Hidden Brain Layers Revealed in Key Memory Center
Scientists have identified a previously unseen layered organization inside one of the brain’s most important memory hubs. The CA1 region of the hippocampus was found to contain four distinct bands of neuron types, each defined by unique genetic signatures that shift subtly across the structure. This hidden architecture explains why different parts of CA1 support different behaviors such as memory, navigation, and emotion. The discovery also offers a new framework for understanding why specific neurons are more vulnerable in conditions like Alzheimer’s disease and epilepsy. ….[READ]
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