Perseveration
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Recent papers in Perseveration
The Kettemann Corpus of German Speech Errors is shown in Nora Wiedenmann's Error-Type Categorization, here with English comments, together with statistical overviews of different error types of the speakers Bernhard Kettemann and Ilse... more
Reversal learning has been studied as the process of learning to inhibit previously rewarded actions. Deficits in reversal learning have been seen after manipulations of dopamine and lesions of the orbitofrontal cortex. However, reversal... more
Neglect patients typically show motor perseveration while canceling targets on the ipsilesional side. This behavior can be influenced by the presence vs. absence of targets on the (neglected) contralesional side (Bottini & Toraldo, 2003).... more
Changes in emotional health are common both as part of typical aging and for individuals with mild cognitive impairment (MCI) and Alzheimer's disease (AD). Thus, there is a critical need to identify differences in emotional... more
Neglect of contralesional stimuli and perseverative behavior on ipsilesional stimuli may co-occur on a target cancellation task. Our aim was to investigate whether the presence vs. absence of contralesional targets can modify... more
Despite recent interest in the brain/mind problem and possible organic correlates of mental disease, relatively few case studies have examined the problem concretely. The present paper describes a 66-year-old male patient with a long... more
Neglect patients’ performance during cancellation tasks is characterized by left sided omissions and, in many cases, by the production of inappropriate material of various kinds in the ipsilesional space, e.g. additional marks over... more