Objective Negative symptoms are currently viewed as having a 2-dimensional structure,
with factors reflecting diminished expression (EXP) and motivation and pleasure (MAP). …

Negative symptoms can be grouped into the two dimensions of diminished expression and
apathy, which have been shown to be dissociable regarding external validators, such as …

Striatal abnormalities play a crucial role in the pathophysiology of schizophrenia. Growing
evidence suggests an association between aberrant striatal activity during reward anticipation …

Theoretical principles of information processing and empirical findings suggest that to
efficiently represent all possible rewards in the natural environment, reward-sensitive neurons …

One aspect of goal-directed behavior, which is known to be impaired in patients with schizophrenia
(SZ), is balancing between exploiting a familiar choice with known reward value and …

The negative symptoms of schizophrenia have been associated with altered neural activity
during both reward processing and cognitive processing. Even though increasing evidence …

Negative symptoms in schizophrenia have been suggested to map onto two distinct factors
– amotivation and diminished expression. Only recently, two-factor solutions for measuring …

Negative symptoms in schizophrenia are conceptualised as loading onto two factors: amotivation
and diminished expression, which relate to different behavioural and neural markers. …

Negative symptoms in schizophrenia have been linked to selective reinforcement learning
deficits in the context of gains combined with intact loss-avoidance learning. Fundamental …

Background: Striatal dysfunction has been proposed as a pathomechanism for negative
symptoms in schizophrenia. There is consensus that negative symptoms can be grouped into 2 …