英语翻译Itisdifficulttoimaginewhatlifewillbelikewithoutmemory．Themeaningsofthousandsofeverydayperceptions(感觉、知觉),thebasesforthedecisionswemake,andtherootsofourhabitsandskillsaretobefoundinourpaste

　　英语翻译

　　Itisdifficulttoimaginewhatlifewillbelikewithoutmemory．Themeaningsofthousandsof

　　everydayperceptions(感觉、知觉),thebasesforthedecisionswemake,andtherootsofour

　　habitsandskillsaretobefoundinourpastexperiences,whicharebroughtintothepresentby

　　memory．

　　Memorycanbedefinedasthecapacitytokeepinformationavailableforlateruse．Itincludes

　　notonly"remembering"thingslikearithmeticorhistoricalfacts,butalsoinvolvesanychangein

　　thewayananimaltypicallybehaves．Memoryisinvolvedwhenaratgivesupeatinggrain

　　becausehehassniffedsomethingsuspiciousinthegrainpile．Memoryisalsoinvolvedwhen

　　asix-year-oldchildlearnstoswingabaseballbat．

　　Memoryexistsnotonlyinhumansandanimalsbutalsoinsomephysicalobjectsand

　　machines．Computers,forexample,containdevicesfromstoringdataforlateruse．Itis

　　interestingtocomparethememory-storagecapacityofacomputerwiththatofahumanbeing．

　　Theinstant-accessmemoryofalargecomputermayholdupto100,000"words"-readyfor

　　instantuse．AnaverageU．S．teenagerprobablyrecognizesthemeaningofabout100,000

　　wordsofEnglish．However,thisisbutafraction(部分、片断)ofthetotalamountof

　　informationwhichtheteenagerhasstored．Consider,forexample,thenumberoffacesand

　　placesthattheteenagercanrecognizeonsight．

　　Theuseofwordsistheadvancedproblem-solvingintelligenceofhumanbeings．Alarge

　　partofaperson'smemoryisintermsofwordsandcombinationsofwords．