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Petrill, S. A., Luo, D., Thompson, L. A., & Detterman, D. K. (2001). Inspection time and the relationship among elementary cognitive tasks, general intelligence, and specific cognitive abilities. Intelligence, 29, 487-496. doi:10.1016/S0160-2896(01)00074-5

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• TITLE: Do Auditory Temporal Discrimination Tasks Measure Temporal Resolution of the CNS?

  AUTHORS: Ian T. Zajac, Nicholas R. Burns

  KEYWORDS: Temporal Discrimination, Working Memory, Intelligence, Auditory Reaction Time

  JOURNAL NAME: Psychology, Vol.2 No.7, October 27, 2011

  ABSTRACT: Rammsayer & Brandler (2002) have proposed that auditory temporal discrimination tasks provide a measure of temporal resolution of the CNS which is argued to be partly responsible for higher order cognitive functioning. We report on two studies designed to elicit the nature of the functions underpinning these auditory tasks. Study 1 assessed whether temporal generalisation (TG) might be better considered as a measure of working memory rather than of temporal resolution of the CNS. In N = 66 undergraduates TG did not predict speed of processing tasks; however, there was evidence of a relationship between TG and working memory. Study 2 reanalyzed pre- viously published data on temporal discrimination tasks and showed that the relationship between auditory tem- poral tasks and intelligence reflects memory functions and processing speed. Auditory temporal discrimination tasks are confounded by speed and memory and should not be considered as measures of temporal resolution of the CNS.