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Overman, William; Pierce, Allison; Watterson, Lucas; Coleman, Jennifer K. – International Journal of Behavioral Development, 2013
Two hundred and twenty two children (104 females), 1-8 years of age and young adults, were tested for up to 25 days on five versions of a non-verbal, non-navigational landmark task that had previously been used for monkeys. In monkeys, performance on this task is severely impaired following damage to the parietal cortex. For the basic task, the…
Descriptors: Children, Young Adults, Spatial Ability, Proximity
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Zekveld, Adriana A.; Deijen, Jan Berend; Goverts, S. Theo; Kramer, Sophia E. – Journal of Speech, Language, and Hearing Research, 2007
Purpose: This study investigated the relationship between hearing loss and memory and attention when nonverbal, visually presented cognitive tests are used. Method: Hearing loss (pure-tone audiometry) and IQ were measured in 30 participants with mild to severe hearing loss. Participants performed cognitive tests of pattern recognition memory,…
Descriptors: Cognitive Tests, Pattern Recognition, Nonverbal Tests, Intelligence Quotient
Ackerman, Philip L. – College Entrance Examination Board, 1998
This report reviews a theoretically inspired empirical investigation of individual differences in knowledge, abilities, and nonability traits as part of an ongoing effort to better understand adult intellectual development and to develop more accurate measures of adult intelligence. Twenty Knowledge Scales were constructed, drawing on…
Descriptors: Cognitive Structures, Adult Development, Intellectual Development, Individual Differences