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The existence of small numbers of schizophrenia patients with superior ability in specific cognitive domains is implied by meta-analytic evidence as well as by occasional empirical reports. The authors identified 25 patients with superior (i.e., > or =90th percentile) ability on the Vocabulary subtest of the Wechsler Adult Intelligence Scale 3rd edition(More)
Competence in self-administration of a drug regimen is related to both treatment adherence and functional outcome. Previous research with middle-aged and older schizophrenia patients suggests a central role for cognitive performance in predicting this competence. We examined the relative and joint contributions of demographic, clinical and cognitive(More)
This study sought to objectify the distinction between schizophrenia and schizoaffective disorder in terms of standard tasks measuring verbal and non-verbal cognitive ability, auditory working memory, verbal declarative memory and visual processing speed. Research participants included 103 outpatients with a diagnosis of schizophrenia, 48 with(More)
Cognitive performance rather than symptoms, especially positive symptoms, is regarded as the primary predictor of functional outcome in schizophrenia. However, contradictory evidence exists and many studies fail to sample from the extremes of outcome measures. This study tested whether the differential importance assigned to symptoms and cognitive(More)
Measures of functional competence have been introduced to supplement standard cognitive and neuropsychological evaluations in schizophrenia research and practice. Functional competence comprises skills and abilities that are more relevant to daily life and community adjustment. However, it is unclear whether relevance translates into significantly enhanced(More)
This study describes the experience of people with chronic pain. Using the method of grounded theory, 29 chronic pain sufferers were interviewed at an outpatient pain clinic. A model depicting the basic social psychological process of maintaining a normal life through constraint was developed. This process revolved around people's perception of the(More)
The incidence of skin cancer has risen rapidly in the UK over the last 20 years, prompting public health organizations to try and raise awareness of the dangers of sun exposure and the need to practice sun-safe behaviour. This study aimed to assess baseline levels of sun-safe knowledge and behaviour in a British population-representative sample, prior to(More)
The purpose of this investigation was to identify patients with cognitively impaired, cognitively normal and verbal memory-impaired subtypes of schizophrenia and to examine their clinical and functional validity as distinct forms of the disorder. These subtypes occurred in 73 of 154 patients meeting DSM-IV criteria for schizophrenia or schizoaffective(More)
It has been well established that neurocognitive deficits are a core feature in schizophrenia and predict difficulties in functional independence. However, few studies have assessed the longitudinal stability of cognition and key aspects of functional outcome concurrently. Even less attention has been directed at the contingency of cognitive change on real(More)
OBJECTIVE The main purpose of this investigation was to identify patterns of intellectual performance in schizophrenia patients suggesting preserved, deteriorated, and premorbidly impaired ability, and to determine clinical, cognitive, and functional correlates of these patterns. METHOD We assessed 101 patients with schizophrenia or schizoaffective(More)