Paul Taylor

Paul Taylor is professor of health informatics at UCL.

From The Blog
15 May 2017

There are no good news stories about computers and the NHS. The reporting of Friday’s malware attack may, however, be usefully different from the typical bad news story, in which hubristic politicians or nameless bureaucrats waste millions, if not billions, of public funds on projects which go over budget, fail to deliver, prove to be unusable or collapse under pressure. In this instance it seems that, for once, inaction and underinvestment have led to something sufficiently focused to be newsworthy, showing that there can be a political as well as a human cost to doing nothing.

The conventional way of writing, say, a chess program has been to identify and encode the principles underpinning sound play. That isn’t the way DeepMind’s software works. DQN doesn’t know how to repel an invasion. It doesn’t know that the electronic signals it is processing depict aliens. DeepMind searches the game data for correlations, which it interprets as significant features.

From The Blog
10 February 2016

‘Around 6000 people lose their lives every year because we do not have a proper seven-day service in hospitals,’ Jeremy Hunt said on 16 July 2015. ‘You are 15 per cent more likely to die if you are admitted on a Sunday compared to being admitted on a Wednesday.’ A Department of Health statement later clarified that the figures came from an analysis ‘soon to be published in the BMJ’. Nick Freemantle, a professor of epidemiology at UCL, had been invited by Bruce Keogh, the chief medical officer, to update a 2012 analysis of hospital data, apparently on the suggestion of Simon Stevens, the new chief executive of NHS England. The resulting paper wasn’t accepted by the BMJ until 29 July, after Hunt’s speech. When it appeared in September, it contained no reference to the 6000 figure.

From The Blog
2 June 2015

London’s two velodromes were built in the 19th and 21st centuries. The indoor track at the Lee Valley Velodrome, one of the fastest in the world, is housed in a beautiful stadium built at cost of £94 million. Its distinctive roof, a hyperbolic paraboloid clad in 5000m2 of custom-cut Western red cedar, is a prominent landmark at the edge of the 2012 Olympic park. The open-air track at Herne Hill is completely hidden in a South London suburb.

Breast Cancer Screening

Paul Taylor, 5 June 2014

In December 2013 the House of Commons Select Committee on Science and Technology announced an inquiry into the efficacy of screening for cancer. ‘The NHS spends a significant amount of money on health screening,’ Andrew Miller, the chair of the committee, said, ‘and it is important that this is underpinned by good scientific evidence.’ But the awkward truth is that much of the evidence is contested. The argument over breast cancer screening has been going on for decades, often bad-temperedly, and concerns not just the efficacy of the screening itself but its potential to do harm as well as good.

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