Overcome alcoholism and gambling. Free Technical Library News

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Overcome alcoholism and gambling

19.03.2017

A new method of combating alcoholism and gambling was discovered by the staff of the Imperial College London. The essence of the method is to influence the reward system of the human brain, the scientists said.

Researchers conducted observations on people who were treated for alcoholism. By regularly scanning the brains of the participants in the experiment, scientists found that drugs for alcoholism blunted the “gambler syndrome”, which promotes recovery.

As the experts explained, the drug that the volunteers took (Nelmefen) made the feeling of reward inactive. The drug helped to get rid of the feeling of anticipation of the game or drinking alcohol. It helped people cope with addiction to alcohol and games.

Currently, researchers are aiming to study this mechanism in more detail, which will help develop new treatments.

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Ultrasonic Microphone Jamming Wristband 24.02.2020

Researchers at the University of Chicago have created an experimental bracelet that uses 24 speakers to generate ultrasonic noise to suppress most microphones, regardless of their directionality.

The gadget uses the non-linear distortions of the built-in amplifier to "leak" ultrasonic noise into the audio range, thus excluding the possibility of recording the conversation.

Such an unusual design of the bracelet is by no means a tribute to fashion. It not only generates omnidirectional interference, but also eliminates blind spots (when sensors cancel each other) when moving the wrist. As a result, the bracelet is even more effective than specialized stationary jammers and can even suppress hidden microphones.

Ultrasound is imperceptible to others, except perhaps young people and dogs, but all nearby microphones will only detect high frequency noise instead of other sounds.

Such a gadget can be useful for owners of smart devices, since smart speakers, calls, and the like have a microphone almost always on. According to statistics, one in five American adults owns a smart speaker, and recordings of conversations "overheard" and recorded by smart devices have repeatedly appeared on the Web.

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