Distinct alterations in probabilistic reversal learning across at-risk mental state, first episode psychosis and persistent schizophrenia by Griffin, JD, Diederen, KMJ, Haarsma, J, Jarratt Barnham, IC, Cook, BRH, Fernandez-Egea, E, Williamson, S, van Sprang, ED, Gaillard, R, Vinckier, F, Goodyer, IM, Murray, GK, Fletcher, PC