Research at Montreal Neurological Institute and Hospital (The
Neuro) of McGill University has shown that different patterns of training and
learning lead to different types of memory formation. In every organism they
studied, researchers reported that formation of memories is highly sensitive
not only to the total amount of training but also to the pattern of trials used
during training. Specifically, spaced training (distributed over time) is superior
at generating long-term memories as compared to massed training (at very short intervals).
"It is a well known
psychological principle that learning is better when training trials are spaced
out than when given all together," says Dr. Wayne Sossin, neuroscientist
and lead investigator. This study identified differences between the two types of
training at the molecular level. Interestingly, the process of strengthening
communication between nerve cells (neurons), called synaptic facilitation, is
controlled by the release of the neurotransmitter serotonin.
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