What hap­pens in your brain when you make a mem­ory?

BBC Earth (Asia) - - Science -

Mem­o­ries are formed by the chang­ing strength of con­nec­tions be­tween net­works of brain cells, par­tic­u­larly in the hip­pocam­pus, which is found in each tem­po­ral lobe (the part of your brain near your ears). A key mem­ory-re­lated process is ‘long-term po­ten­ti­a­tion’, which refers to a last­ing change in how strongly one neu­ron in­flu­ences another. It’s tempt­ing to think of mem­ory like a record­ing, etched per­ma­nently into pat­terns of brain cells, but it’s more ac­cu­rate to see it as a cre­ative process. Dur­ing rec­ol­lec­tion, ear­lier pat­terns of brain ac­tiv­ity are re-en­acted – a frag­ile process that leaves plenty of room for er­ror and edit­ing. CJ

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