时下，智能手机已成为人们获取信息、社交娱乐的核心工具。多学科专家指出，当我们刷手机出现 注意力极度涣散、缺乏独立思考能力、严重情绪化反应、深度学习能力下降、空虚感增加等症状时，就 提示我们的大脑正在被"腐蚀"，就是所谓的"脑腐"，即因长期暴露于碎片化信息而引发的认知衰退与脑 功能损伤。 面对智能手机已深度嵌入人类生活的现实社会，"脑腐"一词横空出世敲响了数字时代的警钟。医学 专家们揭示的青少年脑部结构改变、认知功能衰退等研究成果，不再是遥远的实验室数据，而是每个家 庭都可能面临的现实危机。这场由指尖滑动引发的脑部革命，正在改写人类认知进化的基本规律。规避 由手机过度使用而导致的"脑腐"现象，应成为现代社会的公民自觉。 "脑腐"并非是指大脑真的发生病变，而是对由信息"超载"导致认知下降或精神疲劳的一种感觉描 述。用专家的话说，当我们刷手机出现注意力极度涣散、缺乏独立思考能力、严重情绪化反应、深度学 习能力下降、空虚感增加等症状时，就提示我们的大脑正在被"腐蚀"。 "脑腐"的生理性损害表现在多个层面，比如，由手机成瘾导致多巴胺过度刺激，让前额叶皮层（负 责决策与自控的核心区域）由厚变薄，从而引发注意力分散；夜间刷 ...

Core Viewpoint - The article explores the philosophical implications of physical experiences in the age of AI and virtual reality, emphasizing the importance of real-world experiences for personal growth and cognitive development [2][5]. Group 1: Physical Experience and Cognition - The article highlights that human brain's spatial cognition is uniquely developed through real walking experiences, which cannot be replicated by VR technology [3]. - It discusses the contrast between digital experiences and the tangible challenges faced in extreme environments, suggesting that the lack of physical engagement may lead to a decline in risk assessment abilities [3][4]. Group 2: Personal Challenges and Growth - The author recounts a personal extreme challenge of completing 100 marathons in 100 days, illustrating the physical and mental transformations experienced throughout the journey [4]. - The completion of this challenge is presented as a form of spiritual and physical dialogue with nature, reinforcing the idea that humans are inherently suited for running and physical activity [4]. Group 3: The Role of Walking in the AI Era - The article posits that walking and travel have evolved into strategies for resisting digital alienation and reconstructing cognitive practices, linking individuals back to nature [5]. - It concludes that the essence of human dignity in the AI era lies in the imperfections of real-world experiences, contrasting with the perfection of digital environments [5].