If suffer from arachnophobia, fear or spiders, you know that rationality does not enter into it. Imagining a huge and hairy tarantula crawling on your arm in a therapist’s office is not less scary than coming out of the shower and seeing a tiny spider.

Why are phobias so hard to shake? It’s not as easy as extinguishing the fear response. Instead of trying to erase the memory of the fear provoking stimuli,  creating new, competitive memory traces may be the solution. 


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