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Direct linkStough, Con; Camfield, David; Kure, Christina; Tarasuik, Joanne; Downey, Luke; Lloyd, Jenny; Zangara, Andrea; Scholey, Andrew; Reynolds, Josh – Intelligence, 2011
Cognitive enhancing substances such as amphetamine and modafinil have become popular in recent years to improve acute cognitive performance particularly in environments in which enhanced cognition or intelligence is required. Nutraceutical nootropics, which are natural substances that have the ability to bring about acute or chronic changes in…
Descriptors: Intelligence, Intervention, Cognitive Processes, Drug Therapy
Dodonova, Yulia A.; Dodonov, Yury S. – Intelligence, 2012
The relationships between processing speed, intelligence, and school achievement were analyzed on a sample of 184 Russian 16-year-old students. Two speeded tasks required the discrimination of simple geometrical shapes and the recognition of the presented meaningless figures. Raven's Advanced Progressive Matrices and the verbal subtests of…
Descriptors: Cognitive Processes, Intelligence, Academic Achievement, Adolescents
Fox, Mark C.; Roring, Roy W.; Mitchum, Ainsley L. – Intelligence, 2009
Elementary cognitive tasks (ECTs) are simple tasks involving basic cognitive processes for which speed of performance typically correlates with IQ. Inspection time (IT) has the strongest IQ correlations and is considered critical evidence for neural speed underlying individual differences in intelligence. However, results from Bors et al. [Bors,…
Descriptors: Intelligence, Intelligence Quotient, Cognitive Processes, Correlation
Peer reviewedDeShon, Richard P.; And Others – Intelligence, 1995
The verbal overshadowing paradigm was used with 167 undergraduates to determine whether performance across all items on Raven's Advanced Progressive Matrices was dependent on the same cognitive processes. Results clearly indicated that a subset of items was dependent on visuospatial processes, while another subset required verbal-analytic…
Descriptors: Cognitive Processes, Higher Education, Intelligence, Intelligence Tests
