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Scientists have built a computer ‘brain circuit’, or artificial neural network, that mirrors human decision-making processes and sheds light on how circuits might be altered in psychiatric diseases, a new study published today in eLife reports.

The model identifies a potential mechanism for the impaired decision making that is commonly seen in schizophrenia, involving the reduced activity of molecules in the brain called NDMA receptors. These results provide new insight that may inform the development of future treatments for neuropsychiatric conditions.

A major challenge in psychiatry is to relate changes that occur at nerve synapses in the brain to the cognitive processes that cause symptoms of disorders such as schizophrenia. Computational modelling of brain circuits can fill in these gaps. By altering the circuit model at the synapse level, you can make predictions of nerve activity and behaviours, and then test

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We’ve asked Microsoft for comment, although it already said it was “investigating the matter.” The Verge claimed the code was legitimate, with Ronin Dey and others also supporting those beliefs (via Windows Central).

One version of the code leak also includes code for MS DOS, Windows CE, Windows Embedded and Windows NT, although those aren’t believed to be new leaks. Experts talking to ZDNet believed the new leaks came from academia, which has long had access to Windows source code to help bolster its security.

This won’t necessarily lead to security issues on par with the WannaCry ransomware attack. While WannaCry exploited Windows XP flaws, the campaign succeeded in part due to poor security policies. No amount of source code will change that, especially if it doesn’t include later XP releases. Microsoft also ended regular support for Windows XP in 2014, limiting any help to organizations with special contracts.

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