第10章 基因决定人类对世界的认知 第十章 感知世界科学实践 10.Sensing the world and scientific practice 1.Incomplete sensing and the true cause and results 不完整的感知与真实的因果关系 2.Opinion or Facts? 观点与事实-人类的预期 3.The Core of Scientific Research 科学研究的本质 4.Lies and Pseudoscience 201 谎言与伪科学
2017/12/5 1 1 第十章 感知世界-科学实践 10. Sensing the world and scientific practice 1. Incomplete sensing and the true cause and results 不完整的感知与真实的因果关系 2. Opinion or Facts? 观点与事实-人类的预期 3. The Core of Scientific Research 科学研究的本质 4. Lies and Pseudoscience 谎言与伪科学 第10章 基因决定人类对世界的认知
科学;人类认世的飞中 by numbers Decision-making in animal groups 动物群体如何做出决定 nature FISH COURSE
科学:人类认识世界的思想飞跃 动物群体如何做出决定
进化的特征 进化的特征取决于突变的特征和选择的特征 ◆逐代渐进:基因以传代为基本节点 ◆在原有基础上积累突变
进化的特征 逐代渐进:基因以传代为基本节点 在原有基础上积累突变 进化的特征取决于突变的特征和选择的特征
a)Region of photosensitive cells b)Depressed/folded area allows limited directional sensitiv ity 光的感知 感光点 有限感知光的方向 Photoreceptors Nerve 软体动物眼的进化与发育: fibres ◆获知更多事实是生存 竞争的需要 孔式精细感知光的 封闭增加折射率 ¥方向 Retina Area of Transparent photoreceptors/ humor retina 镜头晶体增加图像 角膜与可调镜头晶体 范围和精度 Lens Comea Aqueou humor Come Lens Optic nerve Retina Vitreous humor
光的感知 软体动物眼的进化与发育: 获知更多事实是生存 竞争的需要 感光点 有限感知光的方向 孔式精细感知光的 方向 封闭增加折射率 镜头晶体增加图像 范围和精度 角膜与可调镜头晶体
How Engaging With Art Affects the Human Brain 艺术如何影响人的大脑 6 2013美国科学促进会画展
How Engaging With Art Affects the Human Brain Cave shrimp with lost eyes 艺术如何影响人的大脑 2013 美国科学促进会画展
从感知到感受:7种神经分子与幸福感 1.Endocannabinoids:"The Bliss Molecule" 1.内源大麻素:幸福感 appetite,pain-sensation,mood,memory, locomotion reward 2.Dopamine:"The Reward Molecule" 2多巴胺:快乐的感觉 3.Oxytocin:"The Bonding Molecule" 3.催产素:相互依存的感觉 4.Endorphin:“The Pain-Killing Molecule” 4.内啡肽:我不痛! 5.GABA:“The Anti-Anxiety Molecule”GABA: 5.镇静的感觉 6.Serotonin:"The Confidence Molecule" 6.五羟色胺:自信的感觉 7.Adrenaline:"The Energy Molecule" 7.肾上腺素:准备战斗!
从感知到感受:7种神经分子与幸福感 Cave shrimp with lost eyes 1. Endocannabinoids: “The Bliss Molecule” 1.内源大麻素:幸福感 appetite, pain-sensation, mood, memory, locomotion reward 2. Dopamine: “The Reward Molecule” 2.多巴胺:快乐的感觉 3. Oxytocin: “The Bonding Molecule” 3.催产素:相互依存的感觉 4. Endorphin: “The Pain-Killing Molecule” 4.内啡肽:我不痛! 5. GABA: “The Anti-Anxiety Molecule” GABA: 5.镇静的感觉 6. Serotonin: “The Confidence Molecule” 6. 五羟色胺:自信的感觉 7. Adrenaline: “The Energy Molecule” 7. 肾上腺素:准备战斗!
2、观点与事实-人类的预期 Science 30 November 2012: <Prev Table of Contents Next Vol.338n0.6111pp.1202-1205 D0l:10.1126/science.1225266 Read Full Text to Comment (0) REPORT 脑功能行使的大规模模型 A Large-Scale Model of the Functioning Brain Chris Eliasmith-,Terrence C.Stewart,Xuan Choo,Trevor Bekolay,Travis DeWolf,Yichuan Tang, Daniel Rasmussen ±Author Affiliations -To whom correspondence should be addressed.E-mail:celiasmith @uwaterloo.ca ABSTRACT A central challenge for cognitive and systems neuroscience is to relate the incredibly complex behavior of animals to the equally complex activity of their brains.Recently described,large-scale neural models have not bridged this gap between neural activity and biological function.In this work,we present a 2.5-million- neuron model of the brain(called "Spaun")that bridges this gap by exhibiting many different behaviors.The model is presented only with visual image sequences,and it draws all of its responses with a physically modeled arm.Although simplified,the model captures many aspects of neuroanatomy,neurophysiology, and psychological behavior,which we demonstrate via eight diverse tasks
2、观点与事实-人类的预期 脑功能行使的大规模模型
2、观点与事实-人类的预期 A Large-Scale Model of the A PPC Functioning Brain PM DLPFC 科学杂志2012 VLPFC thalamus OFC 脑的感受与行动 V1-V2V4 AIT 感受系统 处理系统 B Working Memory 记忆系统 回报系统 Visual Information Transform Reward Information Motor Motor input Encoding Calculation Evaluation Decoding Processing Output 行动选择 Action Selection =hierarchy
2、观点与事实-人类的预期 A Large-Scale Model of the Functioning Brain 科学杂志 2012 脑的感受与行动 感受系统 处理系统 记忆系统 回报系统 行动选择