参考答案

正确答案：B
解析：本题是道细节题。本题答案的选择依据在文章最后一段：Short-termmemoryinvolveselectricalimpulsessinceatatemperaturewhereelectricalactivityceases，thereisnomemory.Long-termmemory，incontrast,isunaffectedbythedisruptionofelectricalactivityandmayinvolvestructuralchangesinbraincells．B项是符合本题要求的正确选项。