Inclusion Criteria:  Meet Clinical High Risk (CHR) criteria on the Structured Interview for Psychosis Risk Syndromes, defined by the presence of at least one attenuated positive symptom at a moderate to severe level A score representing 0.5 SD below the mean on Animal Naming, Trails A or BACS: Symbol Coding from the MATRICS Consensus Cognitive Battery (MCCB).  Exclusion Criteria:  Any DSM 5 Schizophrenia-Spectrum diagnosis Non-English speaking Past or current history of a clinically significant central nervous system disorder (e.g., seizure disorder) Estimated IQ<70 Significant head injury Significant substance abuse Significant visual or auditory impairment.