10/31/2023 0 Comments New neurons are formed in the brainIt suggests that in middle age about 300 fewer neurons per cubic millimetre are made in the dentate gyrus with each advancing year. The gradual reduction in new brain cells appeared to go hand-in-hand with the cognitive decline that comes with old age. It is a part of the hippocampus which plays a central role in learning, memory, mood and emotion. The new cells were born in the part of the brain called the dentate gyrus. Between the ages of 40 and 70, the number of fresh neurons spotted in the part of the brain studied fell from about 40,000 to 30,000 per cubic millimetre. María Llorens-Martín, a neuroscientist at the Autonomous University of Madrid and the senior scientist on the study, found while the healthy brains contained newborn neurons, the number declined steadily with age.
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