Imitating the brains neural network is a huge step in the right direction, says computer scientist and biophysicist Michael Conrad, but it still misses an important aspect of natural intelligence. People tend to treat the brain as if it were made up of color-coded transistors, he explains, but its not simply a clever network of switches. There are lots of important things going on inside the brain cells themselves. Specifically, Conrad believes that many of the brains capabilities stem from the pattern recognition proficiency of the individual molecules that make up each brain cell. The best way to build and artificially intelligent device, he claims, would be to build it around the same sort of molecular skills.
Right now, the notion that conventional computers and software are fundamentally incapable of matching the processes that take place in the brain remains controversial. But if it proves true, then the efforts of Conrad and his fellow AI rebels could turn out to be the only game in town.
11. A new study on birds sleep has revealed that ____________.
A) half-brain sleep is found in a wide variety of birds
B) half-brain sleep is characterized by slow brain waves
C) birds can control their half-brain sleep consciously
D) birds seldom sleep with the whole of their brain at rest
12. According to the passage, birds often half sleep because ______________.
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