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Browsing University of Hertfordshire by Author "Morein-Zamir, Sharon"
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Avoid jumping to conclusions under uncertainty in Obsessive Compulsive Disorder
Morein-Zamir, Sharon; Shahper, Sonia; Gasull-Camos, Julia; Fineberg, Naomi; Robbins, Trevor (2020-01-15)High levels of intolerance of uncertainty (IU) could contribute to abnormal decision making in uncertain situations. Patients with Obsessive Compulsive Disorder (OCD) often report high IU, indecisiveness and the need to ... -
Disruption in the balance between goal-directed behavior and habit learning in obsessive-compulsive disorder
Gillan, Claire M.; Papmeyer, Martina; Morein-Zamir, Sharon; Sahakian, Barbara J.; Fineberg, Naomi; Robbins, Trevor W.; de Wit, Sanne (2011-07)Objective: Obsessive-compulsive disorder (OCD) is characterized by repetitive, ritualistic behaviors and thought patterns. Although patients with OCD report that these compulsive behaviors are unproductive and often ... -
Free operant observing in humans : A translational approach to compulsive certainty seeking
Morein-Zamir, Sharon; Shahper, Sonia; Fineberg, Naomi; Eisele, Verena; Eagle, Dawn M.; Urcelay, Gonzalo; Robbins, Trevor W. (2018-10-01)Excessive checking is reported in non-clinical populations and is a pervasive symptom in obsessive compulsive disorder (OCD). We implemented a free-operant task in humans, previously used in rats, wherein participants can ... -
Investigation of attentional bias in obsessive compulsive disorder with and without depression in visual search
Morein-Zamir, Sharon; Papmeyer, Martina; Durieux, Alice; Fineberg, Naomi A.; Sahakian, Barbara J.; Robbins, Trevor W. (2013-11-08)Whether Obsessive Compulsive Disorder (OCD) is associated with an increased attentional bias to emotive stimuli remains controversial. Additionally, it is unclear whether comorbid depression modulates abnormal emotional ...