Artificial intelligent assistant

Short British horror story about a selective, helmet-like memory eraser I am trying to identify a short story originally published in the 1970s in a British horror anthology. It concerns the invention of a selective memory eraser, and the story concludes with everyone in Britain having been fitted with one of the helmet-like devices by the government, and watching the same episode of the same soap opera every night and eating the same meal, before having their memory of the day wiped so they can live it all over again. I feel sure that the anthology was published by New English Library.

I think this might just be the story "S.F." by T. E. D. Klein, which appeared in the "1st Orbit Book Of Horror" in 1976. A brief synopsis, from the Vault of Evil forum:

> This is the tale of how in the future we'll all have metal helmets welded to our heads that cause 'Selective Forgetfulness'. This means people only ever have to own one book and no new movies or works of art are created - you simply forget about what you just read and read it again! Imagine - you could discover Eat Them Alive over and over. At least it would give those of us who never learn an actual excuse.

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