Greater cognitive reserve is related to lower cortical excitability in healthy cognitive aging, but not in early clinical Alzheimer’s disease oleh Stephanie S. Buss, Stephanie S. Buss, Peter J. Fried, Peter J. Fried, Joanna Macone, Joanna Macone, Victor Zeng, Emma Zingg, Emma Zingg, Emiliano Santarnecchi, Emiliano Santarnecchi, Emiliano Santarnecchi, Alvaro Pascual-Leone, Alvaro Pascual-Leone, David Bartrés-Faz, David Bartrés-Faz, David Bartrés-Faz