Failure to differentiate bipolar disorder from schizophrenia on measures of neuropsychological function
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Cognitive abilities and clinical variables in bipolar I depressed and euthymic patients and controls
2011, Journal of Psychiatric ResearchCitation Excerpt :One longitudinal study showed very little decline in neuropsychological performance over six years of treatment (Engelsmann et al., 1988). Hoff et al. (1990) found that the use of lithium negatively predicted performance on verbal subtests as well as on speeded tests, regardless of the patient’s diagnosis (bipolar or schizophrenic). Lund et al. (1982) examined the long-term effects of lithium treatment and found chronic bipolar patients (stabilized on lithium) to be in the low average range on functions of attention and memory, based on population norms.
Neuropsychological Functioning in Adolescent Children of Mothers with a History of Bipolar or Major Depressive Disorders
2006, Biological PsychiatryCitation Excerpt :More research is needed to clarify the neuropsychological and neurophysiological functioning that is associated with different aspects of the disease process (Leibenluft et al 2003). Despite the emerging evidence that deficits in executive functioning and related processes may be associated with those diagnosed with or at risk for BPD, these same deficits are linked with other psychiatric disorders, including ADHD (Barkley et al 1992) and schizophrenia (Hoff et al 1990). Within the context of this study, some specificity of a deficit neurocognitive profile for BPD was found.
Cognitive functioning in patients with schizophrenia and bipolar disorder: A quantitative review
2005, Schizophrenia ResearchCitation Excerpt :Some authors have claimed that remitted patients with bipolar disorder perform notably better than stable patients with schizophrenia (Goldberg, 1999; Quraishi and Frangou, 2002) and that the cognitive profile in bipolar disorder is characterized by selective rather than generalized deficits (e.g., in the area of visual processing) (Goldberg, 1999; Green et al., 1994). Others have emphasized the similarities, stating that in both disorders the cognitive profile is characterized by a relatively generalized pattern of deficits, even though quantitative differences may exist (Hoff et al., 1990; Krabbendam et al., 2000; Martinez-Aran et al., 2004). Any overlap in cognitive impairment in bipolar disorder and schizophrenia would be in line with many other findings.
Psychometric properties of the web-based work-readiness cognitive screen used as a neuropsychological assessment tool for schizophrenia
2005, Computer Methods and Programs in Biomedicine