?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Short+Term+Memory+May+Be+the+Depletion+of+the+Readily%0D%0AReleasable+Pool+of+Presynaptic+Neurotransmitter+Vesicles&rft.creator=Tarnow%2C+Dr+Eugen&rft.subject=Neuropsychology&rft.description=The+Tagging%2FRetagging+model+of+short+term+memory+was+introduced+earlier+(1)+to+explain+the+linear+relationship+that+exists+between+response+time+and+correct+response+probability+for+word+recall+and+recognition%3A++At+the+initial+stimulus+presentation+words+tag+the+corresponding+long+term+memory+locations.++The+tagging+process+is+linear+in+time+and+takes+about+one+second+to+reach+a+tagging+level+of+100%25.++After+stimulus+presentation+the+tagging+level+decays+logarithmically+with+time+to+50%25+after+14+seconds+and+to+20%25+after+220+seconds.++If+a+probe+word+is+reintroduced+the+tagging+level+has+to+go+back+to+100%25+for+the+word+to+be+properly+identified%2C+which+leads+to+a+delay+in+response+time.++This+delay+is+proportional+to+the+tagging+loss+which+is+in+turn+directly+related+to+the+decrease+in+probability+of+correct+word+recall+and+recognition.%0D%0AEvidence+suggests+that+the+tagging+level+is+the+level+of+depletion+of+the+Readily+Releasable+Pool+(RRP)+of+neurotransmitter+vesicles+at+presynaptic+terminals.++The+evidence+includes+the+initial+linear+relationship+between+tagging+level+and+time+as+well+as+the+subsequent+logarithmic+decay+of+the+tagging+level.++The+activation+of+a+short+term+memory+may+thus+be+the+depletion+of+RRP+(exocytosis)+and+short+term+memory+decay+may+be+the+ensuing+recycling+of+the+neurotransmitter+vesicles+(endocytosis).%0D%0A&rft.date=2008-12-25&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6317%2F1%2FEndocytosis.pdf&rft.identifier=++Tarnow%2C+Dr+Eugen++(2008)+Short+Term+Memory+May+Be+the+Depletion+of+the+Readily+Releasable+Pool+of+Presynaptic+Neurotransmitter+Vesicles.++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F6317%2F