Spaun thinks? and then scribble a 5
The cyber brain can capture image information, remember signs and even write down the results of tasks with its virtual arm. Example: Spaun? Sees? the numbers rows 1, 2, 3 and 5, 6, 7. Subsequently, the cyber brain at the episode 3, 4, ? replace the question mark according to the logic by the correct number. After a brief pause, Spaun now scribes a 5 on the virtual board of the system. As the researchers report, it is particularly exciting that Spaun even seems to be prone to human weaknesses: The cyber-brain could memorize the first and last numbers in a series of numbers better than the middle.
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The model even achieves similarly good results in some tasks of IQ tests as human test candidates, report Chris Eliasmith and his colleagues. However, it does not even begin to rival the human mind. At least it does not have the adaptability of the human brain and can not learn new skills, the scientists emphasize. Nevertheless, Spaun offers new opportunities to review ideas on the biological basis of human thinking. However, how the complex mind or even our consciousness emerges from the concert of the approximately 86 billion human nerve cells, will probably remain a mystery for a long time to come.Chris Eliasmith (University of Waterloo) et al .: Science, doi: 10.1126 / science.1225266 © science.de - Martin Vieweg