Are you Forgetful?

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You’ve put your keys somewhere and now they appear to be nowhere, certainly not in the basket by the door they’re supposed to go in and now you’re 20 minutes late for work. Kitchen counter, night stand, book shelf, work bag: Wait, finally, there they are under the mail you brought in last night.

Losing things is irritating and yet we are a forgetful people. The average person misplaces up to nine items a day, and one-third of respondents in a poll said they spend an average of 15 minutes each day searching for items—cellphones, keys and paperwork top the list, according to an online survey of 3,000 people published in 2012 by a British insurance company.

Everyday forgetfulness isn’t a sign of a more serious medical condition like Alzheimer’s or dementia. And while it can worsen with age, minor memory lapses are the norm for all ages, researchers say….

That breakdown can occur in two spots: when we fail to activate our memory and encode what we’re doing—where we put down our keys or glasses—or when we try to retrieve the memory. When you encode a memory, the hippocampus, a central part of the brain involved in memory function, takes a snapshot which is preserved in a set of neurons, says Kenneth Norman, a psychology professor at Princeton University. Those neurons can be activated later with a reminder or cue.

It is important to pay attention when you put down an item, or during encoding. If your state of mind at retrieval is different than it was during encoding, that could pose a problem. Case in point: You were starving when you walked into the house and deposited your keys. When you then go to look for them later, you’re no longer hungry so the memory may be harder to access.