Dysfunctions of cerebral networks precede recognition memory deficits in early Parkinson's disease. - Naroa Ibarretxe-Bilbao; Mojtaba Zarei; Carme Junque; Maria Jose Marti; Barbara Segura; Pere Vendrell; Francesc Valldeoriola; Núria Bargalló; Eduardo Tolosa (NeuroImage, 2011)