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2010-06-30 07:41:56

Canadian scientists have identified which environmental stress conditions encourage pond snails to remember and which make them forget Predator scent enhanced the ability of pond snails (Lymnaea stagnalis) to form memory following training, whilst overcrowding and reduced calcium had a blocking effect. "Understanding when stress blocks or enhances memory in a simple animal model may help elucidate the mechanisms in more complex animals such as humans", explained Dr Sarah Dalesman. The...