Update positronic-brain.md

events/positronic-brain/positronic-brain.md

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 **Workshop description**
 
-When people hear Artificial Intelligence they often imagine something like Isaac Asimov's Positronic Brain: a brain built out of mathematics, logic, and wires which functions in many respects like a human brain and follows human-like behaviour. It is attached to a body and it can perceive and interact with the world. It has sophisticated language capabilities, speaking about its perception, action and reasoning. However, a common approach to Artificial Intelligence has been to treat language, perception, and action as separate fields with separate goals and problems. Consequently, most systems that we build do not live-up to the beliefs and expectations of every-day users. Integration of several modalities and constructions of agents that can act in sophisticated ways in the world is therefore our next big challenege if we want to approximate human-like robotic agents that Sci-fi authors love. 
+When people hear Artificial Intelligence they often imagine something like Isaac Asimov's Positronic Brain: a brain built out of mathematics, logic, and wires which functions in many respects like a human brain and follows human-like behaviour. It is attached to a body and it can perceive and interact with the world. It has sophisticated language capabilities, speaking about its perception, action and reasoning. However, a common approach to Artificial Intelligence has been to treat language, perception, and action as separate fields with separate goals and problems. Consequently, most systems that we build do not live-up to the beliefs and expectations of every-day users. Integration of several modalities and constructions of agents that can act in sophisticated ways in the world is therefore our next big challenege if we want to approximate human-like robotic agents that Sci-fi authors love. But are such agents wanted and needed by end-users and they assist are knowledge and communication?
 
 This workshop invites researchers and students in the fields of natural language processing, computer science, language technology, computational linguistics, cognitive computing, AI, computer vision, machine learning, robotics, linguistics, cognitive science, and related fields to participate in an open, community-building forum where we discuss current work, challenges, and future directions related to multi-modality, interaction, embodiment, language technology, and AI.  
 We encourage contributions in the following and similar topics: