and visual interneurons can be accurately recorded with conventional sharp microelectrodes. The method ...

Novel Assay for Cold Nociception in Drosophila Larvae

Novel Assay for Cold Nociception in Drosophila Larvae

新的分析冷痛觉在<em&gt;果蝇</em&gt;幼虫

How organisms sense and respond to noxious temperatures is still poorly understood. Further, the mechanisms underlying sensitization of the sensory ...

An Objective and Reproducible Test of Olfactory Learning and Discrimination in Mice

小鼠嗅觉学习和鉴别的客观和可重复性试验

Olfaction is the predominant sensory modality in mice and influences many important behaviors, including foraging, predator detection, mating, and ...