By Carrot or by Stick: Cognitive Reinforcement Learning in Parkinsonism
نویسندگان
چکیده
منابع مشابه
Learning in Parkinsonism By Carrot or by Stick : Cognitive Reinforcement
www.sciencemag.org (this information is current as of October 8, 2009 ): The following resources related to this article are available online at http://www.sciencemag.org/cgi/content/full/306/5703/1940 version of this article at: including high-resolution figures, can be found in the online Updated information and services, http://www.sciencemag.org/cgi/content/full/1102941/DC1 can be found at:...
متن کاملBy carrot or by stick: cognitive reinforcement learning in parkinsonism.
To what extent do we learn from the positive versus negative outcomes of our decisions? The neuromodulator dopamine plays a key role in these reinforcement learning processes. Patients with Parkinson's disease, who have depleted dopamine in the basal ganglia, are impaired in tasks that require learning from trial and error. Here, we show, using two cognitive procedural learning tasks, that Park...
متن کاملBy Carrot or by Stick: Cognitive Reinforcement Learning in Parkinsonism Supporting Online Material
Procedures were approved by the HealthONE Institutional Review Board and the University of Colorado Human Research Committee. We tested 30 PD patients and 19 healthy seniors matched for age, education, and scores on the North American Adult Reading Test (NAART), an estimate of premorbid verbal IQ (1). The demographics of seniors and PD patients are shown in Table 1. PD patients were recruited f...
متن کاملThe Carrot or the Stick: Rewards, Punishments, and Cooperation
Many institutional arrangements suggest that punishments and rewards each play a separate role in providing incentives. In New York City’s recent negotiations with its teacher’s union, for instance, the city sought a contract that would strengthen school principals’ ability to assign teachers to be cafeteria monitors, in part because this allows them to punish underperforming teachers. The cont...
متن کاملObservational Learning by Reinforcement Learning
Observational learning is a type of learning that occurs as a function of observing, retaining and possibly replicating or imitating the behaviour of another agent. It is a core mechanism appearing in various instances of social learning and has been found to be employed in several intelligent species, including humans. In this paper, we investigate to what extent the explicit modelling of othe...
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ژورنال
عنوان ژورنال: Science
سال: 2004
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.1102941