A review of reward processing and motivational impairment in schizophrenia
This article reviews and synthesizes research on reward processing in schizophrenia, which
has begun to provide important insights into the cognitive and neural mechanisms …
has begun to provide important insights into the cognitive and neural mechanisms …
A transdiagnostic review of negative symptom phenomenology and etiology
GP Strauss, AS Cohen - Schizophrenia bulletin, 2017 - academic.oup.com
In the DSM5, negative symptoms are 1 of the 5 core dimensions of psychopathology
evaluated for schizophrenia. However, negative symptoms are not pathognomonic—they …
evaluated for schizophrenia. However, negative symptoms are not pathognomonic—they …
How much of reinforcement learning is working memory, not reinforcement learning? A behavioral, computational, and neurogenetic analysis
AGE Collins, MJ Frank - European Journal of Neuroscience, 2012 - Wiley Online Library
Instrumental learning involves corticostriatal circuitry and the dopaminergic system. This
system is typically modeled in the reinforcement learning (RL) framework by incrementally …
system is typically modeled in the reinforcement learning (RL) framework by incrementally …
Mechanisms underlying motivational deficits in psychopathology: similarities and differences in depression and schizophrenia
Motivational and hedonic impairments are core aspects of a variety of types of
psychopathology. These impairments cut across diagnostic categories and may be critical to …
psychopathology. These impairments cut across diagnostic categories and may be critical to …
[HTML][HTML] Striatal dysfunction during reversal learning in unmedicated schizophrenia patients
Subjects with schizophrenia are impaired at reinforcement-driven reversal learning from as
early as their first episode. The neurobiological basis of this deficit is unknown. We obtained …
early as their first episode. The neurobiological basis of this deficit is unknown. We obtained …
[HTML][HTML] The prediction-error hypothesis of schizophrenia: new data point to circuit-specific changes in dopamine activity
Schizophrenia is a severe psychiatric disorder affecting 21 million people worldwide. People
with schizophrenia suffer from symptoms including psychosis and delusions, apathy …
with schizophrenia suffer from symptoms including psychosis and delusions, apathy …
Interactions among working memory, reinforcement learning, and effort in value-based choice: A new paradigm and selective deficits in schizophrenia
Background When studying learning, researchers directly observe only the participants'
choices, which are often assumed to arise from a unitary learning process. However, a …
choices, which are often assumed to arise from a unitary learning process. However, a …
Decision-making in schizophrenia: A predictive-coding perspective
Dysfunctional decision-making has been implicated in the positive and negative symptoms
of schizophrenia. Decision-making can be conceptualized within the framework of …
of schizophrenia. Decision-making can be conceptualized within the framework of …
The neural underpinnings of cognitive flexibility and their disruption in psychotic illness
JA Waltz - Neuroscience, 2017 - Elsevier
Schizophrenia (SZ) has long been associated with a variety of cognitive deficits, including
reduced cognitive flexibility. More recent findings, however, point to tremendous inter …
reduced cognitive flexibility. More recent findings, however, point to tremendous inter …
Predictive processing, source monitoring, and psychosis
JD Griffin, PC Fletcher - Annual review of clinical psychology, 2017 - annualreviews.org
A comprehensive understanding of psychosis requires models that link multiple levels of
explanation: the neurobiological, the cognitive, the subjective, and the social. Until we can …
explanation: the neurobiological, the cognitive, the subjective, and the social. Until we can …