Researchers describe biological mechanism that allows sleep to build relational memories -- associations between unrelated items. Relational memory is the ability to remember arbitrary or indirect ...

Hand holding a paper sheet with human head icon broken into pieces over a crowded street background. Concept of memory loss and dementia disease. Alzheimer's losing brain and memory function. This ...

Relational memory is the ability to remember arbitrary or indirect associations between objects, people or events, such as names with faces, where you left your car keys and whether you turned off the ...