工作记忆
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清华刘嘉:AI时代属于年轻人,不要用过时的经验束缚他们
3 6 Ke· 2025-10-16 11:01
Core Insights - The emergence of AI is redefining human intelligence, shifting the focus from memory storage to active cognitive processing and creativity [1][5][11] - AI is facilitating unprecedented educational equity by providing access to knowledge regardless of geographical or socio-economic barriers, although it also introduces a new "cognitive gap" in how effectively AI is utilized [2][13] - The role of AI is akin to that of machines during the Industrial Revolution, liberating humans from basic cognitive tasks and allowing them to engage in more meaningful creative work [3][4][10] AI's Impact on Human Cognition - AI serves as an external memory repository, enabling humans to concentrate on higher-level cognitive operations, such as creative synthesis of disparate concepts [6][8] - The dynamic processing of information in working memory is crucial for intelligence, as opposed to static long-term memory, which AI can effectively manage [5][7] - The reduction in certain neural connections due to AI usage may not indicate a decline in intelligence but rather a reallocation of cognitive resources towards advanced functions like critical thinking [7][8] Future of Work - The rise of AI poses a significant risk of job displacement in knowledge-based professions, necessitating a fundamental shift in mindset regarding work and its purpose [9][10] - AI enhances productivity by automating repetitive tasks, freeing up time for individuals to explore personal interests and creative endeavors [10][12] - The future workforce must adapt to a landscape where traditional roles are transformed, emphasizing creativity and innovation over rote tasks [12][13] Educational Transformation - AI is reshaping education by providing equal access to knowledge, thus addressing structural inequalities in learning opportunities [13][14] - The role of educators is evolving from knowledge dispensers to facilitators who guide students in effectively using AI as a collaborative tool [14][15] - Modern education should focus on fostering curiosity and critical thinking, encouraging students to engage deeply with knowledge rather than passively receiving it [15][16]
MemoryVLA:给机器人装上海马体,助力长时序机器人操作任务
具身智能之心· 2025-09-03 00:03
Core Viewpoint - The article discusses the development of MemoryVLA, a cognitive-memory-action framework inspired by human memory systems, aimed at improving robotic manipulation tasks that require long-term temporal dependencies [3][7]. Group 1: Current Issues in VLA Models - Existing Vision-Language-Action (VLA) models primarily rely on current observations, leading to poor performance in long-term, temporally dependent tasks [2][7]. - Cognitive science indicates that humans utilize a memory system involving neural activity and the hippocampus to manage tasks effectively over time [7]. Group 2: MemoryVLA Framework - MemoryVLA is designed to create a memory system for robots, drawing inspiration from human cognitive mechanisms [3][7]. - The framework includes a pre-trained Vision-Language Model (VLM) that encodes observations into perceptual and cognitive tokens, which are stored in a Perceptual-Cognitive Memory Bank [3]. - Working memory retrieves relevant entries from the memory bank, merging them with current tokens to adaptively update the memory [3]. Group 3: Importance of Memory in Robotics - The article emphasizes the necessity of memory in robotic tasks, explaining that it enhances decision-making and action sequences in complex environments [3][7]. - A memory-conditioned diffusion action expert generates action sequences with temporal awareness using the tokens [3].
AI记忆伪装被戳穿!GPT、DeepSeek等17款主流大模型根本记不住数字
机器之心· 2025-06-15 04:40
Core Viewpoint - The article discusses a study that reveals large language models (LLMs) do not possess human-like working memory, which is essential for coherent reasoning and conversation [5][30]. Summary by Sections Working Memory - Working memory in humans retains information for a short period, enabling reasoning and complex tasks [7]. - LLMs are often compared to a "talking brain," but the lack of working memory is a significant barrier to achieving true general artificial intelligence [8]. Evaluation of Working Memory - Traditional N-Back Task assessments are unsuitable for LLMs, as they can access all historical tokens rather than recalling internal memory [10]. Experiments Conducted - **Experiment 1: Number Guessing Game** - LLMs were asked to think of a number between 1-10 and respond to repeated guesses. Most models failed to provide a "yes" response, indicating a lack of internal memory [13][19]. - **Experiment 2: Yes-No Game** - LLMs were tasked with answering questions about a chosen object. Results showed that models began to contradict themselves after 20-40 questions, demonstrating inadequate working memory [22][26]. - **Experiment 3: Math Magic** - LLMs were required to remember and manipulate numbers through a series of calculations. The accuracy was low across models, with LLaMA-3.1-8B performing best [28][29]. Conclusions - None of the tested models passed all three experiments, indicating a significant gap in their ability to mimic human-like working memory [30]. - Future advancements in AI may require integrating a true working memory mechanism rather than relying solely on extended context windows [30].