• Automated analysis of free speech predicts psychosis onset in high-risk youths 

      Bedi, Gillinder; Carrillo, Facundo; Cecchi, Guillermo A.; Fernández Slezak, Diego; Sigman, Mariano; Mota, Natália B.; Ribeiro, Sidarta; Javitt, Daniel C.; Copelli, Mauro; Corcoran, Cheryl M. (2015-08-26)
      BACKGROUND/OBJECTIVES: Psychiatry lacks the objective clinical tests routinely used in other specializations. Novel computerized methods to characterize complex behaviors such as speech could be used to identify and predict ...
    • Imagetic and affective measures of memory reverberation diverge at sleep onset in association with theta rhythm 

      Sigman, Mariano; Bezerra Mota, Natália; Soares, Ernesto; Altszyler, Edgar; Sánchez-Gendriz, Ignacio; Muto, Vincenzo; Heib, Dominik; Slezak, Diego F.; Copelli, Mauro; Schabus, Manuel; Ribeiro, Sidarta (Elsevier Inc, 2022)
      The ‘day residue’ - the presence of waking memories into dreams - is a century-old concept that remains controver- sial in neuroscience. Even at the psychological level, it remains unclear how waking imagery cedes into ...