Neuroscientists have figured out how to reconstruct a song by decoding the brain signals of someone listening to it. A team from the University of California, Berkeley, reproduced Pink Floyd’s song ‘Another Bring in the Wall, Part 1’, after placing electrodes on the brains of patients and playing the music as they underwent epilepsy surgery. Analysis of the brain activity allowed the neuroscientists to create the song’s rhythm, as well as pick out understandable lines like “All in all it’s just another brick in the wall”. Scientists have previously used similar brain-reading techniques in an attempt to decipher speech from thoughts, but this is the first ever time that a recognisable song has been reconstructed from brain recordings. “It’s a wonderful result. One of the things for me about music is it has prosody and emotional content. As this whole field of brain machine interfaces progresses, this gives you a way to add musicality to future brain implants for people who need it, someone who’s got ALS or some other disabling neurological or developmental disorder compromising speech output,” said Robert Knight, a neurologist and UC Berkeley professor of psychology in the Helen Wills Neuroscience Institute who conducted the research. “It gives you an ability to decode not only the linguistic content, but some of the prosodic content of speech, some of the affect. I think that’s what we’ve really begun to crack the code on.” It is a significant development for brain-computer interface technology, which aims to connect humans to machines in order to fix neurological disorders or even add new abilities. Elon Musk claims that future versions of his Neuralink device will allow wearers to stream music directly to their brain, as well as cure depression and addiction by “retraining” certain parts of the brain. The scientists behind the latest research claim that advances in brain recording techniques could soon allow them to make detailed recordings using non-invasive techniques like ultra-sensitive electrodes attached to the scalp. “Non-invasive techniques are just not accurate enough today,” said postdoctoral fellow Ludovic Bellier, who was part of the research team. “Let’s hope, for patients, that in the future we could, from just electrodes placed outside on the skull, read activity from deeper regions of the brain with a good signal quality. But we are far from there.” The research was detailed in a study, titled ‘Music can be reconstructed from human auditory cortex activity using nonlinear decoding models’, published in the scientific journal PLoS Biology. Read More Paralysed man communicates first words in months using brain implant: ‘I want a beer’ Elon Musk’s Twitter slows down access to rival websites Musk’s Twitter takeover sparks mass exodus of climate experts Snapchat experiences ‘temporary outage’ as My AI chatbot posts own Story

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OpenAI has launched new “custom instructions” for ChatGPT, aimed at letting the system know who you are and what you want. The tool allows users to “share anything you’d like ChatGPT to consider in its response”, the company said. That might mean always starting conversations with the chatbot being aware that you are a teacher of young children, for instance, so that it can word its responses accordingly. Or a user might set an instruction that they are a computer programmer in a specific language, so that it can know how to format its responses. They can also be more specific instructions to the chatbot itself. Users might opt to tell it what tone to use in its responses, for instance, or to keep to a word limit. The new tool comes with a range of warnings about the way that the data itself is used. Those instructions might be shared with the developers of any plug-ins, for instance, and it will also be used gathered by OpenAI. The company says it will use people’s custom instructions “to improve model performance – like teaching the model how to adapt its responses to your instructions without overdoing it”. The tool comes with some restrictions aimed at ensuring people do not use the feature to break ChatGPT’s rules. That includes scanning custom instructions to ensure they do not break its rules, and allowing ChatGPT not to comply with instructions if they are going to be used to violate the company’s policies. OpenAI is not making the new feature available in the UK and EU. Regulators in those countries have shown particular concern about the way data is used by OpenAI – and in Italy, those concerns are such that the country has banned access to ChatGPT. Users must also have a subscription to OpenAI’s “Plus” premium tier, and is currently only available in beta. The company plans to roll it out to everyone “soon”, it said. At the moment, ChatGPT does not remember anything from previous conversations. A person might have told it useful information, for instance – such as those previous examples of teachers and programmers – but after the chat is closed and restarted, that information will be lost. The feature can be used by clicking into settings, then clicking “beta features” or “new features” and enabling “custom instructions”. Read More Stolen ChatGPT accounts for sale on the dark web ChatGPT creator withholds latest AI over fears it’s too powerful Meta unveils its ChatGPT rival Llama

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