| Summary: | Background: Cognitive impairment is a core feature at all stages of the psychotic illness and significantly predicts functional outcomes. Targeting cognition early is theoretically attractive as a means to reverse the functional impairment before it is fully realized and thus improve the long-term outcome and quality of life of patients with psychotic disorders. Cognitive remediation is an effective treatment of cognitive deficits in schizophrenia, but generalization to everyday functioning remains a challenge. Interventions, such as strategy training combined with computerized training, and socialcognitive training have shown promise in bridging the gap between cognitive gains and functional outcomes. However, relatively little is known about the effects of integrated neuro- and social-cognitive remediation in early psychosis and what may aid in implementing these interventions into standard care for early psychosis. Objectives: The overall aim of this thesis was to assess and treat the neuroand social-cognitive impairment among individuals seeking treatment at an early intervention in psychosis (EIP) service in Iceland. In addition, to examine implementation outcomes of the intervention with regards to attendance, fidelity and acceptability. The specific aims of the first study were to investigate the nature of neuro- and social-cognitive impairment and explore the relationship between social cognition and neurocognition, clinical symptoms, and functional outcome. In addition, we sought to investigate the role of neuro- and social-cognitive domains in predicting variance in informant-reported and self-reported functional outcomes. the specific aims of the second study were to evaluate the effects of a novel integrative neuroand social-cognitive remediation on cognition, clinical symptoms and functional outcome. The specific aims of the third study were to evaluate the long-term effects of the intervention on cognition, clinical symptoms, and functional outcomes. Method: All patients between the ages of 18 and ...
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