Aging Brains Blend Memories Together Instead of Just Forgetting Them, Study Finds
Memory accuracy for pairing faces with objects and scenes dropped sharply after young adulthood, with middle-aged and older adults scoring similarly to each other rather than declining in a steady line. Brain activity patterns that helped younger adults remember accurately were linked, in older adults, to more mix-up errors that crossed between entirely different categories of items, such as mistaking a scene for an object. Neither brain shrinkage nor attention differences fully explained why older adults’ brains showed this shift toward blended, less precise memories. …[READ]
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