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Hippocampal long‐term potentiation (LTP) is reduced in aged relative to young F‐344 rats when peri‐threshold stimulation protocols (several stimulus pulses at 100–200 Hz) are used. The present study was designed to examine the possibility that this LTP‐induction deficit is caused by a reduced overlap of Schaffer‐collateral inputs onto CA1 pyramidal cells (input cooperativity). This reduced input cooperativity would decrease the levels of postsynaptic depolarization during LTP induction, which might account for the age‐related LTP deficit.
Hippocampus – Wiley
Published: Jan 1, 1997
Keywords: ; ; ; ;
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