Sian was left with a whole new understanding of how dementia can make you feel (Picture: @kelliannephotographer)

Fumbling with the buttons on my shirt, then with a pen as I attempted to write a simple shopping list, I felt useless and frightened .

At the same time, there was a painful prickling sensation in my feet and a constant noise in my ears – a kind of buzzing, sizzling sound that made it impossible to concentrate.

In that moment, I knew how it felt to have dementia , and I wanted it to end.

Luckily for me, the experience – a virtual simulation which has been designed to replicate dementia symptoms – only lasted three minutes.

After that, I could leave and things would go back to normal.

But actually, when it was over, things didn’t go completely back to normal.

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