Long-term memory test could aid earlier Alzheimer's diagnosis. Scientists say testing memory over a long timescale reveals early deficits in the brain’s ability to remember. These are not detected by checks for short-term forgetfulness, which is the current practice for diagnosis.

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Long-term memory test could aid earlier Alzheimer's diagnosis. Scientists say testing memory over a long timescale reveals early deficits in the brain’s ability to remember. These are not detected by checks for short-term forgetfulness, which is the current practice for diagnosis.