Newborn mice form memories of their mothers that last a lifetime

Review written by Amy Ciceu (2024) & Adelaide Minerva (PNI, G2)

As youngsters, we develop memories of and connections to our parents, who nurture us throughout not only our childhoods but also much of our lives. These memories and relationships play vital roles in teaching us how to navigate the world. Do other animals form similar memories? A recent study published by the Gould Lab in Princeton’s departments of Psychology and Neuroscience discovered that mouse pups form memories of their maternal caregivers within days of birth and that these memories endure as the pups age into adulthood. 

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Adult neurogenesis' role in social memory function

Review written by Renee Waters (PSY, G2)

Have you ever wondered how you can recognize a familiar friend in a busy environment? Or maybe how you remember a person you’ve seen just once? Social memory is the ability to recognize familiar others and is an essential function across species, not only for safety but also to maintain stable structures in complex and dynamic social networks. Social memory is involved in hierarchy formation, and defense, as well as mate, offspring, and interspecies recognition. A region of the brain called the hippocampus has long been pinpointed for its role in learning and memory generally; however, great strides have been taken recently to understand its role in social memory more specifically. 

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