This article describes a standardized administration and scoring procedure for the widely used Corsi Block-Tapping Task, designed to assess the visual memory span. This method was applied in a group of healthy participants (n = 70) and a group of…
Intelligence Testing
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698 papers
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In three experiments, differences in EEG alpha activity between gifted (mean IQ = 137) and average (mean IQ = 105) individuals were investigated. EEG activity was monitored over 16 scalp locations. A fast Fourier transform was performed on 15…
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Recently, several studies have reported negative associations between brain activity under cognitive load and psychometric intelligence. The position emission tomography (PET) used in these studies allows a high spatial resolution, but it does not…
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Recent Positron Emission (PET) and EEG studies suggest that higher ability in a cognitive task is associated with a more efficient neuronal processing of this task. However, the validity and generalizability of these studies is limited for several…
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The new functional neuroimaging techniques, PET and functional MRI (fMRI), offer sufficient experimental flexibility and spatial resolution to explore the functional neuroanatomical bases of different memory stages and processes. They have had a…
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In the field of physiological study of human intelligence, strong evidence of a more efficient operation (i.e., less activation) of the brain in brighter individuals (the neural efficiency hypothesis) can be found. Most studies in this field have…
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The capacity to deliberately control attention in order to hold and manipulate information in working memory is critical to higher cognitive functions. This suggests that between-subject differences in general cognitive ability might be related to…
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This study investigated differences in EEG between gifted individuals (mean IQ = 132) and average individuals (mean IQ = 101) in resting conditions and while solving different tasks. Gifted and average students solved tasks representing processing…
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In this study, some executive function measures (Wisconsin Card Sorting Test WCST, verbal fluency, and Trial Making Test TMT, Form A and Form B) were correlated with Wechsler Intelligence Scale for Children-Revised (WISC-R) scores. Fifty 13- to…
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Three studies, all on student populations, looked at the relationship between a recently psychometrised measure of General Knowledge Irwing, P., Cammock, T., & Lynn, R. (2001). Some evidence for the existence of a general factor of semantic memory…
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Universal positive correlations between different cognitive tests motivate the concept of "general intelligence" or Spearman's g. Here the neural basis for g is investigated by means of positron emission tomography. Spatial, verbal, and…
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Starting from the well-established finding that brighter individuals display a more efficient brain function when performing cognitive tasks (i.e., neural efficiency), we investigated the relationship between intelligence and cortical activation in…
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The theoretical framework presented in this article explains expert performance as the end result of individuals' prolonged efforts to improve performance while negotiating motivational and external constraints. In most domains of expertise,…
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The purpose of the present study is to explain variation in academic achievement with general cognitive ability and specific cognitive abilities. Grade point average, Wide Range Achievement Test III scores, and SAT scores represented academic…
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This study examined the relationships among short-term memory (STM), working memory (WM), and general intelligence (g). Two independent samples of participants performed several verbal, quantitative, and spatial STM and WM tasks, as well as a broad…
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Apresentam-se algumas considerações preliminares para uma abordagem cognitiva da doutrina psicológica presente na obra de Freud. Analisam-se as teorias freudianas da representação, do pensamento e da linguagem, com a finalidade de mostrar a coerên-…
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OBJECTIVES: To demonstrate the ability of the Screen for Cognitive Impairment in Psychiatry (SCIP-S) to discriminate between cognitively-impaired individuals and those with adequate functioning in a sample of schizophrenic and bipolar patients, as…
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