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Fampridine is currently used to improve walking ability in multiple sclerosis. A new study shows that it could also help individuals with reduced working memory, as seen in mental health conditions like schizophrenia or depression, reports ScienceDaily.
Remembering a code for long enough to type it in; holding a conversation and reacting appropriately to what is being said: in everyday situations like these, we use our working memory.
Those affected lose track in conversations and struggle to organize their thoughts.
Fampridine is a drug that could help in such cases, as researchers led by Professor Andreas Papassotiropoulos and Professor Dominique de Quervain at the University of Basel have shown.
The team has reported their findings in the journal Molecular Psychiatry.
In their study, the researchers tested the effectiveness of fampridine on working memory in 43 healthy adults.
It was in those participants whose baseline working memory was at a low level that fampridine showed a more pronounced effect: after taking the active substance for three days, they scored better in the relevant tests than those who took the placebo.
In contrast, in people who already had good baseline working memory, the drug showed no effect.
The researchers also observed that fampridine increased brain excitability in all participants, thus enabling faster processing of stimuli.