Animals were sacrificed by decapitation 1 hr after the training session. The hippocampus was collected and sonicated briefly in ice-cold buffer: 50 mM TrisCl (pH 7.8), 50 mM NaCl, 10 mM EGTA, 5 mM EDTA, 2 mM sodium pyrophosphate, 4 mM paranitrophenylphosphate
Animals have been sacrificed by decapitation one hr right after the instruction session. The...