Hippocampus volume
Brain and nerve healthThe hippocampus is crucial for memory formation and spatial navigation.
Atrophy of the hippocampus is a hallmark of Alzheimer's disease and can also occur in other forms of dementia. It is associated with memory loss and disorientation.
Why this matters
Your hippocampi are your brain's memory centers. Shrinkage first affects ability to form new memories while preserving old ones - forgetting recent conversations but remembering childhood clearly. Progressive loss causes disorientation in familiar places, difficulty learning new information, and problems navigating. Hippocampal atrophy is often the earliest sign of Alzheimer's disease.
Symptoms include repeatedly asking the same questions, misplacing items, getting lost in familiar areas, and difficulty following directions.
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