The researchers analyzed the hippocampi of trained mice, those that were conditioned with a memory of fear, as well as some control mice that were not trained, analyzing
them at different intervals after conditioning.
it's unfortunate that all of the rats used in the quoted study were killed as part of the experiment: «
At different 175 time
intervals 176 between 0, 0.5, 1, 2, 6 and 24 h
after ingestion, the animal was euthanized with 177 Nembutal ® (100 mg / kg body weight of the animal) and 5 ml of blood specimens 178 were collected.»