Intensive Auditory Cognitive Training Improves Verbal Memory in Adolescents and Young Adults at Clinical High Risk for Psychosis

Rachel Loewy, Melissa Fisher, Danielle A. Schlosser, Bruno Biagianti, Barbara Stuart, Daniel H. Mathalon, Sophia Vinogradov

Research output: Contribution to journalArticlepeer-review

79 Scopus citations


Objective: Individuals at clinical high risk (CHR) for psychosis demonstrate cognitive impairments that predict later psychotic transition and real-world functioning. Cognitive training has shown benefits in schizophrenia, but has not yet been adequately tested in the CHR population. Methods: In this double-blind randomized controlled trial, CHR individuals (N = 83) were given laptop computers and trained at home on 40 hours of auditory processing-based exercises designed to target verbal learning and memory operations, or on computer games (CG). Participants were assessed with neurocognitive tests based on the Measurement and Treatment Research to Improve Cognition in Schizophrenia initiative (MATRICS) battery and rated on symptoms and functioning. Groups were compared before and after training using a mixed-effects model with restricted maximum likelihood estimation, given the high study attrition rate (42%). Results: Participants in the targeted cognitive training group showed a significant improvement in Verbal Memory compared to CG participants (effect size = 0.61). Positive and Total symptoms improved in both groups over time. Conclusions: CHR individuals showed patterns of training-induced cognitive improvement in verbal memory consistent with prior observations in schizophrenia. This is a particularly vulnerable domain in individuals at-risk for psychosis that predicts later functioning and psychotic transition. Ongoing follow-up of this cohort will assess the durability of training effects in CHR individuals, as well as the potential impact on symptoms and functioning over time. Clinical Trials Number: NCT00655239. URL:

Original languageEnglish (US)
Pages (from-to)S118-S126
JournalSchizophrenia bulletin
StatePublished - Jul 1 2016

Bibliographical note

Publisher Copyright:
© 2016 Published by Oxford University Press on behalf of the Maryland Psychiatric Research Center 2016.


  • cognitive remediation
  • prodrome
  • schizophrenia


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