نتایج جستجو برای: reward processes
تعداد نتایج: 554393 فیلتر نتایج به سال:
We introduce a notion of real-valued reward testing for probabilistic processes by extending the traditional nonnegative-reward testing with negative rewards. In this richer testing framework, the may and must preorders turn out to be inverses. We show that for convergent processes with finitely many states and transitions, but not in the presence of divergence, the real-reward must-testing pre...
In this review, we explore how reward signals shape perceptual learning in animals and humans. Perceptual learning is the well-established phenomenon by which extensive practice elicits selective improvement in one's perceptual discrimination of basic visual features, such as oriented lines or moving stimuli. While perceptual learning has long been thought to rely on 'top-down' processes, such ...
BACKGROUND Psychological processes in bipolar disorder are of both clinical and theoretical importance. AIMS To examine depressogenic psychological processes and reward responsivity in relation to different mood episodes (mania, depression, remission) and bipolar symptomatology. METHOD One hundred and seven individuals with bipolar disorder (34 in a manic/hypomanic or mixed affective state;...
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